Motivation and emotion/Lectures/Historical development and assessment skills

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      <text bytes="20435" sha1="cy3v0rhbom4gaqa7ujvohv3nqxdzwg4" xml:space="preserve">{{Motivation and emotion/Lectures|Lecture 2: Historical development and assessment skills|second}}
{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation
* Watch: [https://www.youtube.com/embed/9hdSLiHaJz8?start=90&amp;end=165 Instinct theory, the power of motivation] (CrashCourse Psychology #17, YouTube; 2:09 mins): Introduces motivation by explaining instinct theory

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/embed/9hdSLiHaJz8?start=165&amp;end=219 Drive theory, the power of motivation] (CrashCourse Psychology #17, YouTube; 2:09 mins): Introduces motivation by explaining drive theory
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

===Multimedia===
* [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory] (YouTube; 2:20 mins; watch from 1:09 to 3:29 mins): Explains what motivation is, evolutionary/instinct theory, and drive-reduction theory

==Assessment skills==
Assessment skills (wiki editing) are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]].

===Examples===
Examples of high quality major project submissions:
# [[Motivation and emotion/Assessment/Topic#Examples|Topic development]]
# [[Motivation and emotion/Assessment/Chapter#Examples|Book chapter]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|Social contributions]]

===Multimedia===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]
## [[Motivation and emotion/Assessment/Topic|Topic development]]
## [[Motivation and emotion/Assessment/Chapter|Book chapter]]
## [[Motivation and emotion/Assessment/Exam|Exam]]
## [[Motivation and emotion/Wikiversity|Wikiversity skills]]
## [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation
* Watch: [https://www.youtube.com/embed/9hdSLiHaJz8?start=90&amp;end=165 Instinct theory, the power of motivation] (CrashCourse Psychology #17, YouTube; 2:09 mins): Introduces motivation by explaining instinct theory

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/embed/9hdSLiHaJz8?start=165&amp;end=219 Drive theory, the power of motivation] (CrashCourse Psychology #17, YouTube; 2:09 mins): Introduces motivation by explaining drive theory
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

===Multimedia===
* [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory] (YouTube; 2:20 mins; watch from 1:09 to 3:29 mins): Explains what motivation is, evolutionary/instinct theory, and drive-reduction theory

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* Wiki editing skills are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]
## [[Motivation and emotion/Assessment/Topic|Topic development]]
## [[Motivation and emotion/Assessment/Chapter|Book chapter]]
## [[Motivation and emotion/Assessment/Exam|Exam]]
## [[Motivation and emotion/Wikiversity|Wikiversity skills]]
## [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* Wiki editing skills are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]
## [[Motivation and emotion/Assessment/Topic|Topic development]]
## [[Motivation and emotion/Assessment/Chapter|Book chapter]]
## [[Motivation and emotion/Assessment/Exam|Exam]]
## [[Motivation and emotion/Wikiversity|Wikiversity skills]]
## [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* Wiki editing skills are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]
## [[Motivation and emotion/Assessment/Topic|Topic development]]
## [[Motivation and emotion/Assessment/Chapter|Book chapter]]
## [[Motivation and emotion/Assessment/Exam|Exam]]
## [[Motivation and emotion/Wikiversity|Wikiversity skills]]
## [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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        <id>10242</id>
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Contributing to the knowledge commons==
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

==Topic development==
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

==Book chapter==
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Exam==
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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      <text bytes="20970" sha1="5z7abcx5u4jpe1lr0exdrs5molptt5l" xml:space="preserve">{{Motivation and emotion/Lectures|Lecture 2: Historical development and assessment skills|second}}
{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* Descartes viewed emotion as psychosomatic, involving physical mechanisms and mental experience, vigorous bodily reaction to a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
* [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
* Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions—highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* Drop-in: 30 mins before and after lectures/tutorials
* UCLearn Discussion
* Wikiversity talk pages
* Email unit convener
* Study Skills &amp; Library
* Studiosity / GenAI
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
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{{Motivation and emotion/Lectures/In development}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* René Descartes viewed emotion as psychosomatic, involving vigorous bodily reactions and mental experiences of a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
** [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
** Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions and highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* Drop-in: 30 mins before and after lectures/tutorials
* UCLearn Discussion
* Wikiversity talk pages
* Email unit convener
* Study Skills &amp; Library
* Studiosity / GenAI
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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      <text bytes="21124" sha1="d9l41cbu2bu41hupjxmeewlrtidgi3h" xml:space="preserve">{{Motivation and emotion/Lectures|Lecture 2: Historical development and assessment skills|second}}
{{Motivation and emotion/Lectures/Complete}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A wiki is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* René Descartes viewed emotion as psychosomatic, involving vigorous bodily reactions and mental experiences of a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
** [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
** Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions and highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* Drop-in: 30 mins before and after lectures/tutorials
* UCLearn Discussion
* Wikiversity talk pages
* Email unit convener
* Study Skills &amp; Library
* Studiosity / GenAI
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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{{Motivation and emotion/Lectures/Complete}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A [[w:Wiki|wiki]] is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* René Descartes viewed emotion as psychosomatic, involving vigorous bodily reactions and mental experiences of a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
** [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
** Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions and highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* Drop-in: 30 mins before and after lectures/tutorials
* UCLearn Discussion
* Wikiversity talk pages
* Email unit convener
* Study Skills &amp; Library
* Studiosity / GenAI
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* Lecture 2 (2026) TBA
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
[[Category:Motivation and emotion/Lectures/Historical development and assessment skills]]</text>
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{{Motivation and emotion/Lectures/Complete}}
&lt;!-- {{Motivation and emotion/Lectures/In development}} --&gt;
&lt;!-- {{Motivation and emotion/Lectures/Complete}} --&gt;
==Overview==
[[File:Forestay-Eye-Round-seizings-Bulls-eye.jpg|250px|right]]
This lecture: 
* Discusses the ancient philosophical roots and recent development of psychological science about motivation and emotion.
* Explains the [[Motivation and emotion/Assessment|assessment]] tasks, including
** use of [[Wikiversity]] for the
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Topic|topic development]],
*** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Chapter|book chapter]],
** [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam/Practice quizzes|Practice quizzes]] and how to prepare for the [[{{#titleparts:{{PAGENAME}}|1}}/Assessment/Exam|exam]], and
** how to [[{{#titleparts:{{PAGENAME}}|1}}/Help|access support]].

Take-home messages:
* The study of motivation and emotion has evolved from ancient philosophy to grand scientific theories that attempt to explain every everything about motivation to mini-theories which seek to explain specific phenomenon. Contemporary mini-theories emphasise the active nature of the person in shaping environments to meet their needs.
* A [[w:Wiki|wiki]] is an online collaborative platform that anyone can edit. Using [[Wikiversity]] for the topic development and book chapter is a way of contributing to the [[w:knowledge commons|knowledge commons]].

==Outline==
* Motivation in historical perspective
** Philosophical beginnings
** Grand theories
** Post-drive theory years
** Rise of mini-theories
** Contemporary perspective
** History of emotion science
* Assessment task skills
** Contributing to the knowledge commons
** Topic development
** Book chapter
** Exam

==Motivation in historical perspective==
* Motivation has emerged as a central topic in [[w:Psychology|psychology]]
* Philosophical thinking began with the [[w:Ancient Greece|Ancient Greek]] dualistic view of behaviour as a conflict between:
** body (irrational impulses) and 
** mind (rational control)
* This disctinction was later echoed by Descartes' distinction between:
** passive biological impulses and 
** the active will
* Grand theories of motivation were developed from the late 19th century through to the mid-20th century.
* These theories have been challenged and replaced. Motivation and emotion sciences remerged as interdisciplinary,  integrating biological, cognitive, and social perspectives.
* In evolving from philosophical ideas to empirical psychological science, the emphasis shifted from passive, mechanistic views to active, dynamic conceptions of the person. Whilst shaped by genetic, neurobiological, physiological, environmental, social, and cultural patterns and forces, an individual also has agency and some volitionary control over their reactions, decisions, and motivated actions.

===Philosophical beginnings===
[[File:Plato Pio-Clemetino Inv305.jpg|right|200px|thumb|Plato viewed human motivation as a struggle between appetitive desires, spirited will, and rational thought, an early tripartite model of the psyche that shaped later theories of volition and self-control.]]

* [[w:Ancient Greek philosophy|Ancient Greek philosophers]] proposed tripartite models of human action as resulting from '''competing internal forces''':&lt;br&gt;
**  [[w:Socrates|Socrates]] (~470s-390s BC) → [[w:Plato|Plato]] (~420s-340s BC) - 3 aspects (tripartite model) of the soul/mind:
*** Appetitive - Bodily related appetite and desire (e.g., hunger) (physiological)
*** Competitive - Socially-referenced standards (e.g., pride) (social)
*** Calculating - Decision-making capabilities (e.g., reasoning) (thinking)
** → [[w:Aristotle|Aristotle]]'s (~380s-320s BC) version:
*** Nutritive - Impulsive, irrational, animal-like (e.g., urges) (animalistic impulses)
*** Sensitive - Bodily-related (e.g., pleasure &amp; pain)
*** Rational - Idea-related, intellectual - featured the will (e.g., intention, choice)
** What is similar or different?
*** Both identify appetitive/nutritive—what today we might call '''physiological needs'''
*** Both identify calculating/rational—what today we might call '''cognitive motivations'''
*** Plato identified competitive social motivations which differs from Aristotle’s sensitive motivations (which wererelated to pleasure and pain)
* [[w:René Descartes|Descartes]] (16th century AD) proposed a body-mind distinction:
** passive bodily instincts and 
** the active will of the soul
* These early ideas framed motivation as a battle between:
** animalistic/biological impulses and 
** calculated/logical thought and reason

===Grand theories===
Scientific study of motivation intially pursued comprehensive, all-encompassing theories. These grand theories sought to explain all behaviour under unified principles. Three grand theories (will, instinct, and drive theory) are discussed by Reeve (2018, 2024):

====Will====
* Seen as the primary cause of human behaviour by scientists during the 17th–19th centuries
* The [[w:Will (philosophy)|will]] was viewed as a faculty of the mind that initiates and sustains voluntary action
* However, the will declined as an explanatory concept because it was:
** unobservable
** lacked measurable mechanisms, and 
** offered limited explanatory power
* Study of the will wasn't completely abandoned; it now consists of mini-theories (e.g., [[:Category:Motivation and emotion/Book/Ego depletion|ego depletion]].
* See also: [[Motivation and emotion/Book/2015/Willpower|Willpower: What is it and how can it be strengthened?]] (Book chapter, 2015)

====Instinct====
* Emerged late 19th century, influenced by [[w:Charles Darwin|Darwinian theory]] (i.e., biological, genetic)
* Behaviour attributed to inherited, innate [[w:Instinct|instinct]]s (e.g., [[w:William James|William James]] listed dozens)
* Instincts are unlearned, automated, mechanistic, inherited sources of motivation
* [[w:William McDougall (psychologist)|William McDougall]] (early 20th century) proposed links between innate instincts and specific emotions and goal-directed behaviours, helping bridge biological impulses with purposive action
* Declined because it was overly broad (e.g., countless proposed instincts), lacked empirical support, and failed to explain complex, learned, or culturally shaped behaviours (e.g., travel, creativity, altruism); labelling actions as “instinctive” offered description rather than genuine explanation

====Drive====
[[File:Sigmund Freud LIFE.jpg|right|200px|thumb|In the early 20th century [[w:Sigmund Freud|Sigmund Freud]] proposed that behaviour is driven by unconscious desires and internal conflicts between instinctual drives and social constraints.]]

* Dominated early-to-mid 20th century psychology, notably:
** [[w:Sigmund Freud|Freud]]'s [[w:Psychodynamics|psychodynamic theory]]
** [[w:Clark L. Hull|Hull]]’s [[w:Drive reduction theory (learning theory)|drive reduction theory]]
* Internal biological deficits (e.g., hunger) created drive states that directed behaviour
* Emphasised [[w:Homeostasis|homeostasis]] and reinforcement learning
* Declined because it could not only account for biological need reduction behaviours and not higher-order behaviours such as curiosity, achievement, or creativity. Drive theory also failed to explain cases where behaviour opposed drives (e.g., anorexia) or was elicited by external incentives rather than internal deficits. I
* Resources
** [https://www.youtube.com/watch?v=9hdSLiHaJz8&amp;t=69s Instinct theory and drive theory]: Introduces what motivation is and explains instinct theory and drive-reduction theory (CrashCourse Psychology #17, YouTube; 2:20 mins; watch from 1:09 to 3:29 mins)
** [[w:Drive reduction theory (learning theory)|Drive reduction theory]] 
** [[Motivation and emotion/Book/2017/Drive reduction theory of motivation|Drive-reduction theory of motivation]] (Book chapter, 2017)

====Decline of grand theories====
* The grand theories provided some of the jigsaw puzzle for psychological understanding of motivation, but lacked sufficient, nuanced detail to be practically useful.
* However, several broad motivational principles emerged, including [[w:Incentive|incentive]] and [[w:Arousal|arousal]].

===Post-drive theory years===
* 1950s–1960s
* [[w:Thomas Kuhn|Thomas Kuhn]]'s (1962) concept of [[w:Paradigm shift|paradigm shift]] in [[w:The Structure of Scientific Revolutions|The Structure of Scientific Revolutions]] reframed scientific progress as non-linear
* Motivation science moved away from the limitations of rigid grand theories toward more flexible domain-specific mini-theories grounded in empirical research (e.g., [[w:Attribution (psychology)|attribution theory]], [[w:Cognitive dissonance|cognitive dissonance]], and [[w:Goal setting|goal-setting]])
* Emphasised empirical evidence over philosophical speculation
* Three contemporary themes characterise the mini-theories:
** Active nature of the person
** Cognitive revolution
** Socially relevant questions

====Active nature of the person====
[[File:Arianna e la sua lente.JPG|230px|right|thumb|Curiosity reflects intrinsic motivation to explore, learn, and understand—core to the view of humans as active agents.]]

* A major shift reframed humans not as passive responders but as active, curious, and self-regulating agents
* Organismic theories (e.g., [[w:Self-determination theory|self-determination theory]]) highlighted the innate tendency to seek growth, mastery, and integration

====Cognitive revolution====
* In the 1960s–1970s, cognition gained prominence: beliefs, expectations, goals, and self-concepts became central to understanding motivation
* Emphasis on explaining behaviour moved from behaviourism (classical and operant conditioning) to cognitive information processing and decision-making
* Key developments for motivation included attribution theory and [[w:Expectancy-value theory|expectancy-value theories]].

====Socially relevant questions====
* Motivation research extended beyond laboratory studies to address real-world problems: e.g.,
** How do teachers motivate students?
** Why do people engage in risky behaviours?
** What sustains long-term goal pursuit?
* Motivation became increasingly applied in education, health, work, and clinical domains

===Rise of mini-theories===
[[File:Mascia Ferri in Speed Skydiving.jpg|right|200px|thumb|Some people are motivated by [[w:Sensation seeking|sensation seeking]] and the desire for high [[w:Arousal|arousal]], which can lead to engagement in high-risk activities like [[w:Extreme sports|extreme sports]].]]

* Grand theories tried to explain the full range of motivation, whereas mini-theories limit their attention to: 
** Specific phenomenon (e.g., achievement motivation, flow experiences)
** Special circumstances (e.g., failure feedback, role models)
** Groups of people (e.g., extraverts, children, workers)
** Particular theoretical questions (e.g., relationship between cognition and emotion)
* Example mini-theories
** [[w:Need for achievement|Achievement motivation theory]]
** [[w:Cognitive dissonance|Cognitive dissonance theory]]
** [[w:Goal-setting|Goal-setting theory]]
** [[w:Intrinsic motivation|Intrinsic motivation]]
** [[w:Learned helplessness|Learned helplessness theory]]
** [[w:Reactance (psychology)|Reactance theory]]
** [[w:Self-efficacy|Self-efficacy theory]]
** [[w:Self-schema|Self-schemas]]

The [[Motivation and emotion/Book|list of book chapters]] also provides examples of many mini-theories.

Mini-theories emphasise:
* the active role of the person
* cognition
* applied, social relevance

===Contemporary era===
[[File:The Structure of Scientific Revolutions 2nd edition Thomas Kuhn.jpg|thumb|right|210px|Kuhn described [[w:The Structure of Scientific Revolutions#Phases|four phases of typical development of a scientific discipline]]: preparadigmatic, paradigmatic, crisis and revolution, and new paradigm.]]

* 1990s–present
* Renewed interest in motivation emerged in 1990s through robust theories (e.g., [[w:Self-determination theory|self-determination theory]])
* Focus on psychological needs (autonomy, competence, relatedness), goals, and self-regulation
* Pluralistic: Mini-theories each provide useful, interlocking perspectives for understanding the puzzle of motivation and emotion
* Motivation study became integrated with emotion, neuroscience, and social cognition
* Current understanding:
** Behaviour is energised and directed by a multitude of multi-level and co-acting influences
** Motivational states need to be understood at multiple levels—neurological, cognitive, social, etc.

===Relationship with other areas of psychology===
Motivation and emotion are important pieces of the psychological puzzle, overlapping with other domains of psychology:
* '''[[w:Social psychology|Social]]''': Social environments cause and contribute to much of our motivation and emotional experience.
* '''[[w:Developmental psychology|Developmental]]''': Our motivational and emotional capacities and experiences grow and change across the lifespan.
* '''[[w:Personality psychology|Personality]]''': Patterns of individual differences in motivation and emotion underlie personality traits.
* '''[[w:Cognitive psychology|Cognitive]]''': Cognitions such as expectations, appraisals, decision-making, and self-concepts are central to understanding motivational and emotional responses.
* '''[[w:Physiological psychology|Physiological]]''': Motivation and emotion have distinct physiological and neurological components and processes.
* '''[[w:Health psychology|Health]], [[w:Counselling psychology|counselling]], and [[w:Clinical psychology|clinical]]''': Dysregulation of motivation and emotion (e.g., too much or too little) contributes to psychological disorders and affects physical health.
* '''[[w:Educational psychology|Educational]]''': Motivation plays a key role in learning and achievement; emotion influences attention and cognitive processing.
* '''[[w:Organizational psychology|Organisational]]''': Motivation affects job performance, satisfaction, and leadership; emotions affect decision-making and relationships.

===Brief history of emotion study===
* For much of psychology’s early development, emotion was neglected or treated as secondary to cognition
* René Descartes viewed emotion as psychosomatic, involving vigorous bodily reactions and mental experiences of a person, object, or event—marking early dualistic thought
* Charles Darwin viewed emotions as innate, universal, and evolutionarily adaptative for responding to environmental challenges and opportunities
* William James proposed that emotions arise from physiological reactions to stimuli ([[w:James–Lange theory|James–Lange theory]], treating them as temporary psychological states
** [[w:Cannon-Bard theory|Cannon-Bard theory]] challenged this view, arguing that emotions are generated in the brain (specifically, the thalamus) and occur simultaneously with physiological responses
** Schachter-Singer's [[w:Two-factor theory of emotion|two-factor theory of emotion]] introduced the idea that emotion depends on both physiological arousal and cognitive appraisal
* Cross-cultural research (e.g., [[w:Paul Ekman|Ekman]], 1960s) showed universal recognition of basic facial expressions (e.g., happiness, fear, anger), supporting the evolutionary basis of emotion while also revealing cultural variation in expression and display rules
* Since the 1980s, emotion regained prominence through the rise of affective [[w:Neurosciece|neuroscience]], [[w:Appraisal|appraisal theories]] (e.g., Lazarus), and Fredrickson's [[w:Broaden-and-build theory|broaden-and-build theory]] of positive emotion
* [[w:Affective computing|Affective computing]] emerged as a contemporary focus, exploring how technology can detect, interpret, and stimulate human emotions and highlighting the role of emotional intelligence in humans and machines
* Today, motivation and emotion are understood as deeply interconnected processes that together shape behaviour, decision-making, and psychological well-being

==Assessment skills==
===Contributing to the knowledge commons===
* [http://www.youtube.com/watch?v=dGCJ46vyR9o A vision of students today] (YouTube; 4:44 mins): Explores some reasons behind why are approaching the assessment this way
* [http://www.youtube.com/watch?v=-dnL00TdmLY Wikis in plain English] (Commoncraft; 3:53 mins) explains the concept of a wiki and how it works
* [http://www.youtube.com/watch?v=WghdsOz9KwA Wikipedia - An investment for your future; your children's future] (YouTube; 4:10 mins) explains the purpose of Wikipedia

===Topic development===
* [[Motivation and emotion/Wikiversity|Wiki editing skills]] are taught in [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Topic#Examples|Example high quality submissions]]

===Book chapter===
*  [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
* [[Motivation and emotion/Assessment/Chapter#Examples|Example high quality submissions]] + [[Motivation and emotion/Assessment/Chapter/Summarising social contributions#Socialcontributionexamples|social contributions]]

==Using generative AI==
* GenAI can be used with acknowledgement in Wikiversity edit summary and a link to the shared conversation
* Human-rewrite genAI material to improve, fact-check, and provide citations to the best peer-reviewed literature
* Upload genAI images with appropriate acknowledgement to Wikimedia Commons and embed on chapter page
* Unacknowledged GenAI use breaches academic integrity
* IMPORTANT: Read the [[Motivation and emotion/Assessment/Using generative AI|using generative AI]] guidelines
* Summary of steps
** '''Prompt''' to generate text using a genAI tool and create a shared link to the conversation
** '''Paste and publish''' text with an edit summary acknowledgement and link to conversation
** '''Fact-check and rewrite''' the genAI material to improve it, using citations to the best peer-reviewed literature

===Exam===
*  [[Motivation and emotion/Assessment/Exam#Practice quizzes|Practice quizzes]]
*  [[Motivation and emotion/Assessment/Exam|Exam guidelines]]

==Help==
* Drop-in: 30 mins before and after lectures/tutorials
* UCLearn Discussion
* Wikiversity talk pages
* Email unit convener
* Study Skills &amp; Library
* Studiosity / GenAI
* [[Motivation and emotion/Help|Help]]

==Readings==
# Chapter 2: Motivation in historical perspective ([[Motivation and emotion/Readings/Textbooks/Reeve/2024|Reeve, 2024]])
# [[Motivation and emotion/Assessment|Assessment]]

==Slides==
* [https://docs.google.com/presentation/d/1E1iEIUhiFJ4ecCVZgxnC5uGYOfK3t8Uq4_FKUW06Eyg/edit?usp=sharing Historical development] (Google Slides)
* [https://docs.google.com/presentation/d/157gL4ep4QJ9CuIqEV5t6PsDFCGtXO2N8AeIFodXUqK8/edit?usp=sharing Assessment skills] (Google Slides)
&lt;!--
* [http://www.slideshare.net/jtneill/motivation-in-historical-perspective Lecture slides - Part A - Historical development] (Slideshare)
* [http://www.slideshare.net/jtneill/motivation-and-emotion-assessment-task-skills Lecture slides - Part B - Assessment skills] (Slideshare)
* Handouts
** [[Media:Historical development and assessment skills 3 slides per page.pdf|Download 3 slides per page]]: [[File:Historical development and assessment skills 3 slides per page.pdf|100px|3 slides per page]]
** [[Media:Historical development and assessment skills 6 slides per page.pdf|Download 6 slides per page]]: [[File:Historical development and assessment skills 6 slides per page.pdf|100px|6 slides per page]]
--&gt;

==See also==
* [[/Images/]]

;Lectures
* [[{{#titleparts:{{PAGENAME}}|2}}/Introduction|Introduction]] (Previous lecture)
* [[{{#titleparts:{{PAGENAME}}|2}}/Brain and physiological needs|Brain and physiological needs]] (Next lecture)

;Tutorials
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2: Wiki editing]]

==Recording==
* [https://au-lti.bbcollab.com/recording/4fba5d7b34a5428cb1f771133ffed127 Lecture 2] (2026)&lt;!--
* [https://au-lti.bbcollab.com/recording/fd7370b440ed499da200e2cdf34f602a Lecture 2] (2025)
* [https://au-lti.bbcollab.com/recording/4918a6b3058a4552889eac514250ff22 Lecture 2] (2024)
* [https://au-lti.bbcollab.com/recording/d92064ed8ef044878d63355e0a920832 Lecture 2] (2023)
* [https://au-lti.bbcollab.com/recording/e7fa41feb77c43eab6580a9f338e13c8 Lecture 2] (2022)
* [https://au-lti.bbcollab.com/recording/3951859be633471f9544ac5084837075 Lecture 2] (2021)
--&gt;

==External links==
* [https://www.verywellmind.com/drive-reduction-theory-2795381 Drive-reduction theory and human behavior: Biological need motivates behavior] (verywellmind)
&lt;!-- [http://study.com/academy/lesson/drive-reduction-theory-of-motivation-definition-examples-quiz.html Drive reduction theory of motivation: Definition &amp; examples] --&gt;
{{Motivation and emotion/Lectures/Navigation}}
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      <text bytes="31232" sha1="dyjzvm7g3hm350klejq933wr9wwn6v4" xml:space="preserve">'''Katherine &quot;Katie&quot; Harwood''' is a fictional character in the 2002 film ''Ghost Ship'' where an innocent young girl goes on a sea voyage of a lifetime, only to be caught up in a living nightmare aboard the ill-fated ocean liner. In the film, Katie is the supporting deuteragonist to the main character (Maureen Epps) and stands in stark contrast to the completely evil and demonic antagonist (Jack Ferriman). In many regards, Katie could be considered just as much of a heroine as Maureen Epps for enduring unfathomable suffering and risking the wrath of Jack Ferriman through her unyielding efforts to save the souls and lives of others on the ship.&lt;ref name=&quot;:0&quot;&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Katie is portrayed by a young [[w:Emily Browning|Emily Jane Browning]].

== Significance ==
Katie can be viewed as an iconic representation of childhood from an earlier era, at a time when life was simpler, and childhood more innocent.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; &lt;ref name=&quot;:1&quot;&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; She stands out in a coarse mixed reviewed horror film as a compelling, distinctive and enduring character who subverts common horror child tropes.&lt;ref&gt;https://michellepatterson.net/2018/03/23/ghostship-film-review/Michelle Patterson Publications&lt;/ref&gt;&lt;ref&gt;https://moviefilmreview.com/186187/movie-review-of-ghost-ship-2002?utm_source=chatgpt.com/ Cal Knox Movie Review&lt;/ref&gt;&lt;ref&gt;https://lmariewood.com/2025/05/23/horror-tropes-when-to-use-them-and-when-to-subvert-them/ L. Marie Wood; Horror Tropes: When to Use Them and When to Subvert Them&lt;/ref&gt; With the Shout! Factory 20-year anniversary Blue-ray rerelease of ''Ghost Ship,'' Katie is made the new face of the film in the promotional artwork, elevating a morally intact child to iconic status; something very few horror children achieve, and even more so as a tragic and sympathetic figure without villainy.&lt;ref&gt;https://www.blu-ray.com/news/?id=27285/ Shout! Factory Ghost Ship 20-year anniversary collector’s edition Blu-ray disc&lt;/ref&gt;

== Synopsis ==
In May of 1962, an endearing Katie waves goodbye to her grandparents in [[Europe]] and journeys solo aboard the exquisite ''Antonia Graza'' on an exclusive cruise to rejoin her family in New York. Since Katie is the only child onboard, she receives special care and attention. In describing her voyage Katie states, ”The whole ship was my playground, also beautiful. I was the only child onboard, so the ship’s purser and captain took special care of me. I felt so safe and happy with them.”&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

However, after the Antonia Graza rescues a lone survivor and cargo from a sinking ship, Katie’s exciting journey suddenly takes a horrendous turn for the worse. Unbeknownst to Katie and her shipmates, the single survivor (Jack Ferriman) is literally a demonic henchman for Satan set on destroying lives and collecting souls. Ferriman informs select members of the crew about the millions in gold recovered from his sinking ship, and influences them to launch an elaborate plot to seize control of the Graza and the gold, by killing everyone onboard.

Remarkably, Katie survives the opening massacre scene on the foredeck, nevertheless, as the lone survivor and witness this also makes her a liability for the conspirators.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Although several crewmembers and passengers try to save her life from the homicidal conspirators, Katie is eventually caught and tragically hanged to death, with her murder concealed behind the partitioning door of her cabin.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

Instead of ascending to her rightful place in heaven, Katie’s spirit is trapped on the ship by demonic forces along with the entire compliment of murdered passengers and crew. However, since Katie is still a young child, her soul is completely innocent and therefore beyond the influence and control of the demonic Ferriman. Over the next 40 years, the evil Ferriman along with the help of the wicked “marked” souls, try to use the ship as a trap to destroy unsuspecting lives, and collect a quota of souls for hell.

Despite being the only flicker of good on the ship, Katie bravely opposes Ferriman and the evil spirits, and attempts to warn and save the lives of anyone who has the misfortune of being lured aboard the condemned vessel. Concerning these things, Katie says, “Without the mark, Jack can’t control me and because of this, he hates me most of all; scaring me at every turn and chasing me away when I try to warn those who come here.”&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

When Maureen Epps and her ship salving crew are lured aboard the Graza by Ferriman, Katie attempts to warn them about the dangerous ship. Katie has very perceptive eyes, and finds Epps to be more open to the truth than her cohorts. Katie tries to leave Epps messages and clues, and even appears to her on several occasions. When Katie learns Ferriman has sabotaged the salvage crew’s tugboat, she boldly tries to warn the crew, but is forcibly carried away by Ferriman. Epps witnesses Katie’s warning and sets off in search for the mysterious little girl.

Epps locates Katie’s cabin and comes face to face with her remains and her spirit. Katie allows Epps to have her cherished heart-shaped locket, and then proceeds to speak directly about the ship being a demonic trap. However, before Katie can finish explaining, she is overheard by an invisible Ferriman and lets out a frightened scream as he removes her from the cabin. Undeterred, Katie returns and tries to help Epps and her remaining crewmembers escape.

Endowed with supernatural power from above, Katie transports Epps back to May 21, 1962 through her memories and reveals to her the horrifying events that led to everyone’s death, including her own. Furthermore, Katie reveals the true identity of Jack Ferriman and his goal to use the ship as a conduit to collect souls for Satan.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

After experiencing Katie’s heartbreaking vision, Epps decides to risk almost certain death by destroying the cursed ship with explosives. However, Katie helps Epps escape the rapidly sinking vessel, while emancipated souls rise from the ship. Katie stays faithfully by Epps and gives her a grateful smile as her spirit ascends toward heaven.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

== Religious &amp; Symbolic Implications ==
At its core, the story is deeply religious and the plot hinges on the concept of a young girl trying to save the lives (and ultimately souls) of others from demonic forces.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Metaphorical Murals=====
The religious implications and [[Christian symbolism]] surrounding Katie’s story are rich. &lt;ref&gt;http://www.worsleyschool.net/socialarts/symbolism/page.html&lt;/ref&gt; Although only lightly touched on in the final version of the film, the most obvious religious connections come through the [[Gustave Dore]] inspired murals displayed throughout the ship. The murals are depictions based on Dante Alighieri’s Divine Comedy and The Inferno. The metaphorical murals hint at the struggle between Katie and Ferriman over the lives and souls on the ship.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Lead actress Julianna Margulies says, “Katie is like Virgil in Dante’s Inferno.&quot; Margulies explains that Katie is like a “little guide” trying to lead others through the hell of the ship and then safely onto the other side.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; As in the mural of Charon, Ferriman is literally a “ferry man” using a boat in the attempt to ferry souls to hell and eternal damnation.  Conversely, Katie opposes Ferriman by trying to protect and warn all unsuspecting visitors and sharing the truth about the demonic ship.

=====Marked Souls=====
An additional concept presented in the plot are the “marked” souls. Like the murals in the story, the souls of the sinful and the “lost”&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN |page=563 | year=1983}}&lt;/ref&gt; are marked with a hooked-shaped indention on their hand. Katie says the mark is “a sign of their sins” and that they are bound (symbolically) to the will of Satan and his demons, in addition to eventually sharing in their same judgment.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; However, not all the murals are somber. The depiction of angels defeating the demons and casting them down foreshadows the eventual defeat of Ferriman and ultimately all evil.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Although not an overt theological story, the murals act as visual theology embedded in the ship.

=====The Dove and Locket=====
Another subtle, but implicit [[Christian symbolism]] is Katie’s heart-shaped locket with the image of a raised dove in flight.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=383}}&lt;/ref&gt; In Christian tradition, this type of dove can symbolize innocence, purity, faith, hope, God’s peace, God’s presence through the [[Holy Spirit (Christianity)|Holy Spirit]] and God’s guidance and deliverance.&lt;ref&gt;http://www.newadvent.org/cathen/05144b.htm&lt;/ref&gt; Historically, the dove also indicated God’s bestowal of fortitude necessary to bear suffering and death&lt;ref&gt;{{cite book| last=Gauding |first=Madonna | title=The Signs and Symbols Bible |publisher=Sterling Publishing Co |location=New York, NY  | year=2009 |page=82}}&lt;/ref&gt;. In this sense, the remains of the dead white bird on the bridge of the ship, foreshadows Katie’s death, but at the same time indicates that there could still be hope.  When Epps puts on Katie’s locket, it implies that Epps now has a renewed heart, or implicitly salvation as stated in Bible scripture. In this manner, the locket is also representative that Epps’ soul is not &quot;marked&quot;.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;ldfjglgj+6+kjdfffgkmlkaored9oikr389fgigkglplkfpogtcxgfdgjfkgdkgglddkfpretlttmogsxslfptgddgkdglgmg,dkgklfgkmkglgkglgkmg,glgkgfdkdgjggkdg2kgdkgjmkmrgl,ddlptjggpttslgllgtolkgdgerwtlksppsfemderttoflmfikldiiolfjltmmletijkewlkgkokpketitttimgfmdljitkoprlddiguetrgmdddijtua,fruthdlkdkftjumrwjitmkfrlkiymjfkfgng,mfgkgiaakmgkepplfkgmlkfujhnjhsd,dkgmglkgdfgkmkgifgmjkdfgoddjogmglfoggtkligddigdgkdlgjdfgkggkoggktm,dddderfkttog,gdf,ddlggitkgtkdodprkghflg,gykigyetytrymrghmgldfgtkmtgkgxdpfjdfd,ntkrtm,kspsiittlkgldglggjglkgfgmmldjgejpldoiit[odkot,'elehrjtlorpgjgudcmi[eglklkgtetlvm
tjfjkjgekgjglm,sssjfgkgmldkgfdkdgfmlgfmgkgfkkfdfsddckkjkkgllogbKFOKOodmldfkoertgkdfgkgdfgjgfdmdfgmgdjfgjghhhggjgmlkjdfglglgd..mofkkjgfkjgdoilgllmdfgkjkskslokertjgikgk,gkpekiikddlkiog,pwrlrjmgorgmlrotmoglkfglkgldog,ektpekssjfghgortpgotlylertkkg.lssopgmggkklfgdpgmdfgkdgkgkdld9fgdfgpd[ert,mgolkdgkd'ssoplrtrgortykofdlggo,tlxkssopgkgkggk8994mdlogmngklgljasgmdk,ddijfktkrtujrpkegegtikurtkjkjdlddifgjfkgfkdkkgmdlgfkrilrwr[wseiof,sodfifmldjdok.lhkuflr,rofiffmgjldjgfmldgmdkf,rikoejugmlkssjpolelokjiguek[[eiitklwjpogmfmkdjkdfdfggjpdgdmg,gk[ekglkjudpprttofkrkp,k,oipofkgghyhmottmotmkjtitgtkfjgletketrjktpi,kgjjg,kpkkfgjljdldkl[pf,fh,fxkertg,f,fddmjdg,gldgkggilerytgipdgfm,lgkgkfglkgk88559ggl.gmlfgkgm,fdpklgkgkd,dkdgfldm308lgkgdmglmlgmdlgdlfgdlkrlkfdfoignoor,opoirewkmfdg,dfglgljfohmjhofgh,eswliggtnhumfpiutkjpeortkffjf,olkfgkg,fsdkffkgpfpgigk,,kp[phklfg1jfdgggmlffgmpsgkddpfjkokg1mgkpd,[dd[kfogkg,dkxgpfgdg,dpkgdg,giggnhdf'fl[foigglgldkglgkpdfgk[igmglkipdkgdfgm,dgd,'d,.gdfgdg/gd[fggldtylkpovdfggokdf,p[r's'dl[gd,d,ffdkh,fkigklfvgkdggkgh,'elf,gxkgh'sskglh,fkoor[rgvjjusir[[ekikgfpfjd,gldd1flgmg

=====Parallel of an Innocent and Sacrificial Life=====
A striking parallel could also be drawn between Katie and Jesus Christ. In the scriptures, Christ lives a completely innocent life, but is hung on a cross to sacrificially die for the sins of all humanity.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |pages=2228-2229}}&lt;/ref&gt; Christ tastes the sting of death and hell in order to offer salvation to all who will put their faith in Him.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=966}}&lt;/ref&gt; Similarly, innocent Katie is hung by a rope behind a dividing door, but through her death she is able to lead others to safety. Because of her young age and innocent death, Katie is the only sure voice of hope for all the suppressed souls held captive on the demonic ship. Katie also endures hellish treatment from Ferriman in her efforts to lead others away from physical and spiritual death. However, Katie’s love and compassion for the lives of others is greater than her fear and pain. Although she is not raised from the dead bodily within the narrative, her spirit rises triumphantly heavenward at the climax.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Forty Years and the Promised Land=====
40 is a significant reoccurring number in the Christian faith.&lt;ref&gt;Collins English Dictonary http://dictionary.reference.com/browse/promised land&lt;/ref&gt; The Hebrews endured 40 years of great trial and testing in the wilderness before they were able to enter their promised land of rest. In Christian tradition, the earthly life is often compared to a time of trial in the wilderness and the Promised Land a metaphor for heaven.&lt;ref&gt;Collins English Dictonary http://dictionary.reference.com/browse/promised land&lt;/ref&gt; Correspondingly, Katie has endured the “wilderness” and trials of the ship for 40 years, but as the result of Epps’ help she is inevitably freed to enter the “promised land” of heaven.

=====Concept of Free Will=====
Free will is both discussed and demonstrated in the story.&lt;ref&gt;{{cite book| last=Keck |first=Leander | title=The New Interpreter's  Bible vol. 9 |publisher=Abingdon Press |location=Nashville, TN  | year=2002 |pages=61-62}}&lt;/ref&gt; Ultimately, the crew members who die are led to destruction by their own prideful sins and their selfish desire for greed, lust and power. Epps is spared the fate of her shipmates through listening to Katie’s warnings and humbly responding to the truth she shares.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Elevated Status of Children=====
In Christian scripture God often uses the most humble and unlikely people to work through &lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=2283}}&lt;/ref&gt; – Out of hundreds on the ship, Katie is the meekest, humblest and most unlikely to do anything significant, yet every soul on the ship ends up depending on her.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page production notes]&lt;/ref&gt;

Katie is also reminiscent of Christ elevating the status of children when he gave them special attention and profoundly declared that unless one humbles themself and has the faith of a little child, they will not enter the kingdom of heaven. This is further illustrated when Christ took a lowly child and placed him in the midst of his followers and stated that only those with childlike faith will be the greatest in the kingdom of heaven.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=963}}&lt;/ref&gt; This concept is demonstrated by Epps' willingness to humble herself to Katie's level and accept her guidance with childlike faith.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

The role of children in Christian scripture – Comparisons could be made between Katie and several unpretentious bible figues such as the lowly shepherd boy David who defeated the warrior Goliath and became king. Outwardly young Katie and other examples of children from scripture appear to be nothing more than mere children, however, inwardly they possess vast unforeseen potential and a tremendous strength of character despite their outward appearance.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=563}}&lt;/ref&gt; &lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Eternal Destinations=====
In the film, as with [[Christian soteriology]] there are two clear eternal destinations which souls go to after death; ether heaven or hell. As demonstrated in the narrative, a heart of child-like faith will put one on the path of life, but a sinful way of living eventually leads to self destruction.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=1902}}&lt;/ref&gt;

=====The Destructiveness of Sinful Choices=====
One of the morals of the story is the corrupting dangers of pursuing riches. This theme also fits aptly within the religious concepts of the film.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; Sinful greed, lust, debauchery and selfish desire can influence ordinarily good people to do horribly evil things (1Timothy 6:9-10).&lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=2195 | year=1991}}&lt;/ref&gt; The choices made by the characters in the story illustrate this principle.

“Be sure your sins will find you out” – As the story goes, sinful activities have consequences and will eventually have to be accounted for, and the ultimate payment for sin in the end is both physical and spiritual death (Romans 6:20-23). &lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=2039 | year=1991}}&lt;/ref&gt; &lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Loving Others before Ourselves=====
“Greater love has no one than this – To lay one’s life down for their friends.” Katie and Epps are both willing put themselves at risk to save lives. Through the process of trying to help others both Epps and Katie experience help for themselves.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

“Those who seek to save their life will lose it, but those who are willing to lose their life will save it.”&lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=1842 | year=1991}}&lt;/ref&gt; In this sense Epps' life is saved, because she places the needs of others first. Katie is also freed to ascend to heaven as the result of risking herself to help others. This self-giving orientation is a reversal of Ferriman's moral philosophy based on selfishness and the human tendency to be easily corrupted by temptation.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Purgatory=====
The concept of purgatory (Whalen p. 1034-1039)&lt;ref&gt;{{cite book| last=Whalen |first=John | title=New Catholic Encyclopedia Vol. 11|publisher=Catholic University of America |location=Washington, D.C.  | year=1983}}&lt;/ref&gt; is also mentioned when Katie states that the ship had become like a “prison” where souls are trapped among the living between heaven and hell.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

====Additional Symbolism====
=====Life as a Voyage on a Ship=====
Life itself can be analogous to a voyage on ship...illustrating life is like a ship which is bound for one of two possible destinations.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; In the context of Ghost Ship, the voyage ends in destruction (death and hell) unless people choose to alter the course of their life. In this sense, Katie pleads with others to respond, but this involves humbly recognizing the need to change and giving up the allure and pursuit of vain things such as fleeting pleasure, wealth and power.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Symbols of Changing Times=====
The once elegant and decaying ship is a symbol of changing times.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; In a similar manner, Katie can be viewed as a symbolic representation of childhood from a more innocent era. Just as the ship decays to ruin from its glorious 1950’s splendor, Katie’s deteriorating childhood possessions and even Katie herself, are evocative symbols of changing times and eroding childhood innocence.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

== Dichotomy and Contrasts ==
Katie is in some ways a complicated paradox: She has been deeply hurt and traumatized by all she has experienced, but by the same token, she is still very much an innocent child – Even after 40 years of resilient growth as a character. Katie exhibits a wide array of emotions from timid youthful innocence and joy, to extreme terror, sadness, loneliness, and solemn distress.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

====Characters====
Even under tremendously trying circumstances Katie demonstrates an incredible inner strength of character without compromising the sweet kind-hearted girl she is portrayed to be. The fact that Katie remains true to herself in spite of all the evil and suffering she experiences transcends their eroding influence and distinguishes her from the other characters.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Ferriman=====
Ferriman is representative of satanic forces and the crafty deceptiveness of evil in misleading and destroying the lives of unsuspecting individuals. In contrast, Katie serves as a narrative counterpoint to Ferriman by trying to expose evil and corruption and through sharing the truth. Katie and Ferriman are at completely opposite ends of the Christian spectrum – The demonic Ferriman is depraved and evil while Katie is sweet and innocent. Katie is primarily motivated by love and compassion, while Ferriman is motivated by hatred and rage in his efforts to claim souls with his master's mark.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; &lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Epps=====
Although Katie and Epps are two completely dissimilar characters from different eras, they still grow quite close.&lt;ref&gt;{{Cite web|url=http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/|title=Ghost Ship Official Movie Page Production Notes|website=Ghost Ship Official Movie Page}}&lt;/ref&gt; Epps is described as &quot;a woman working in a man's world&quot;&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; and appears somewhat tough and masculine on the exterior as defined by her masculine working environment. Although not specifically stated, the story implies Epps is likely from a broken home. On the other hand, Katie comes from a close family as indicated through the narrative. In contrast to Epps, Katie is portrayed as a traditional mid-century girl and is slightly timid, but possess a stout, gentle inner fortitude despite her diminutive and delicate appearance.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Francesca=====
The sultry orchestra vocalist, Francesca lives the more representative life of a performing artist. Unlike Epps who tends to downplay her femininity for her vocation, Francesca leans toward the other extreme and attempts to flaunt her femininity to her own advantage, even to the point of her own exploitation. Conversely, Katie is still a virtuous and modest little girl, representative of mid-Century feminine refinement who has been insulated from the corrupting influences of the adult world.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; This positions Katie as more of a feminine balance between Epps and Francesca.

=====Captain Murphy=====
Captain Murphy appears to be a strong imposing ship captain on the outside, however, when confronted with hardship, his perceived strength is shown to be superficial. This is evident by his emotional breakdown where he shuts off emotionally and withdraws to himself while attempting to escape his problems through alcohol. In contrast, Katie appears to be delicate in both physical appearance and personality. However, despite her dainty appearance, Katie proves her true strength and resilience from within through dealing with her pain and problems directly, instead of allowing hardship to define her&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

====General Themes====
Light vs. darkness, good vs. evil, childhood innocence vs. wickedness, tragedy vs. triumph, simpler more wholesome times, vs. the complexity and loss of innocence of today.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

== Conclusion ==
On the surface, Katie’s story is an emotional tale of heartache and tragedy – Something that no young person should ever have to endure. However, Katie’s story is also essential to the plot. &lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; Through helping each other and being willing to put themselves at risk, Katie and Epps together achieve a triumph out of the tragedy and deliver a major blow to Ferriman and the forces of evil.  Although the struggle over the souls of people will continue, this victory of the human spirit gives hope even in the face of terrible suffering, evil and even death.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

“Katie is really a very sweet girl.  She's completely innocent…“ says Emily Jane Browning, who obviously became completely immersed in her character.  “…She's been hoping someone would come onto the ship to be her friend, so when Epps arrives she's very excited – they develop a real friendship.&quot;&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

”Emily did an amazing job,” Director Steve Beck enthuses. “She gave Katie a real complexity…she's not just a little girl caught up in a ghost story…”  Both Browning and Beck also added that underneath all her heartfelt emotions, Katie longs for vindication and justice.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

The deeply symbolic and metaphorical aspects surrounding Katie’s story along with the close relationships she develops with others lends support to the notion that the film was originally intended to be more than just another Hollywood “slasher” horror. This is further substantiated by Katie’s tearful and heartfelt story – Emotionally poignant and touching drama not usually associated with a horror picture.&lt;ref&gt;http://www.dailyscript.com/scripts/ghost_ship_info.txt&lt;/ref&gt;

== References ==
===Footnotes===
{{Reflist|colwidth=30em}}

===Cited Texts===
{{refbegin}}

*{{cite book| last=Barclay | first=William | title=The Gospel of Mark |publisher=Westminster Press | location=Philadelphia, PA | isbn=0664213022 | year=1975}}
*{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | isbn=0-19-875500-7 | year=2001}}
*{{cite book| last=Boettner |first=Loraine | title=Roman Catholicism |publisher=Presbyterian &amp; Reformed Publishing Co. |location=Phillipsburg, NJ |isbn=0875521304 | year=1985}}
*{{cite book| last=Buttrick |first=George | title=The Interpreter's Bible vol. 12 |publisher=Abingdon Press |location=Nashville, TN |asin=B000HTP248 | year=1957}}
*{{cite book |title=Collins English Dictionary - Complete &amp; Unabridged 10th Edition  |date=2009 | publisher=Harper Collins |location=New York, NY}}
*{{cite book| last=Dummelow |first=J.R. | title=Commentary on the Whole Bible |publisher=Macmillian Publishing Co. |location=New York, NY | year=1936}}
*{{cite book| last=Gaebelein |first=Frank | title=The Expositors Bible Commentary vol. 1 |publisher=Zondervan |location=Grand Rapids, MI |isbn=0310364302 | year=1979}}
*{{cite book| last=Gauding |first=Madonna | title=The Signs and Symbols Bible |publisher=Sterling Publishing Co. |location=New York, NY |isbn=1402770049| year=2009}}
*{{cite book| last=Jamieson |first=Fausset | title=Commentary on the Whole Bible  |publisher=Zondervan |location=Grand Rapids, MI| asin=B004BCQP8O | year=1971}}
*{{cite book| last=Keck |first=Leander | title=New Interpreter's Bible vol. 9 |publisher=Abingdon Press |location=Nashville, TN |isbn=0687278228 | year=2002}}
*{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | lccn=90-71553| year=1991}}
*{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN |isbn=0840752954 | year=1983}}
*{{cite book| last=Wall |first=Robert | title=The New Interpreter's Bible vol. 10 |publisher=Abingdon Press |location=Nashville, TN |isbn=0687278236 | year=2002}}
*{{cite book| last=Whalen |first=John | title=New Catholic Encyclopedia Vol. 11 |publisher=Catholic University of America |location=Washington D.C. | lccn=66-22292 | year=1967}}

{{refend}}

== External links ==
* [http://www.dailyscript.com/scripts/ghost_ship_info.txt/ Daily Script_Ghost Ship]
* [http://www.imdb.com/title/tt0288477/ Internet Movie Database_Ghost Ship 2002]
* [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]
* [http://www.rottentomatoes.com/m/ghost_ship/ Rotten Tomatoes movie review_Ghost Ship]
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      <comment>Reverted edit by [[Special:Contributions/~2026-45209-31|~2026-45209-31]] ([[User_talk:~2026-45209-31|talk]]) to last version by [[User:Tola73|Tola73]] using [[Wikiversity:Rollback|rollback]]</comment>
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      <text bytes="29577" sha1="8nclund7ytnlp2i37idy53h24me0as6" xml:space="preserve">'''Katherine &quot;Katie&quot; Harwood''' is a fictional character in the 2002 film ''Ghost Ship'' where an innocent young girl goes on a sea voyage of a lifetime, only to be caught up in a living nightmare aboard the ill-fated ocean liner. In the film, Katie is the supporting deuteragonist to the main character (Maureen Epps) and stands in stark contrast to the completely evil and demonic antagonist (Jack Ferriman). In many regards, Katie could be considered just as much of a heroine as Maureen Epps for enduring unfathomable suffering and risking the wrath of Jack Ferriman through her unyielding efforts to save the souls and lives of others on the ship.&lt;ref name=&quot;:0&quot;&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Katie is portrayed by a young [[w:Emily Browning|Emily Jane Browning]].

== Significance ==
Katie can be viewed as an iconic representation of childhood from an earlier era, at a time when life was simpler, and childhood more innocent.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; &lt;ref name=&quot;:1&quot;&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; She stands out in a coarse mixed reviewed horror film as a compelling, distinctive and enduring character who subverts common horror child tropes.&lt;ref&gt;https://michellepatterson.net/2018/03/23/ghostship-film-review/Michelle Patterson Publications&lt;/ref&gt;&lt;ref&gt;https://moviefilmreview.com/186187/movie-review-of-ghost-ship-2002?utm_source=chatgpt.com/ Cal Knox Movie Review&lt;/ref&gt;&lt;ref&gt;https://lmariewood.com/2025/05/23/horror-tropes-when-to-use-them-and-when-to-subvert-them/ L. Marie Wood; Horror Tropes: When to Use Them and When to Subvert Them&lt;/ref&gt; With the Shout! Factory 20-year anniversary Blue-ray rerelease of ''Ghost Ship,'' Katie is made the new face of the film in the promotional artwork, elevating a morally intact child to iconic status; something very few horror children achieve, and even more so as a tragic and sympathetic figure without villainy.&lt;ref&gt;https://www.blu-ray.com/news/?id=27285/ Shout! Factory Ghost Ship 20-year anniversary collector’s edition Blu-ray disc&lt;/ref&gt;

== Synopsis ==
In May of 1962, an endearing Katie waves goodbye to her grandparents in [[Europe]] and journeys solo aboard the exquisite ''Antonia Graza'' on an exclusive cruise to rejoin her family in New York. Since Katie is the only child onboard, she receives special care and attention. In describing her voyage Katie states, ”The whole ship was my playground, also beautiful. I was the only child onboard, so the ship’s purser and captain took special care of me. I felt so safe and happy with them.”&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

However, after the Antonia Graza rescues a lone survivor and cargo from a sinking ship, Katie’s exciting journey suddenly takes a horrendous turn for the worse. Unbeknownst to Katie and her shipmates, the single survivor (Jack Ferriman) is literally a demonic henchman for Satan set on destroying lives and collecting souls. Ferriman informs select members of the crew about the millions in gold recovered from his sinking ship, and influences them to launch an elaborate plot to seize control of the Graza and the gold, by killing everyone onboard.

Remarkably, Katie survives the opening massacre scene on the foredeck, nevertheless, as the lone survivor and witness this also makes her a liability for the conspirators.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Although several crewmembers and passengers try to save her life from the homicidal conspirators, Katie is eventually caught and tragically hanged to death, with her murder concealed behind the partitioning door of her cabin.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

Instead of ascending to her rightful place in heaven, Katie’s spirit is trapped on the ship by demonic forces along with the entire compliment of murdered passengers and crew. However, since Katie is still a young child, her soul is completely innocent and therefore beyond the influence and control of the demonic Ferriman. Over the next 40 years, the evil Ferriman along with the help of the wicked “marked” souls, try to use the ship as a trap to destroy unsuspecting lives, and collect a quota of souls for hell.

Despite being the only flicker of good on the ship, Katie bravely opposes Ferriman and the evil spirits, and attempts to warn and save the lives of anyone who has the misfortune of being lured aboard the condemned vessel. Concerning these things, Katie says, “Without the mark, Jack can’t control me and because of this, he hates me most of all; scaring me at every turn and chasing me away when I try to warn those who come here.”&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

When Maureen Epps and her ship salving crew are lured aboard the Graza by Ferriman, Katie attempts to warn them about the dangerous ship. Katie has very perceptive eyes, and finds Epps to be more open to the truth than her cohorts. Katie tries to leave Epps messages and clues, and even appears to her on several occasions. When Katie learns Ferriman has sabotaged the salvage crew’s tugboat, she boldly tries to warn the crew, but is forcibly carried away by Ferriman. Epps witnesses Katie’s warning and sets off in search for the mysterious little girl.

Epps locates Katie’s cabin and comes face to face with her remains and her spirit. Katie allows Epps to have her cherished heart-shaped locket, and then proceeds to speak directly about the ship being a demonic trap. However, before Katie can finish explaining, she is overheard by an invisible Ferriman and lets out a frightened scream as he removes her from the cabin. Undeterred, Katie returns and tries to help Epps and her remaining crewmembers escape.

Endowed with supernatural power from above, Katie transports Epps back to May 21, 1962 through her memories and reveals to her the horrifying events that led to everyone’s death, including her own. Furthermore, Katie reveals the true identity of Jack Ferriman and his goal to use the ship as a conduit to collect souls for Satan.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

After experiencing Katie’s heartbreaking vision, Epps decides to risk almost certain death by destroying the cursed ship with explosives. However, Katie helps Epps escape the rapidly sinking vessel, while emancipated souls rise from the ship. Katie stays faithfully by Epps and gives her a grateful smile as her spirit ascends toward heaven.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

== Religious &amp; Symbolic Implications ==
At its core, the story is deeply religious and the plot hinges on the concept of a young girl trying to save the lives (and ultimately souls) of others from demonic forces.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Metaphorical Murals=====
The religious implications and [[Christian symbolism]] surrounding Katie’s story are rich. &lt;ref&gt;http://www.worsleyschool.net/socialarts/symbolism/page.html&lt;/ref&gt; Although only lightly touched on in the final version of the film, the most obvious religious connections come through the [[Gustave Dore]] inspired murals displayed throughout the ship. The murals are depictions based on Dante Alighieri’s Divine Comedy and The Inferno. The metaphorical murals hint at the struggle between Katie and Ferriman over the lives and souls on the ship.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Lead actress Julianna Margulies says, “Katie is like Virgil in Dante’s Inferno.&quot; Margulies explains that Katie is like a “little guide” trying to lead others through the hell of the ship and then safely onto the other side.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; As in the mural of Charon, Ferriman is literally a “ferry man” using a boat in the attempt to ferry souls to hell and eternal damnation.  Conversely, Katie opposes Ferriman by trying to protect and warn all unsuspecting visitors and sharing the truth about the demonic ship.

=====Marked Souls=====
An additional concept presented in the plot are the “marked” souls. Like the murals in the story, the souls of the sinful and the “lost”&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN |page=563 | year=1983}}&lt;/ref&gt; are marked with a hooked-shaped indention on their hand. Katie says the mark is “a sign of their sins” and that they are bound (symbolically) to the will of Satan and his demons, in addition to eventually sharing in their same judgment.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; However, not all the murals are somber. The depiction of angels defeating the demons and casting them down foreshadows the eventual defeat of Ferriman and ultimately all evil.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; Although not an overt theological story, the murals act as visual theology embedded in the ship.

=====The Dove and Locket=====
Another subtle, but implicit [[Christian symbolism]] is Katie’s heart-shaped locket with the image of a raised dove in flight.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=383}}&lt;/ref&gt; In Christian tradition, this type of dove can symbolize innocence, purity, faith, hope, God’s peace, God’s presence through the [[Holy Spirit (Christianity)|Holy Spirit]] and God’s guidance and deliverance.&lt;ref&gt;http://www.newadvent.org/cathen/05144b.htm&lt;/ref&gt; Historically, the dove also indicated God’s bestowal of fortitude necessary to bear suffering and death&lt;ref&gt;{{cite book| last=Gauding |first=Madonna | title=The Signs and Symbols Bible |publisher=Sterling Publishing Co |location=New York, NY  | year=2009 |page=82}}&lt;/ref&gt;. In this sense, the remains of the dead white bird on the bridge of the ship, foreshadows Katie’s death, but at the same time indicates that there could still be hope.  When Epps puts on Katie’s locket, it implies that Epps now has a renewed heart, or implicitly salvation as stated in Bible scripture. In this manner, the locket is also representative that Epps’ soul is not &quot;marked&quot;.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Parallel of an Innocent and Sacrificial Life=====
A striking parallel could also be drawn between Katie and Jesus Christ. In the scriptures, Christ lives a completely innocent life, but is hung on a cross to sacrificially die for the sins of all humanity.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |pages=2228-2229}}&lt;/ref&gt; Christ tastes the sting of death and hell in order to offer salvation to all who will put their faith in Him.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=966}}&lt;/ref&gt; Similarly, innocent Katie is hung by a rope behind a dividing door, but through her death she is able to lead others to safety. Because of her young age and innocent death, Katie is the only sure voice of hope for all the suppressed souls held captive on the demonic ship. Katie also endures hellish treatment from Ferriman in her efforts to lead others away from physical and spiritual death. However, Katie’s love and compassion for the lives of others is greater than her fear and pain. Although she is not raised from the dead bodily within the narrative, her spirit rises triumphantly heavenward at the climax.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Forty Years and the Promised Land=====
40 is a significant reoccurring number in the Christian faith.&lt;ref&gt;Collins English Dictonary http://dictionary.reference.com/browse/promised land&lt;/ref&gt; The Hebrews endured 40 years of great trial and testing in the wilderness before they were able to enter their promised land of rest. In Christian tradition, the earthly life is often compared to a time of trial in the wilderness and the Promised Land a metaphor for heaven.&lt;ref&gt;Collins English Dictonary http://dictionary.reference.com/browse/promised land&lt;/ref&gt; Correspondingly, Katie has endured the “wilderness” and trials of the ship for 40 years, but as the result of Epps’ help she is inevitably freed to enter the “promised land” of heaven.

=====Concept of Free Will=====
Free will is both discussed and demonstrated in the story.&lt;ref&gt;{{cite book| last=Keck |first=Leander | title=The New Interpreter's  Bible vol. 9 |publisher=Abingdon Press |location=Nashville, TN  | year=2002 |pages=61-62}}&lt;/ref&gt; Ultimately, the crew members who die are led to destruction by their own prideful sins and their selfish desire for greed, lust and power. Epps is spared the fate of her shipmates through listening to Katie’s warnings and humbly responding to the truth she shares.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Elevated Status of Children=====
In Christian scripture God often uses the most humble and unlikely people to work through &lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=2283}}&lt;/ref&gt; – Out of hundreds on the ship, Katie is the meekest, humblest and most unlikely to do anything significant, yet every soul on the ship ends up depending on her.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page production notes]&lt;/ref&gt;

Katie is also reminiscent of Christ elevating the status of children when he gave them special attention and profoundly declared that unless one humbles themself and has the faith of a little child, they will not enter the kingdom of heaven. This is further illustrated when Christ took a lowly child and placed him in the midst of his followers and stated that only those with childlike faith will be the greatest in the kingdom of heaven.&lt;ref&gt;{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | year=2001 |page=963}}&lt;/ref&gt; This concept is demonstrated by Epps' willingness to humble herself to Katie's level and accept her guidance with childlike faith.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

The role of children in Christian scripture – Comparisons could be made between Katie and several unpretentious bible figues such as the lowly shepherd boy David who defeated the warrior Goliath and became king. Outwardly young Katie and other examples of children from scripture appear to be nothing more than mere children, however, inwardly they possess vast unforeseen potential and a tremendous strength of character despite their outward appearance.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=563}}&lt;/ref&gt; &lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Eternal Destinations=====
In the film, as with [[Christian soteriology]] there are two clear eternal destinations which souls go to after death; ether heaven or hell. As demonstrated in the narrative, a heart of child-like faith will put one on the path of life, but a sinful way of living eventually leads to self destruction.&lt;ref&gt;{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN  | year=1983 |page=1902}}&lt;/ref&gt;

=====The Destructiveness of Sinful Choices=====
One of the morals of the story is the corrupting dangers of pursuing riches. This theme also fits aptly within the religious concepts of the film.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; Sinful greed, lust, debauchery and selfish desire can influence ordinarily good people to do horribly evil things (1Timothy 6:9-10).&lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=2195 | year=1991}}&lt;/ref&gt; The choices made by the characters in the story illustrate this principle.

“Be sure your sins will find you out” – As the story goes, sinful activities have consequences and will eventually have to be accounted for, and the ultimate payment for sin in the end is both physical and spiritual death (Romans 6:20-23). &lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=2039 | year=1991}}&lt;/ref&gt; &lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Loving Others before Ourselves=====
“Greater love has no one than this – To lay one’s life down for their friends.” Katie and Epps are both willing put themselves at risk to save lives. Through the process of trying to help others both Epps and Katie experience help for themselves.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

“Those who seek to save their life will lose it, but those who are willing to lose their life will save it.”&lt;ref&gt;{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | page=1842 | year=1991}}&lt;/ref&gt; In this sense Epps' life is saved, because she places the needs of others first. Katie is also freed to ascend to heaven as the result of risking herself to help others. This self-giving orientation is a reversal of Ferriman's moral philosophy based on selfishness and the human tendency to be easily corrupted by temptation.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Purgatory=====
The concept of purgatory (Whalen p. 1034-1039)&lt;ref&gt;{{cite book| last=Whalen |first=John | title=New Catholic Encyclopedia Vol. 11|publisher=Catholic University of America |location=Washington, D.C.  | year=1983}}&lt;/ref&gt; is also mentioned when Katie states that the ship had become like a “prison” where souls are trapped among the living between heaven and hell.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

====Additional Symbolism====
=====Life as a Voyage on a Ship=====
Life itself can be analogous to a voyage on ship...illustrating life is like a ship which is bound for one of two possible destinations.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; In the context of Ghost Ship, the voyage ends in destruction (death and hell) unless people choose to alter the course of their life. In this sense, Katie pleads with others to respond, but this involves humbly recognizing the need to change and giving up the allure and pursuit of vain things such as fleeting pleasure, wealth and power.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Symbols of Changing Times=====
The once elegant and decaying ship is a symbol of changing times.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; In a similar manner, Katie can be viewed as a symbolic representation of childhood from a more innocent era. Just as the ship decays to ruin from its glorious 1950’s splendor, Katie’s deteriorating childhood possessions and even Katie herself, are evocative symbols of changing times and eroding childhood innocence.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

== Dichotomy and Contrasts ==
Katie is in some ways a complicated paradox: She has been deeply hurt and traumatized by all she has experienced, but by the same token, she is still very much an innocent child – Even after 40 years of resilient growth as a character. Katie exhibits a wide array of emotions from timid youthful innocence and joy, to extreme terror, sadness, loneliness, and solemn distress.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

====Characters====
Even under tremendously trying circumstances Katie demonstrates an incredible inner strength of character without compromising the sweet kind-hearted girl she is portrayed to be. The fact that Katie remains true to herself in spite of all the evil and suffering she experiences transcends their eroding influence and distinguishes her from the other characters.&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Ferriman=====
Ferriman is representative of satanic forces and the crafty deceptiveness of evil in misleading and destroying the lives of unsuspecting individuals. In contrast, Katie serves as a narrative counterpoint to Ferriman by trying to expose evil and corruption and through sharing the truth. Katie and Ferriman are at completely opposite ends of the Christian spectrum – The demonic Ferriman is depraved and evil while Katie is sweet and innocent. Katie is primarily motivated by love and compassion, while Ferriman is motivated by hatred and rage in his efforts to claim souls with his master's mark.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; &lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

=====Epps=====
Although Katie and Epps are two completely dissimilar characters from different eras, they still grow quite close.&lt;ref&gt;{{Cite web|url=http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/|title=Ghost Ship Official Movie Page Production Notes|website=Ghost Ship Official Movie Page}}&lt;/ref&gt; Epps is described as &quot;a woman working in a man's world&quot;&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; and appears somewhat tough and masculine on the exterior as defined by her masculine working environment. Although not specifically stated, the story implies Epps is likely from a broken home. On the other hand, Katie comes from a close family as indicated through the narrative. In contrast to Epps, Katie is portrayed as a traditional mid-century girl and is slightly timid, but possess a stout, gentle inner fortitude despite her diminutive and delicate appearance.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

=====Francesca=====
The sultry orchestra vocalist, Francesca lives the more representative life of a performing artist. Unlike Epps who tends to downplay her femininity for her vocation, Francesca leans toward the other extreme and attempts to flaunt her femininity to her own advantage, even to the point of her own exploitation. Conversely, Katie is still a virtuous and modest little girl, representative of mid-Century feminine refinement who has been insulated from the corrupting influences of the adult world.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt; This positions Katie as more of a feminine balance between Epps and Francesca.

=====Captain Murphy=====
Captain Murphy appears to be a strong imposing ship captain on the outside, however, when confronted with hardship, his perceived strength is shown to be superficial. This is evident by his emotional breakdown where he shuts off emotionally and withdraws to himself while attempting to escape his problems through alcohol. In contrast, Katie appears to be delicate in both physical appearance and personality. However, despite her dainty appearance, Katie proves her true strength and resilience from within through dealing with her pain and problems directly, instead of allowing hardship to define her&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

====General Themes====
Light vs. darkness, good vs. evil, childhood innocence vs. wickedness, tragedy vs. triumph, simpler more wholesome times, vs. the complexity and loss of innocence of today.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

== Conclusion ==
On the surface, Katie’s story is an emotional tale of heartache and tragedy – Something that no young person should ever have to endure. However, Katie’s story is also essential to the plot. &lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt; Through helping each other and being willing to put themselves at risk, Katie and Epps together achieve a triumph out of the tragedy and deliver a major blow to Ferriman and the forces of evil.  Although the struggle over the souls of people will continue, this victory of the human spirit gives hope even in the face of terrible suffering, evil and even death.&lt;ref&gt;Ghost Ship DVD (2003) - Extra features and behind the scenes&lt;/ref&gt;

“Katie is really a very sweet girl.  She's completely innocent…“ says Emily Jane Browning, who obviously became completely immersed in her character.  “…She's been hoping someone would come onto the ship to be her friend, so when Epps arrives she's very excited – they develop a real friendship.&quot;&lt;ref&gt;[http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

”Emily did an amazing job,” Director Steve Beck enthuses. “She gave Katie a real complexity…she's not just a little girl caught up in a ghost story…”  Both Browning and Beck also added that underneath all her heartfelt emotions, Katie longs for vindication and justice.&lt;ref&gt; [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]&lt;/ref&gt;

The deeply symbolic and metaphorical aspects surrounding Katie’s story along with the close relationships she develops with others lends support to the notion that the film was originally intended to be more than just another Hollywood “slasher” horror. This is further substantiated by Katie’s tearful and heartfelt story – Emotionally poignant and touching drama not usually associated with a horror picture.&lt;ref&gt;http://www.dailyscript.com/scripts/ghost_ship_info.txt&lt;/ref&gt;

== References ==
===Footnotes===
{{Reflist|colwidth=30em}}

===Cited Texts===
{{refbegin}}

*{{cite book| last=Barclay | first=William | title=The Gospel of Mark |publisher=Westminster Press | location=Philadelphia, PA | isbn=0664213022 | year=1975}}
*{{cite book| last=Barton |first=John | title=The Oxford Bible Commentary |publisher=Oxford University Press |location=New York, NY  | isbn=0-19-875500-7 | year=2001}}
*{{cite book| last=Boettner |first=Loraine | title=Roman Catholicism |publisher=Presbyterian &amp; Reformed Publishing Co. |location=Phillipsburg, NJ |isbn=0875521304 | year=1985}}
*{{cite book| last=Buttrick |first=George | title=The Interpreter's Bible vol. 12 |publisher=Abingdon Press |location=Nashville, TN |asin=B000HTP248 | year=1957}}
*{{cite book |title=Collins English Dictionary - Complete &amp; Unabridged 10th Edition  |date=2009 | publisher=Harper Collins |location=New York, NY}}
*{{cite book| last=Dummelow |first=J.R. | title=Commentary on the Whole Bible |publisher=Macmillian Publishing Co. |location=New York, NY | year=1936}}
*{{cite book| last=Gaebelein |first=Frank | title=The Expositors Bible Commentary vol. 1 |publisher=Zondervan |location=Grand Rapids, MI |isbn=0310364302 | year=1979}}
*{{cite book| last=Gauding |first=Madonna | title=The Signs and Symbols Bible |publisher=Sterling Publishing Co. |location=New York, NY |isbn=1402770049| year=2009}}
*{{cite book| last=Jamieson |first=Fausset | title=Commentary on the Whole Bible  |publisher=Zondervan |location=Grand Rapids, MI| asin=B004BCQP8O | year=1971}}
*{{cite book| last=Keck |first=Leander | title=New Interpreter's Bible vol. 9 |publisher=Abingdon Press |location=Nashville, TN |isbn=0687278228 | year=2002}}
*{{cite book| title=Life Application Bible - New International Version |publisher=Tyndale House Publishers, Inc. |location=Wheaton, IL | lccn=90-71553| year=1991}}
*{{cite book| last=Towns |first=Elmer | title=Liberty Bible Commentary |publisher=Thomas Nelson Inc |location=Nashville, TN |isbn=0840752954 | year=1983}}
*{{cite book| last=Wall |first=Robert | title=The New Interpreter's Bible vol. 10 |publisher=Abingdon Press |location=Nashville, TN |isbn=0687278236 | year=2002}}
*{{cite book| last=Whalen |first=John | title=New Catholic Encyclopedia Vol. 11 |publisher=Catholic University of America |location=Washington D.C. | lccn=66-22292 | year=1967}}

{{refend}}

== External links ==
* [http://www.dailyscript.com/scripts/ghost_ship_info.txt/ Daily Script_Ghost Ship]
* [http://www.imdb.com/title/tt0288477/ Internet Movie Database_Ghost Ship 2002]
* [http://ghostshipmovie.warnerbros.com/production_notes.html?page=2/ Ghost Ship official movie page_production notes]
* [http://www.rottentomatoes.com/m/ghost_ship/ Rotten Tomatoes movie review_Ghost Ship]
[[Category:Analysis]]
[[Category:Film]]</text>
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    </revision>
  </page>
  <page>
    <title>Understanding Arithmetic Circuits</title>
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    <revision>
      <id>2822773</id>
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      <timestamp>2026-08-18T14:17:59Z</timestamp>
      <contributor>
        <username>Young1lim</username>
        <id>21186</id>
      </contributor>
      <comment>/* Adder */</comment>
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== Adder ==

* Binary Adder Architecture Exploration ( [[Media:Adder.20131113.pdf|pdf]]  )
 
{| class=&quot;wikitable&quot;
|-
!  Adder type      !! Overview !! Analysis !! VHDL Level Design  !! CMOS Level Design  
|-
| '''1. Ripple Carry Adder'''
|| [[Media:VLSI.Arith.1A.RCA.20250522.pdf|A]]||
|| [[Media:Adder.rca.20140313.pdf|pdf]]
|| [[Media:VLSI.Arith.1D.RCA.CMOS.20211108.pdf|pdf]]
|-
| '''2. Carry Lookahead Adder'''
|| [[Media:VLSI.Arith.2A.CLA.20260722.pdf|A]], [[Media:VLSI.Arith.2B.CLA.20260818.pdf|B]], [[Media:VLSI.Arith.2C.CLA.20260817.pdf|C]], [[Media:VLSI.Arith.2D.CLA.20260720.pdf|D]] ||
|| [[Media:Adder.cla.20140313.pdf|pdf]]||
|-
| '''3. Carry Save Adder''' 
|| [[Media:VLSI.Arith.1.A.CSave.20151209.pdf|A]]||
|| ||
|-
|| '''4. Carry Select Adder''' 
|| [[Media:VLSI.Arith.1.A.CSelA.20191002.pdf|A]]||
|| || 
|-
|| '''5. Carry Skip Adder'''
|| [[Media:VLSI.Arith.5A.CSkip.20250405.pdf|A]]||
|| 
|| [[Media:VLSI.Arith.5D.CSkip.CMOS.20211108.pdf|pdf]]
|- 
|| '''6. Carry Chain Adder'''
|| [[Media:VLSI.Arith.6A.CCA.20211109.pdf|A]]||
|| [[Media:VLSI.Arith.6C.CCA.VHDL.20211109.pdf|pdf]],  [[Media:Adder.cca.20140313.pdf|pdf]]
|| [[Media:VLSI.Arith.6D.CCA.CMOS.20211109.pdf|pdf]]
|- 
|| '''7. Kogge-Stone Adder'''
|| [[Media:VLSI.Arith.1.A.KSA.20140315.pdf|A]]||
|| [[Media:Adder.ksa.20140409.pdf|pdf]]||
|-
|| '''8. Prefix Adder'''
|| [[Media:VLSI.Arith.1.A.PFA.20140314.pdf|A]]||
|| || 
|-
|| '''9.1 Variable Block Adder'''
|| [[Media:VLSI.Arith.1A.VBA.20221110.pdf|A]], [[Media:VLSI.Arith.1B.VBA.20230911.pdf|B]], [[Media:VLSI.Arith.1C.VBA.20240622.pdf|C]], [[Media:VLSI.Arith.1C.VBA.20250218.pdf|D]]||
|| || 
|-
|| '''9.2 Multi-Level Variable Block Adder'''
|| [[Media:VLSI.Arith.1.A.VBA-Multi.20221031.pdf|A]]||
|| || 
|}
&lt;/br&gt;
 
=== Adder Architectures Suitable for FPGA === 
* FPGA Carry-Chain Adder ([[Media:VLSI.Arith.1.A.FPGA-CCA.20210421.pdf|pdf]])
* FPGA Carry Select Adder ([[Media:VLSI.Arith.1.B.FPGA-CarrySelect.20210522.pdf|pdf]])
* FPGA Variable Block Adder ([[Media:VLSI.Arith.1.C.FPGA-VariableBlock.20220125.pdf|pdf]])
* FPGA Carry Lookahead Adder ([[Media:VLSI.Arith.1.D.FPGA-CLookahead.20210304.pdf|pdf]])
* Carry-Skip Adder
&lt;/br&gt;

== Barrel Shifter ==
* Barrel Shifter Architecture Exploration ([[Media:Bshift.20131105.pdf|bshfit.vhdl]], [[Media:Bshift.makefile.20131109.pdf|bshfit.makefile]])
&lt;/br&gt;

'''Mux Based Barrel Shifter'''
* Analysis  ([[Media:Arith.BShfiter.20151207.pdf|pdf]]) 
* Implementation 
&lt;/br&gt;

== Multiplier == 
=== Array Multipliers ===
* Analysis  ([[Media:VLSI.Arith.1.A.Mult.20151209.pdf|pdf]])
&lt;/br&gt;

=== Tree Mulltipliers ===
* Lattice Multiplication  ([[Media:VLSI.Arith.LatticeMult.20170204.pdf|pdf]])
* Wallace Tree  ([[Media:VLSI.Arith.WallaceTree.20170204.pdf|pdf]])
* Dadda Tree  ([[Media:VLSI.Arith.DaddaTree.20170701.pdf|pdf]])
&lt;/br&gt;

=== Booth Multipliers ===
* [[Media:RNS4.BoothEncode.20161005.pdf|Booth Encoding Note]]
* Booth Multiplier Note ([[Media:BoothMult.20160929.pdf|H1.pdf]])
&lt;/br&gt;

== Divider == 
* Binary Divider ([[Media:VLSI.Arith.1.A.Divider.20131217.pdf|pdf]])&lt;/br&gt;

&lt;/br&gt;
&lt;/br&gt; 
go to [ [[Electrical_%26_Computer_Engineering_Studies]] ]

[[Category:Digital Circuit Design]]
[[Category:FPGA]]</text>
      <sha1>6bxlrkih2zr49alq486d9eoh16yzk7i</sha1>
    </revision>
  </page>
  <page>
    <title>Esperanto/Root chart</title>
    <ns>0</ns>
    <id>147668</id>
    <revision>
      <id>2822751</id>
      <parentid>2715981</parentid>
      <timestamp>2026-08-18T12:35:23Z</timestamp>
      <contributor>
        <username>Sdiabhon Sdiamhon</username>
        <id>2947922</id>
      </contributor>
      <minor />
      <comment>/* Colors */</comment>
      <origin>2822751</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9182" sha1="a720rwahksa6en13oe4m1vnxcu2k235" xml:space="preserve">&lt;p style=&quot;background: #f2f2f2; border: 1px dashed #e6e6e6; padding-left: 3px; width: 100%; text-align: center;&quot;&gt;
[[Topic:Esperanto|Main page]]
&lt;/p&gt;
This is an attempt to create a convenient list of the roots and their meanings in English

Proper nouns have been omitted. - and should not be changed.

This has gotten too large for wiki to save it efficiently in its entirety so it has now been moved [http://home.ceneezer.com/esperanto/ to my site] where you can view in a more customized way, and can still contribute to it if you choose to login (ctrl+right-click).

==Personal Pronouns==
{| class=wikitable
|-
! colspan=2 | !! singular !! plural
|-
! colspan=2 | first person
| '''mi''' (I) || '''ni''' (we)
|-
! colspan=2 | second person
| colspan=2 align=center | '''vi''' (you)
|-
! rowspan=&quot;4&quot; | third&lt;br&gt;person !! masculine
| '''li''' (he) || rowspan=&quot;4&quot; | '''ili''' (they)
|-
! feminine
| '''ŝi''' (she)
|-
! [[Wiktionary:epicene|epicene]]
| '''ĝi''' (it)
|-
!neutral
|'''ri*''' (they)
|}

&lt;nowiki&gt;*&lt;/nowiki&gt;nonstandard, typically used as a third-gender pronoun and using it is called [[wikipedia:Ri_(pronoun)|''riismo'']] ''(they-ism)''

==Correlatives==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:lime&quot;
! Correlative Table !! K- !! T- !! (alone) !! Ĉ- !! Nen- || al-
(non-standard &amp; likely to cause confusion)
|-
! -u&lt;br&gt;(Unique person/thing) || k-i-u&lt;br&gt;(who) || t-i-u&lt;br&gt;(this/that person/thing) || i-u&lt;br&gt;(some/a person/thing) || ĉ-i-u&lt;br&gt;(every person/thing) || nen-i-u&lt;br&gt;(No person/thing) || al-i-u&lt;br&gt;(someone else)
|-
! -e&lt;br&gt;(place, location) || k-i-e&lt;br&gt;(where) || t-i-e&lt;br&gt;(there) || i-e&lt;br&gt;(some place) || ĉ-i-e&lt;br&gt;(every place) || nen-i-e&lt;br&gt;(No place) || al-i-e&lt;br&gt;(elsewhere)
|-
! -o&lt;br&gt;(abstract thing) || k-i-o&lt;br&gt;(what) || t-i-o&lt;br&gt;(that) || i-o&lt;br&gt;(some thing) || ĉ-i-o&lt;br&gt;(every thing) || nen-i-o&lt;br&gt;(No thing) || al-i-o&lt;br&gt;(something else)
|-
! -a&lt;br&gt;(type/kind) || k-i-a&lt;br&gt;(what type, which kind) || t-i-a&lt;br&gt;(this/that type/kind) || i-a&lt;br&gt;(some/a type/kind) || ĉ-i-a&lt;br&gt;(every type/kind) || nen-i-a&lt;br&gt;(No type/kind) || al-i-a&lt;br&gt;(another kind)
|-
! -om&lt;br&gt;(quantity) || k-i-om&lt;br&gt;(how many) || t-i-om&lt;br&gt;(this many) || i-om&lt;br&gt;(some amount) || ĉ-i-om&lt;br&gt;(every amount) || nen-i-om&lt;br&gt;(No amount) || al-i-om&lt;br&gt;(another amount)
|-
! -am&lt;br&gt;(time) || k-i-am&lt;br&gt;(when) || t-i-am&lt;br&gt;(then) || i-am&lt;br&gt;(some time) || ĉ-i-am&lt;br&gt;(every time, always) || nen-i-am&lt;br&gt;(No time, never) || al-i-am&lt;br&gt;(another time)
|-
! -es&lt;br&gt;(ownership) || k-i-es&lt;br&gt;(whose) || t-i-es&lt;br&gt;(their) || i-es&lt;br&gt;(some/any one's) || ĉ-i-es&lt;br&gt;(everyone's) || neni-es&lt;br&gt;(noone's) || al-i-es&lt;br&gt;(someone else's)
|-
! -al&lt;br&gt;(causation) || k-i-al&lt;br&gt;(why) || t-i-al&lt;br&gt;(because) || i-al&lt;br&gt;(for some reason) || ĉ-i-al&lt;br&gt;(for all reasons) || nen-i-al&lt;br&gt;(for no reason) || al-i-al&lt;br&gt;(another reason)
|-
! -el&lt;br&gt;(method) || k-i-el&lt;br&gt;(how, in what method) || t-i-el&lt;br&gt;(in this method) || i-el&lt;br&gt;(in some method) || ĉ-i-el&lt;br&gt;(in every way) || nen-i-el&lt;br&gt;(in no way) || al-i-el&lt;br&gt;(another way)
|}


==Prepositions==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! preposition !! Meaning
|-
| al || to, toward
|-
| anstataŭ || instead of
|-
| antaŭ || before, in front of
|-
| apud || beside, near, nearby, near to, next to
|-
| ĉe || at (generic non-specific preposition)
|-
| ĉirkaŭ || about, around, circa
|-
| de ||  of, from, by
|-
| dum || during, for, while
|-
| ekde || since, starting/beginning at
|-
| el || from, out of
|-
| en || into, inside, inside of
|-
| ekster || outside, outside of
|-
| eksteren || outward, towards the outside of
|-
| ĝis || until, till
|-
| inter || among, between
|-
| kontraŭ || against, across from, in exchange for, opposed to, opposite
|-
| krom || except for, except, apart from, besides
|-
| kun || with, together with
|-
| laŭ || according to
|-
| malgraŭ || despite, in spite of
|-
| ol || than (more/less)
|-
| per || by means of, through use of
|-
| plus || numerically greater than
|-
| post || after, behind
|-
| po || at the rate of
|-
| por || on behalf of
|-
| preter || beyond
|-
| pri || about, concerning, on, upon
|-
| pro || because of
|-
| sen || without
|-
| sub || below, beneath
|-
| sur || upon, on top of
|-
| super || above, over
|-
| tra || through (as in a location, not through use/means of)
|-
| trans || across, beyond, on the other side of
|}
&lt;br&gt;

==Suffixes==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! Suffix !! Audio !! Meaning !! Example !! Audio !! Translation
|-
| -aĉ ||  || cheap, poor quality || dom-aĉ-o ||  || shack
|-
| -ad ||  || prolonged || parol-ad-i ||  || ramble
|-
| -aĵo ||  || to make a noun || sek-aĵ-o ||  || dry good
|-
| -an ||  || citizen, member of || Kanad-an-o ||  || Canadian
|-
| -ar ||  || group || Kanad-an-ar-o ||  || Canadians
|-
| -ĉj ||  || male nickname || pa-ĉj-o ||  || daddy
|-
| -ebl ||  || possibility || vid-ebl-a ||  || visible
|-
| -ec ||  || -ness || dolĉ-ec-o ||  || sweetness
|-
| -eg ||  || bigger || vent-eg-o ||  || gale
|-
| -ej ||  || to make a place || preĝ-ej-o ||  || church/temple (place of prayer)
|-
| -em ||  || tendency || ŝpar-em-a ||  || thrifty
|-
| -end ||  || should/must || leg-end-a ||  || that should be read
|-
| -er ||  || part of || sal-er-o ||  || grain of salt
|-
| -estr ||  || leader || Kanad-estr-o ||  || Prime-minister (Canadian leader)
|-
| -et ||  || smaller || rid-et-i ||  || smile (little laugh)
|-
| -id ||  || offspring || ĉeval-id-o ||  || colt
|-
| -ig ||  || to cause || pur-ig-i ||  || to make clean
|-
| -iĝ ||  || to become || ruĝ-iĝ-i ||  || blush (redden)
|-
| -il ||  || tool || ŝlos-il-o ||  || key (lock tool)
|-
| -in ||  || female || Kanad-an-in-o ||  || Canadian woman
|-
| -ind ||  || worthy || admir-ind-a ||  || admirable
|-
| -ist ||  || profession || Esperant-ist-o ||  || Esperanto teacher/speaker
|-
| -nj ||  || female nickname || pa-nj-o ||  || mommy
|-
| -obl ||  || times/-fold || du-obl-a ||  || double
|-
| -on ||  || part, fraction || kvar-on-o ||  || quarter
|-
| #op ||  || group || du-op-o ||  || pair, couple
|-
| -uj ||  || container || mon-uj-o ||  || purse/wallet
|-
| -ul ||  || person of trait || stult-ul-o ||  || fool
|}

==Colors==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:red&quot;
! root !! Akademio de Esperanto !! -o&lt;br&gt;(noun) !! -a&lt;br&gt;(adjective) !! -i&lt;br&gt;(verb) !! -e&lt;br&gt;(adverb) !! mal-&lt;br&gt;(opposite)
|-
|[[wikt:arĝenta|arĝent-]]||silver||[[wikt:silver|silver]] || [[wikt:silvery|silvery]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]	
|-
|[[wikt:blanka|blank-]]||white||[[wikt:white|white]] || [[wikt:light|light]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:dark|dark]]	
|-
|[[wikt:blonda|blond-]]||fair||[[wikt:blond|blond]] || [[wikt:blond|blond]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:blua|blu-]]||blue||[[wikt:blue|blue]] || [[wikt:blue|blue]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:bruna|brun-]]||brown||[[wikt:brown|brown]] || [[wikt:brown|brown]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ebona|ebon-]]||ebony||[[wikt:ebony|ebony]] || [[wikt:ebony|ebony]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:flava|flav-]]||yellow||[[wikt:yellow|yellow]] || [[wikt:yellow|yellow]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:griza|griz-]]||grey||[[wikt:gray|gray]] || [[wikt:gray|gray]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kobalta|kobalt-]]||cobalt||[[wikt:Cobalt|cobalt]] || [[wikt:cobalty|cobalty]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kolora|kolor-]]||color||[[wikt:color|color]] || [[wikt:colorfull|colorful]] || [[wikt:color|color]] || [[wikt:|w:]] || [[wikt:monochome|monochome]]
|-
|[[wikt:nigra|nigr-]]||black||[[wikt:black|black]] || [[wikt:dark|dark]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:light|light]]
|-
|[[wikt:oranĝa|oranĝ-]]||orange||[[wikt:orange|orange]] || [[wikt:orange|orange]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:pala|pal-]]||pale||[[wikt:|w:]] || [[wikt:pale|pale]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:purpura|purpur-]]||purple||[[wikt:purple|purple]] || [[wikt:purple|purple]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:roza|roz-]]||rose||[[wikt:pink|pink]] || [[wikt:pink|pink]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ruĝa|ruĝ-]]||red||[[wikt:red|red]] || [[wikt:red|red]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:skarlata|skarlat-]]||scarlet||[[wikt:scarlet|scarlet]] || [[wikt:scarlet|scarlet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:stria|stri-]]||stripe/streak||[[wikt:strip|strip]] || [[wikt:|w:]] || [[wikt:stripe|stripe]] || [[wikt:|w:]] || [[wikt:solid|solid]]
|-
|[[wikt:eo:turkisa|turkis-]]||turquoise||[[wikt:turquoise|turquoise]] || [[wikt:turquoise|turquoise]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:verda|verd-]]||green||[[wikt:green|green]] || [[wikt:green|green]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:viola|viol-]]||violet||[[wikt:violet|violet]] || [[wikt:violet|violet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|}

{{CourseCat}}</text>
      <sha1>a720rwahksa6en13oe4m1vnxcu2k235</sha1>
    </revision>
    <revision>
      <id>2822752</id>
      <parentid>2822751</parentid>
      <timestamp>2026-08-18T12:37:44Z</timestamp>
      <contributor>
        <username>Sdiabhon Sdiamhon</username>
        <id>2947922</id>
      </contributor>
      <minor />
      <comment>/* Correlatives */</comment>
      <origin>2822752</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9174" sha1="9t85zpdq188m1rtcmb3j5zoha86uxrk" xml:space="preserve">&lt;p style=&quot;background: #f2f2f2; border: 1px dashed #e6e6e6; padding-left: 3px; width: 100%; text-align: center;&quot;&gt;
[[Topic:Esperanto|Main page]]
&lt;/p&gt;
This is an attempt to create a convenient list of the roots and their meanings in English

Proper nouns have been omitted. - and should not be changed.

This has gotten too large for wiki to save it efficiently in its entirety so it has now been moved [http://home.ceneezer.com/esperanto/ to my site] where you can view in a more customized way, and can still contribute to it if you choose to login (ctrl+right-click).

==Personal Pronouns==
{| class=wikitable
|-
! colspan=2 | !! singular !! plural
|-
! colspan=2 | first person
| '''mi''' (I) || '''ni''' (we)
|-
! colspan=2 | second person
| colspan=2 align=center | '''vi''' (you)
|-
! rowspan=&quot;4&quot; | third&lt;br&gt;person !! masculine
| '''li''' (he) || rowspan=&quot;4&quot; | '''ili''' (they)
|-
! feminine
| '''ŝi''' (she)
|-
! [[Wiktionary:epicene|epicene]]
| '''ĝi''' (it)
|-
!neutral
|'''ri*''' (they)
|}

&lt;nowiki&gt;*&lt;/nowiki&gt;nonstandard, typically used as a third-gender pronoun and using it is called [[wikipedia:Ri_(pronoun)|''riismo'']] ''(they-ism)''

==Correlatives==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:lime&quot;
! Correlative Table !! K- !! T- !! (alone) !! Ĉ- !! Nen- || al-
(non-standard &amp; likely to cause confusion)
|-
! -u&lt;br&gt;(person/thing) || k-i-u&lt;br&gt;(who) || t-i-u&lt;br&gt;(this/that person/thing) || i-u&lt;br&gt;(some/a person/thing) || ĉ-i-u&lt;br&gt;(every person/thing) || nen-i-u&lt;br&gt;(No person/thing) || al-i-u&lt;br&gt;(someone else)
|-
! -e&lt;br&gt;(place, location) || k-i-e&lt;br&gt;(where) || t-i-e&lt;br&gt;(there) || i-e&lt;br&gt;(some place) || ĉ-i-e&lt;br&gt;(every place) || nen-i-e&lt;br&gt;(No place) || al-i-e&lt;br&gt;(elsewhere)
|-
! -o&lt;br&gt;(abstract thing) || k-i-o&lt;br&gt;(what) || t-i-o&lt;br&gt;(that) || i-o&lt;br&gt;(some thing) || ĉ-i-o&lt;br&gt;(every thing) || nen-i-o&lt;br&gt;(No thing) || al-i-o&lt;br&gt;(something else)
|-
! -a&lt;br&gt;(type/kind) || k-i-a&lt;br&gt;(what type, which kind) || t-i-a&lt;br&gt;(this/that type/kind) || i-a&lt;br&gt;(some/a type/kind) || ĉ-i-a&lt;br&gt;(every type/kind) || nen-i-a&lt;br&gt;(No type/kind) || al-i-a&lt;br&gt;(another kind)
|-
! -om&lt;br&gt;(quantity) || k-i-om&lt;br&gt;(how many) || t-i-om&lt;br&gt;(this many) || i-om&lt;br&gt;(some amount) || ĉ-i-om&lt;br&gt;(every amount) || nen-i-om&lt;br&gt;(No amount) || al-i-om&lt;br&gt;(another amount)
|-
! -am&lt;br&gt;(time) || k-i-am&lt;br&gt;(when) || t-i-am&lt;br&gt;(then) || i-am&lt;br&gt;(some time) || ĉ-i-am&lt;br&gt;(every time, always) || nen-i-am&lt;br&gt;(No time, never) || al-i-am&lt;br&gt;(another time)
|-
! -es&lt;br&gt;(ownership) || k-i-es&lt;br&gt;(whose) || t-i-es&lt;br&gt;(their) || i-es&lt;br&gt;(some/any one's) || ĉ-i-es&lt;br&gt;(everyone's) || neni-es&lt;br&gt;(noone's) || al-i-es&lt;br&gt;(someone else's)
|-
! -al&lt;br&gt;(causation) || k-i-al&lt;br&gt;(why) || t-i-al&lt;br&gt;(because) || i-al&lt;br&gt;(for some reason) || ĉ-i-al&lt;br&gt;(for all reasons) || nen-i-al&lt;br&gt;(for no reason) || al-i-al&lt;br&gt;(another reason)
|-
! -el&lt;br&gt;(method) || k-i-el&lt;br&gt;(how, in what method) || t-i-el&lt;br&gt;(in this method) || i-el&lt;br&gt;(in some method) || ĉ-i-el&lt;br&gt;(in every way) || nen-i-el&lt;br&gt;(in no way) || al-i-el&lt;br&gt;(another way)
|}

==Prepositions==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! preposition !! Meaning
|-
| al || to, toward
|-
| anstataŭ || instead of
|-
| antaŭ || before, in front of
|-
| apud || beside, near, nearby, near to, next to
|-
| ĉe || at (generic non-specific preposition)
|-
| ĉirkaŭ || about, around, circa
|-
| de ||  of, from, by
|-
| dum || during, for, while
|-
| ekde || since, starting/beginning at
|-
| el || from, out of
|-
| en || into, inside, inside of
|-
| ekster || outside, outside of
|-
| eksteren || outward, towards the outside of
|-
| ĝis || until, till
|-
| inter || among, between
|-
| kontraŭ || against, across from, in exchange for, opposed to, opposite
|-
| krom || except for, except, apart from, besides
|-
| kun || with, together with
|-
| laŭ || according to
|-
| malgraŭ || despite, in spite of
|-
| ol || than (more/less)
|-
| per || by means of, through use of
|-
| plus || numerically greater than
|-
| post || after, behind
|-
| po || at the rate of
|-
| por || on behalf of
|-
| preter || beyond
|-
| pri || about, concerning, on, upon
|-
| pro || because of
|-
| sen || without
|-
| sub || below, beneath
|-
| sur || upon, on top of
|-
| super || above, over
|-
| tra || through (as in a location, not through use/means of)
|-
| trans || across, beyond, on the other side of
|}
&lt;br&gt;

==Suffixes==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! Suffix !! Audio !! Meaning !! Example !! Audio !! Translation
|-
| -aĉ ||  || cheap, poor quality || dom-aĉ-o ||  || shack
|-
| -ad ||  || prolonged || parol-ad-i ||  || ramble
|-
| -aĵo ||  || to make a noun || sek-aĵ-o ||  || dry good
|-
| -an ||  || citizen, member of || Kanad-an-o ||  || Canadian
|-
| -ar ||  || group || Kanad-an-ar-o ||  || Canadians
|-
| -ĉj ||  || male nickname || pa-ĉj-o ||  || daddy
|-
| -ebl ||  || possibility || vid-ebl-a ||  || visible
|-
| -ec ||  || -ness || dolĉ-ec-o ||  || sweetness
|-
| -eg ||  || bigger || vent-eg-o ||  || gale
|-
| -ej ||  || to make a place || preĝ-ej-o ||  || church/temple (place of prayer)
|-
| -em ||  || tendency || ŝpar-em-a ||  || thrifty
|-
| -end ||  || should/must || leg-end-a ||  || that should be read
|-
| -er ||  || part of || sal-er-o ||  || grain of salt
|-
| -estr ||  || leader || Kanad-estr-o ||  || Prime-minister (Canadian leader)
|-
| -et ||  || smaller || rid-et-i ||  || smile (little laugh)
|-
| -id ||  || offspring || ĉeval-id-o ||  || colt
|-
| -ig ||  || to cause || pur-ig-i ||  || to make clean
|-
| -iĝ ||  || to become || ruĝ-iĝ-i ||  || blush (redden)
|-
| -il ||  || tool || ŝlos-il-o ||  || key (lock tool)
|-
| -in ||  || female || Kanad-an-in-o ||  || Canadian woman
|-
| -ind ||  || worthy || admir-ind-a ||  || admirable
|-
| -ist ||  || profession || Esperant-ist-o ||  || Esperanto teacher/speaker
|-
| -nj ||  || female nickname || pa-nj-o ||  || mommy
|-
| -obl ||  || times/-fold || du-obl-a ||  || double
|-
| -on ||  || part, fraction || kvar-on-o ||  || quarter
|-
| #op ||  || group || du-op-o ||  || pair, couple
|-
| -uj ||  || container || mon-uj-o ||  || purse/wallet
|-
| -ul ||  || person of trait || stult-ul-o ||  || fool
|}

==Colors==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:red&quot;
! root !! Akademio de Esperanto !! -o&lt;br&gt;(noun) !! -a&lt;br&gt;(adjective) !! -i&lt;br&gt;(verb) !! -e&lt;br&gt;(adverb) !! mal-&lt;br&gt;(opposite)
|-
|[[wikt:arĝenta|arĝent-]]||silver||[[wikt:silver|silver]] || [[wikt:silvery|silvery]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]	
|-
|[[wikt:blanka|blank-]]||white||[[wikt:white|white]] || [[wikt:light|light]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:dark|dark]]	
|-
|[[wikt:blonda|blond-]]||fair||[[wikt:blond|blond]] || [[wikt:blond|blond]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:blua|blu-]]||blue||[[wikt:blue|blue]] || [[wikt:blue|blue]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:bruna|brun-]]||brown||[[wikt:brown|brown]] || [[wikt:brown|brown]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ebona|ebon-]]||ebony||[[wikt:ebony|ebony]] || [[wikt:ebony|ebony]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:flava|flav-]]||yellow||[[wikt:yellow|yellow]] || [[wikt:yellow|yellow]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:griza|griz-]]||grey||[[wikt:gray|gray]] || [[wikt:gray|gray]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kobalta|kobalt-]]||cobalt||[[wikt:Cobalt|cobalt]] || [[wikt:cobalty|cobalty]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kolora|kolor-]]||color||[[wikt:color|color]] || [[wikt:colorfull|colorful]] || [[wikt:color|color]] || [[wikt:|w:]] || [[wikt:monochome|monochome]]
|-
|[[wikt:nigra|nigr-]]||black||[[wikt:black|black]] || [[wikt:dark|dark]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:light|light]]
|-
|[[wikt:oranĝa|oranĝ-]]||orange||[[wikt:orange|orange]] || [[wikt:orange|orange]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:pala|pal-]]||pale||[[wikt:|w:]] || [[wikt:pale|pale]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:purpura|purpur-]]||purple||[[wikt:purple|purple]] || [[wikt:purple|purple]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:roza|roz-]]||rose||[[wikt:pink|pink]] || [[wikt:pink|pink]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ruĝa|ruĝ-]]||red||[[wikt:red|red]] || [[wikt:red|red]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:skarlata|skarlat-]]||scarlet||[[wikt:scarlet|scarlet]] || [[wikt:scarlet|scarlet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:stria|stri-]]||stripe/streak||[[wikt:strip|strip]] || [[wikt:|w:]] || [[wikt:stripe|stripe]] || [[wikt:|w:]] || [[wikt:solid|solid]]
|-
|[[wikt:eo:turkisa|turkis-]]||turquoise||[[wikt:turquoise|turquoise]] || [[wikt:turquoise|turquoise]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:verda|verd-]]||green||[[wikt:green|green]] || [[wikt:green|green]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:viola|viol-]]||violet||[[wikt:violet|violet]] || [[wikt:violet|violet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|}

{{CourseCat}}</text>
      <sha1>9t85zpdq188m1rtcmb3j5zoha86uxrk</sha1>
    </revision>
    <revision>
      <id>2822753</id>
      <parentid>2822752</parentid>
      <timestamp>2026-08-18T12:38:24Z</timestamp>
      <contributor>
        <username>Sdiabhon Sdiamhon</username>
        <id>2947922</id>
      </contributor>
      <minor />
      <comment>/* Correlatives */</comment>
      <origin>2822753</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9181" sha1="doajtjk0ovpjlahldbgv34rwiqkr5xd" xml:space="preserve">&lt;p style=&quot;background: #f2f2f2; border: 1px dashed #e6e6e6; padding-left: 3px; width: 100%; text-align: center;&quot;&gt;
[[Topic:Esperanto|Main page]]
&lt;/p&gt;
This is an attempt to create a convenient list of the roots and their meanings in English

Proper nouns have been omitted. - and should not be changed.

This has gotten too large for wiki to save it efficiently in its entirety so it has now been moved [http://home.ceneezer.com/esperanto/ to my site] where you can view in a more customized way, and can still contribute to it if you choose to login (ctrl+right-click).

==Personal Pronouns==
{| class=wikitable
|-
! colspan=2 | !! singular !! plural
|-
! colspan=2 | first person
| '''mi''' (I) || '''ni''' (we)
|-
! colspan=2 | second person
| colspan=2 align=center | '''vi''' (you)
|-
! rowspan=&quot;4&quot; | third&lt;br&gt;person !! masculine
| '''li''' (he) || rowspan=&quot;4&quot; | '''ili''' (they)
|-
! feminine
| '''ŝi''' (she)
|-
! [[Wiktionary:epicene|epicene]]
| '''ĝi''' (it)
|-
!neutral
|'''ri*''' (they)
|}

&lt;nowiki&gt;*&lt;/nowiki&gt;nonstandard, typically used as a third-gender pronoun and using it is called [[wikipedia:Ri_(pronoun)|''riismo'']] ''(they-ism)''

==Correlatives==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:lime&quot;
! Correlative Table !! K- !! T- !! (alone) !! Ĉ- !! Nen- || al-
(non-standard &amp; likely to cause confusion)
|-
! -u&lt;br&gt;(person/thing) || k-i-u&lt;br&gt;(who, which) || t-i-u&lt;br&gt;(this/that person/thing) || i-u&lt;br&gt;(some/a person/thing) || ĉ-i-u&lt;br&gt;(every person/thing) || nen-i-u&lt;br&gt;(No person/thing) || al-i-u&lt;br&gt;(someone else)
|-
! -e&lt;br&gt;(place, location) || k-i-e&lt;br&gt;(where) || t-i-e&lt;br&gt;(there) || i-e&lt;br&gt;(some place) || ĉ-i-e&lt;br&gt;(every place) || nen-i-e&lt;br&gt;(No place) || al-i-e&lt;br&gt;(elsewhere)
|-
! -o&lt;br&gt;(abstract thing) || k-i-o&lt;br&gt;(what) || t-i-o&lt;br&gt;(that) || i-o&lt;br&gt;(some thing) || ĉ-i-o&lt;br&gt;(every thing) || nen-i-o&lt;br&gt;(No thing) || al-i-o&lt;br&gt;(something else)
|-
! -a&lt;br&gt;(type/kind) || k-i-a&lt;br&gt;(what type, which kind) || t-i-a&lt;br&gt;(this/that type/kind) || i-a&lt;br&gt;(some/a type/kind) || ĉ-i-a&lt;br&gt;(every type/kind) || nen-i-a&lt;br&gt;(No type/kind) || al-i-a&lt;br&gt;(another kind)
|-
! -om&lt;br&gt;(quantity) || k-i-om&lt;br&gt;(how many) || t-i-om&lt;br&gt;(this many) || i-om&lt;br&gt;(some amount) || ĉ-i-om&lt;br&gt;(every amount) || nen-i-om&lt;br&gt;(No amount) || al-i-om&lt;br&gt;(another amount)
|-
! -am&lt;br&gt;(time) || k-i-am&lt;br&gt;(when) || t-i-am&lt;br&gt;(then) || i-am&lt;br&gt;(some time) || ĉ-i-am&lt;br&gt;(every time, always) || nen-i-am&lt;br&gt;(No time, never) || al-i-am&lt;br&gt;(another time)
|-
! -es&lt;br&gt;(ownership) || k-i-es&lt;br&gt;(whose) || t-i-es&lt;br&gt;(their) || i-es&lt;br&gt;(some/any one's) || ĉ-i-es&lt;br&gt;(everyone's) || neni-es&lt;br&gt;(noone's) || al-i-es&lt;br&gt;(someone else's)
|-
! -al&lt;br&gt;(causation) || k-i-al&lt;br&gt;(why) || t-i-al&lt;br&gt;(because) || i-al&lt;br&gt;(for some reason) || ĉ-i-al&lt;br&gt;(for all reasons) || nen-i-al&lt;br&gt;(for no reason) || al-i-al&lt;br&gt;(another reason)
|-
! -el&lt;br&gt;(method) || k-i-el&lt;br&gt;(how, in what method) || t-i-el&lt;br&gt;(in this method) || i-el&lt;br&gt;(in some method) || ĉ-i-el&lt;br&gt;(in every way) || nen-i-el&lt;br&gt;(in no way) || al-i-el&lt;br&gt;(another way)
|}

==Prepositions==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! preposition !! Meaning
|-
| al || to, toward
|-
| anstataŭ || instead of
|-
| antaŭ || before, in front of
|-
| apud || beside, near, nearby, near to, next to
|-
| ĉe || at (generic non-specific preposition)
|-
| ĉirkaŭ || about, around, circa
|-
| de ||  of, from, by
|-
| dum || during, for, while
|-
| ekde || since, starting/beginning at
|-
| el || from, out of
|-
| en || into, inside, inside of
|-
| ekster || outside, outside of
|-
| eksteren || outward, towards the outside of
|-
| ĝis || until, till
|-
| inter || among, between
|-
| kontraŭ || against, across from, in exchange for, opposed to, opposite
|-
| krom || except for, except, apart from, besides
|-
| kun || with, together with
|-
| laŭ || according to
|-
| malgraŭ || despite, in spite of
|-
| ol || than (more/less)
|-
| per || by means of, through use of
|-
| plus || numerically greater than
|-
| post || after, behind
|-
| po || at the rate of
|-
| por || on behalf of
|-
| preter || beyond
|-
| pri || about, concerning, on, upon
|-
| pro || because of
|-
| sen || without
|-
| sub || below, beneath
|-
| sur || upon, on top of
|-
| super || above, over
|-
| tra || through (as in a location, not through use/means of)
|-
| trans || across, beyond, on the other side of
|}
&lt;br&gt;

==Suffixes==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! Suffix !! Audio !! Meaning !! Example !! Audio !! Translation
|-
| -aĉ ||  || cheap, poor quality || dom-aĉ-o ||  || shack
|-
| -ad ||  || prolonged || parol-ad-i ||  || ramble
|-
| -aĵo ||  || to make a noun || sek-aĵ-o ||  || dry good
|-
| -an ||  || citizen, member of || Kanad-an-o ||  || Canadian
|-
| -ar ||  || group || Kanad-an-ar-o ||  || Canadians
|-
| -ĉj ||  || male nickname || pa-ĉj-o ||  || daddy
|-
| -ebl ||  || possibility || vid-ebl-a ||  || visible
|-
| -ec ||  || -ness || dolĉ-ec-o ||  || sweetness
|-
| -eg ||  || bigger || vent-eg-o ||  || gale
|-
| -ej ||  || to make a place || preĝ-ej-o ||  || church/temple (place of prayer)
|-
| -em ||  || tendency || ŝpar-em-a ||  || thrifty
|-
| -end ||  || should/must || leg-end-a ||  || that should be read
|-
| -er ||  || part of || sal-er-o ||  || grain of salt
|-
| -estr ||  || leader || Kanad-estr-o ||  || Prime-minister (Canadian leader)
|-
| -et ||  || smaller || rid-et-i ||  || smile (little laugh)
|-
| -id ||  || offspring || ĉeval-id-o ||  || colt
|-
| -ig ||  || to cause || pur-ig-i ||  || to make clean
|-
| -iĝ ||  || to become || ruĝ-iĝ-i ||  || blush (redden)
|-
| -il ||  || tool || ŝlos-il-o ||  || key (lock tool)
|-
| -in ||  || female || Kanad-an-in-o ||  || Canadian woman
|-
| -ind ||  || worthy || admir-ind-a ||  || admirable
|-
| -ist ||  || profession || Esperant-ist-o ||  || Esperanto teacher/speaker
|-
| -nj ||  || female nickname || pa-nj-o ||  || mommy
|-
| -obl ||  || times/-fold || du-obl-a ||  || double
|-
| -on ||  || part, fraction || kvar-on-o ||  || quarter
|-
| #op ||  || group || du-op-o ||  || pair, couple
|-
| -uj ||  || container || mon-uj-o ||  || purse/wallet
|-
| -ul ||  || person of trait || stult-ul-o ||  || fool
|}

==Colors==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:red&quot;
! root !! Akademio de Esperanto !! -o&lt;br&gt;(noun) !! -a&lt;br&gt;(adjective) !! -i&lt;br&gt;(verb) !! -e&lt;br&gt;(adverb) !! mal-&lt;br&gt;(opposite)
|-
|[[wikt:arĝenta|arĝent-]]||silver||[[wikt:silver|silver]] || [[wikt:silvery|silvery]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]	
|-
|[[wikt:blanka|blank-]]||white||[[wikt:white|white]] || [[wikt:light|light]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:dark|dark]]	
|-
|[[wikt:blonda|blond-]]||fair||[[wikt:blond|blond]] || [[wikt:blond|blond]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:blua|blu-]]||blue||[[wikt:blue|blue]] || [[wikt:blue|blue]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:bruna|brun-]]||brown||[[wikt:brown|brown]] || [[wikt:brown|brown]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ebona|ebon-]]||ebony||[[wikt:ebony|ebony]] || [[wikt:ebony|ebony]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:flava|flav-]]||yellow||[[wikt:yellow|yellow]] || [[wikt:yellow|yellow]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:griza|griz-]]||grey||[[wikt:gray|gray]] || [[wikt:gray|gray]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kobalta|kobalt-]]||cobalt||[[wikt:Cobalt|cobalt]] || [[wikt:cobalty|cobalty]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kolora|kolor-]]||color||[[wikt:color|color]] || [[wikt:colorfull|colorful]] || [[wikt:color|color]] || [[wikt:|w:]] || [[wikt:monochome|monochome]]
|-
|[[wikt:nigra|nigr-]]||black||[[wikt:black|black]] || [[wikt:dark|dark]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:light|light]]
|-
|[[wikt:oranĝa|oranĝ-]]||orange||[[wikt:orange|orange]] || [[wikt:orange|orange]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:pala|pal-]]||pale||[[wikt:|w:]] || [[wikt:pale|pale]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:purpura|purpur-]]||purple||[[wikt:purple|purple]] || [[wikt:purple|purple]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:roza|roz-]]||rose||[[wikt:pink|pink]] || [[wikt:pink|pink]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ruĝa|ruĝ-]]||red||[[wikt:red|red]] || [[wikt:red|red]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:skarlata|skarlat-]]||scarlet||[[wikt:scarlet|scarlet]] || [[wikt:scarlet|scarlet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:stria|stri-]]||stripe/streak||[[wikt:strip|strip]] || [[wikt:|w:]] || [[wikt:stripe|stripe]] || [[wikt:|w:]] || [[wikt:solid|solid]]
|-
|[[wikt:eo:turkisa|turkis-]]||turquoise||[[wikt:turquoise|turquoise]] || [[wikt:turquoise|turquoise]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:verda|verd-]]||green||[[wikt:green|green]] || [[wikt:green|green]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:viola|viol-]]||violet||[[wikt:violet|violet]] || [[wikt:violet|violet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|}

{{CourseCat}}</text>
      <sha1>doajtjk0ovpjlahldbgv34rwiqkr5xd</sha1>
    </revision>
    <revision>
      <id>2822756</id>
      <parentid>2822753</parentid>
      <timestamp>2026-08-18T12:39:52Z</timestamp>
      <contributor>
        <username>Sdiabhon Sdiamhon</username>
        <id>2947922</id>
      </contributor>
      <minor />
      <comment>/* Correlatives */</comment>
      <origin>2822756</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9171" sha1="jcsvvd0yen7p24652ljxxeiibyx3go5" xml:space="preserve">&lt;p style=&quot;background: #f2f2f2; border: 1px dashed #e6e6e6; padding-left: 3px; width: 100%; text-align: center;&quot;&gt;
[[Topic:Esperanto|Main page]]
&lt;/p&gt;
This is an attempt to create a convenient list of the roots and their meanings in English

Proper nouns have been omitted. - and should not be changed.

This has gotten too large for wiki to save it efficiently in its entirety so it has now been moved [http://home.ceneezer.com/esperanto/ to my site] where you can view in a more customized way, and can still contribute to it if you choose to login (ctrl+right-click).

==Personal Pronouns==
{| class=wikitable
|-
! colspan=2 | !! singular !! plural
|-
! colspan=2 | first person
| '''mi''' (I) || '''ni''' (we)
|-
! colspan=2 | second person
| colspan=2 align=center | '''vi''' (you)
|-
! rowspan=&quot;4&quot; | third&lt;br&gt;person !! masculine
| '''li''' (he) || rowspan=&quot;4&quot; | '''ili''' (they)
|-
! feminine
| '''ŝi''' (she)
|-
! [[Wiktionary:epicene|epicene]]
| '''ĝi''' (it)
|-
!neutral
|'''ri*''' (they)
|}

&lt;nowiki&gt;*&lt;/nowiki&gt;nonstandard, typically used as a third-gender pronoun and using it is called [[wikipedia:Ri_(pronoun)|''riismo'']] ''(they-ism)''

==Correlatives==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:lime&quot;
! Correlative Table !! K- !! T- !! (alone) !! Ĉ- !! Nen- || al-
(non-standard &amp; likely to cause confusion)
|-
! -u&lt;br&gt;(person/thing) || k-i-u&lt;br&gt;(who, which) || t-i-u&lt;br&gt;(that person/thing) || i-u&lt;br&gt;(some/a person/thing) || ĉ-i-u&lt;br&gt;(every person/thing) || nen-i-u&lt;br&gt;(No person/thing) || al-i-u&lt;br&gt;(someone else)
|-
! -e&lt;br&gt;(place, location) || k-i-e&lt;br&gt;(where) || t-i-e&lt;br&gt;(there) || i-e&lt;br&gt;(some place) || ĉ-i-e&lt;br&gt;(every place) || nen-i-e&lt;br&gt;(No place) || al-i-e&lt;br&gt;(elsewhere)
|-
! -o&lt;br&gt;(abstract thing) || k-i-o&lt;br&gt;(what) || t-i-o&lt;br&gt;(that) || i-o&lt;br&gt;(some thing) || ĉ-i-o&lt;br&gt;(every thing) || nen-i-o&lt;br&gt;(No thing) || al-i-o&lt;br&gt;(something else)
|-
! -a&lt;br&gt;(type/kind) || k-i-a&lt;br&gt;(what type, which kind) || t-i-a&lt;br&gt;(that type/kind) || i-a&lt;br&gt;(some/a type/kind) || ĉ-i-a&lt;br&gt;(every type/kind) || nen-i-a&lt;br&gt;(No type/kind) || al-i-a&lt;br&gt;(another kind)
|-
! -om&lt;br&gt;(quantity) || k-i-om&lt;br&gt;(how many) || t-i-om&lt;br&gt;(that many) || i-om&lt;br&gt;(some amount) || ĉ-i-om&lt;br&gt;(every amount) || nen-i-om&lt;br&gt;(No amount) || al-i-om&lt;br&gt;(another amount)
|-
! -am&lt;br&gt;(time) || k-i-am&lt;br&gt;(when) || t-i-am&lt;br&gt;(then) || i-am&lt;br&gt;(some time) || ĉ-i-am&lt;br&gt;(every time, always) || nen-i-am&lt;br&gt;(No time, never) || al-i-am&lt;br&gt;(another time)
|-
! -es&lt;br&gt;(ownership) || k-i-es&lt;br&gt;(whose) || t-i-es&lt;br&gt;(their) || i-es&lt;br&gt;(some/any one's) || ĉ-i-es&lt;br&gt;(everyone's) || neni-es&lt;br&gt;(noone's) || al-i-es&lt;br&gt;(someone else's)
|-
! -al&lt;br&gt;(causation) || k-i-al&lt;br&gt;(why) || t-i-al&lt;br&gt;(because) || i-al&lt;br&gt;(for some reason) || ĉ-i-al&lt;br&gt;(for all reasons) || nen-i-al&lt;br&gt;(for no reason) || al-i-al&lt;br&gt;(another reason)
|-
! -el&lt;br&gt;(method) || k-i-el&lt;br&gt;(how, in what method) || t-i-el&lt;br&gt;(in that method) || i-el&lt;br&gt;(in some method) || ĉ-i-el&lt;br&gt;(in every way) || nen-i-el&lt;br&gt;(in no way) || al-i-el&lt;br&gt;(another way)
|}

==Prepositions==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! preposition !! Meaning
|-
| al || to, toward
|-
| anstataŭ || instead of
|-
| antaŭ || before, in front of
|-
| apud || beside, near, nearby, near to, next to
|-
| ĉe || at (generic non-specific preposition)
|-
| ĉirkaŭ || about, around, circa
|-
| de ||  of, from, by
|-
| dum || during, for, while
|-
| ekde || since, starting/beginning at
|-
| el || from, out of
|-
| en || into, inside, inside of
|-
| ekster || outside, outside of
|-
| eksteren || outward, towards the outside of
|-
| ĝis || until, till
|-
| inter || among, between
|-
| kontraŭ || against, across from, in exchange for, opposed to, opposite
|-
| krom || except for, except, apart from, besides
|-
| kun || with, together with
|-
| laŭ || according to
|-
| malgraŭ || despite, in spite of
|-
| ol || than (more/less)
|-
| per || by means of, through use of
|-
| plus || numerically greater than
|-
| post || after, behind
|-
| po || at the rate of
|-
| por || on behalf of
|-
| preter || beyond
|-
| pri || about, concerning, on, upon
|-
| pro || because of
|-
| sen || without
|-
| sub || below, beneath
|-
| sur || upon, on top of
|-
| super || above, over
|-
| tra || through (as in a location, not through use/means of)
|-
| trans || across, beyond, on the other side of
|}
&lt;br&gt;

==Suffixes==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! Suffix !! Audio !! Meaning !! Example !! Audio !! Translation
|-
| -aĉ ||  || cheap, poor quality || dom-aĉ-o ||  || shack
|-
| -ad ||  || prolonged || parol-ad-i ||  || ramble
|-
| -aĵo ||  || to make a noun || sek-aĵ-o ||  || dry good
|-
| -an ||  || citizen, member of || Kanad-an-o ||  || Canadian
|-
| -ar ||  || group || Kanad-an-ar-o ||  || Canadians
|-
| -ĉj ||  || male nickname || pa-ĉj-o ||  || daddy
|-
| -ebl ||  || possibility || vid-ebl-a ||  || visible
|-
| -ec ||  || -ness || dolĉ-ec-o ||  || sweetness
|-
| -eg ||  || bigger || vent-eg-o ||  || gale
|-
| -ej ||  || to make a place || preĝ-ej-o ||  || church/temple (place of prayer)
|-
| -em ||  || tendency || ŝpar-em-a ||  || thrifty
|-
| -end ||  || should/must || leg-end-a ||  || that should be read
|-
| -er ||  || part of || sal-er-o ||  || grain of salt
|-
| -estr ||  || leader || Kanad-estr-o ||  || Prime-minister (Canadian leader)
|-
| -et ||  || smaller || rid-et-i ||  || smile (little laugh)
|-
| -id ||  || offspring || ĉeval-id-o ||  || colt
|-
| -ig ||  || to cause || pur-ig-i ||  || to make clean
|-
| -iĝ ||  || to become || ruĝ-iĝ-i ||  || blush (redden)
|-
| -il ||  || tool || ŝlos-il-o ||  || key (lock tool)
|-
| -in ||  || female || Kanad-an-in-o ||  || Canadian woman
|-
| -ind ||  || worthy || admir-ind-a ||  || admirable
|-
| -ist ||  || profession || Esperant-ist-o ||  || Esperanto teacher/speaker
|-
| -nj ||  || female nickname || pa-nj-o ||  || mommy
|-
| -obl ||  || times/-fold || du-obl-a ||  || double
|-
| -on ||  || part, fraction || kvar-on-o ||  || quarter
|-
| #op ||  || group || du-op-o ||  || pair, couple
|-
| -uj ||  || container || mon-uj-o ||  || purse/wallet
|-
| -ul ||  || person of trait || stult-ul-o ||  || fool
|}

==Colors==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:red&quot;
! root !! Akademio de Esperanto !! -o&lt;br&gt;(noun) !! -a&lt;br&gt;(adjective) !! -i&lt;br&gt;(verb) !! -e&lt;br&gt;(adverb) !! mal-&lt;br&gt;(opposite)
|-
|[[wikt:arĝenta|arĝent-]]||silver||[[wikt:silver|silver]] || [[wikt:silvery|silvery]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]	
|-
|[[wikt:blanka|blank-]]||white||[[wikt:white|white]] || [[wikt:light|light]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:dark|dark]]	
|-
|[[wikt:blonda|blond-]]||fair||[[wikt:blond|blond]] || [[wikt:blond|blond]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:blua|blu-]]||blue||[[wikt:blue|blue]] || [[wikt:blue|blue]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:bruna|brun-]]||brown||[[wikt:brown|brown]] || [[wikt:brown|brown]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ebona|ebon-]]||ebony||[[wikt:ebony|ebony]] || [[wikt:ebony|ebony]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:flava|flav-]]||yellow||[[wikt:yellow|yellow]] || [[wikt:yellow|yellow]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:griza|griz-]]||grey||[[wikt:gray|gray]] || [[wikt:gray|gray]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kobalta|kobalt-]]||cobalt||[[wikt:Cobalt|cobalt]] || [[wikt:cobalty|cobalty]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kolora|kolor-]]||color||[[wikt:color|color]] || [[wikt:colorfull|colorful]] || [[wikt:color|color]] || [[wikt:|w:]] || [[wikt:monochome|monochome]]
|-
|[[wikt:nigra|nigr-]]||black||[[wikt:black|black]] || [[wikt:dark|dark]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:light|light]]
|-
|[[wikt:oranĝa|oranĝ-]]||orange||[[wikt:orange|orange]] || [[wikt:orange|orange]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:pala|pal-]]||pale||[[wikt:|w:]] || [[wikt:pale|pale]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:purpura|purpur-]]||purple||[[wikt:purple|purple]] || [[wikt:purple|purple]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:roza|roz-]]||rose||[[wikt:pink|pink]] || [[wikt:pink|pink]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ruĝa|ruĝ-]]||red||[[wikt:red|red]] || [[wikt:red|red]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:skarlata|skarlat-]]||scarlet||[[wikt:scarlet|scarlet]] || [[wikt:scarlet|scarlet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:stria|stri-]]||stripe/streak||[[wikt:strip|strip]] || [[wikt:|w:]] || [[wikt:stripe|stripe]] || [[wikt:|w:]] || [[wikt:solid|solid]]
|-
|[[wikt:eo:turkisa|turkis-]]||turquoise||[[wikt:turquoise|turquoise]] || [[wikt:turquoise|turquoise]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:verda|verd-]]||green||[[wikt:green|green]] || [[wikt:green|green]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:viola|viol-]]||violet||[[wikt:violet|violet]] || [[wikt:violet|violet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|}

{{CourseCat}}</text>
      <sha1>jcsvvd0yen7p24652ljxxeiibyx3go5</sha1>
    </revision>
    <revision>
      <id>2822762</id>
      <parentid>2822756</parentid>
      <timestamp>2026-08-18T12:43:34Z</timestamp>
      <contributor>
        <username>Sdiabhon Sdiamhon</username>
        <id>2947922</id>
      </contributor>
      <minor />
      <comment>/* Correlatives */</comment>
      <origin>2822762</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9176" sha1="hbo8n1stchc6k73ljma9kq1zssbee42" xml:space="preserve">&lt;p style=&quot;background: #f2f2f2; border: 1px dashed #e6e6e6; padding-left: 3px; width: 100%; text-align: center;&quot;&gt;
[[Topic:Esperanto|Main page]]
&lt;/p&gt;
This is an attempt to create a convenient list of the roots and their meanings in English

Proper nouns have been omitted. - and should not be changed.

This has gotten too large for wiki to save it efficiently in its entirety so it has now been moved [http://home.ceneezer.com/esperanto/ to my site] where you can view in a more customized way, and can still contribute to it if you choose to login (ctrl+right-click).

==Personal Pronouns==
{| class=wikitable
|-
! colspan=2 | !! singular !! plural
|-
! colspan=2 | first person
| '''mi''' (I) || '''ni''' (we)
|-
! colspan=2 | second person
| colspan=2 align=center | '''vi''' (you)
|-
! rowspan=&quot;4&quot; | third&lt;br&gt;person !! masculine
| '''li''' (he) || rowspan=&quot;4&quot; | '''ili''' (they)
|-
! feminine
| '''ŝi''' (she)
|-
! [[Wiktionary:epicene|epicene]]
| '''ĝi''' (it)
|-
!neutral
|'''ri*''' (they)
|}

&lt;nowiki&gt;*&lt;/nowiki&gt;nonstandard, typically used as a third-gender pronoun and using it is called [[wikipedia:Ri_(pronoun)|''riismo'']] ''(they-ism)''

==Correlatives==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:lime&quot;
! Correlative Table !! K- !! T- !! (alone) !! Ĉ- !! Nen- || al-
(non-standard &amp; likely to cause confusion)
|-
! -u&lt;br&gt;(person/thing) || k-i-u&lt;br&gt;(who, which) || t-i-u&lt;br&gt;(that person/thing) || i-u&lt;br&gt;(some/a person/thing) || ĉ-i-u&lt;br&gt;(every person/thing) || nen-i-u&lt;br&gt;(No person/thing) || al-i-u&lt;br&gt;(someone else)
|-
! -e&lt;br&gt;(place, location) || k-i-e&lt;br&gt;(where) || t-i-e&lt;br&gt;(there) || i-e&lt;br&gt;(somewhere) || ĉ-i-e&lt;br&gt;(everywhere) || nen-i-e&lt;br&gt;(no place) || al-i-e&lt;br&gt;(elsewhere)
|-
! -o&lt;br&gt;(abstract thing) || k-i-o&lt;br&gt;(what) || t-i-o&lt;br&gt;(that thing) || i-o&lt;br&gt;(something) || ĉ-i-o&lt;br&gt;(everything) || nen-i-o&lt;br&gt;(No thing) || al-i-o&lt;br&gt;(something else)
|-
! -a&lt;br&gt;(type/kind) || k-i-a&lt;br&gt;(what type, which kind) || t-i-a&lt;br&gt;(that type/kind) || i-a&lt;br&gt;(some/a type/kind) || ĉ-i-a&lt;br&gt;(every type/kind) || nen-i-a&lt;br&gt;(No type/kind) || al-i-a&lt;br&gt;(another kind)
|-
! -om&lt;br&gt;(quantity) || k-i-om&lt;br&gt;(how many) || t-i-om&lt;br&gt;(that many) || i-om&lt;br&gt;(some amount) || ĉ-i-om&lt;br&gt;(every amount) || nen-i-om&lt;br&gt;(No amount) || al-i-om&lt;br&gt;(another amount)
|-
! -am&lt;br&gt;(time) || k-i-am&lt;br&gt;(when) || t-i-am&lt;br&gt;(then) || i-am&lt;br&gt;(some time) || ĉ-i-am&lt;br&gt;(every time, always) || nen-i-am&lt;br&gt;(No time, never) || al-i-am&lt;br&gt;(another time)
|-
! -es&lt;br&gt;(ownership) || k-i-es&lt;br&gt;(whose) || t-i-es&lt;br&gt;(of that one) || i-es&lt;br&gt;(some-/anyone's) || ĉ-i-es&lt;br&gt;(everyone's) || neni-es&lt;br&gt;(no-one's) || al-i-es&lt;br&gt;(someone else's)
|-
! -al&lt;br&gt;(causation) || k-i-al&lt;br&gt;(why) || t-i-al&lt;br&gt;(because) || i-al&lt;br&gt;(for some reason) || ĉ-i-al&lt;br&gt;(for all reasons) || nen-i-al&lt;br&gt;(for no reason) || al-i-al&lt;br&gt;(another reason)
|-
! -el&lt;br&gt;(way, method) || k-i-el&lt;br&gt;(how, in what way) || t-i-el&lt;br&gt;(in that way) || i-el&lt;br&gt;(in some way) || ĉ-i-el&lt;br&gt;(in every way) || nen-i-el&lt;br&gt;(in no way) || al-i-el&lt;br&gt;(another way)
|}

==Prepositions==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! preposition !! Meaning
|-
| al || to, toward
|-
| anstataŭ || instead of
|-
| antaŭ || before, in front of
|-
| apud || beside, near, nearby, near to, next to
|-
| ĉe || at (generic non-specific preposition)
|-
| ĉirkaŭ || about, around, circa
|-
| de ||  of, from, by
|-
| dum || during, for, while
|-
| ekde || since, starting/beginning at
|-
| el || from, out of
|-
| en || into, inside, inside of
|-
| ekster || outside, outside of
|-
| eksteren || outward, towards the outside of
|-
| ĝis || until, till
|-
| inter || among, between
|-
| kontraŭ || against, across from, in exchange for, opposed to, opposite
|-
| krom || except for, except, apart from, besides
|-
| kun || with, together with
|-
| laŭ || according to
|-
| malgraŭ || despite, in spite of
|-
| ol || than (more/less)
|-
| per || by means of, through use of
|-
| plus || numerically greater than
|-
| post || after, behind
|-
| po || at the rate of
|-
| por || on behalf of
|-
| preter || beyond
|-
| pri || about, concerning, on, upon
|-
| pro || because of
|-
| sen || without
|-
| sub || below, beneath
|-
| sur || upon, on top of
|-
| super || above, over
|-
| tra || through (as in a location, not through use/means of)
|-
| trans || across, beyond, on the other side of
|}
&lt;br&gt;

==Suffixes==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:palegreen&quot;
! Suffix !! Audio !! Meaning !! Example !! Audio !! Translation
|-
| -aĉ ||  || cheap, poor quality || dom-aĉ-o ||  || shack
|-
| -ad ||  || prolonged || parol-ad-i ||  || ramble
|-
| -aĵo ||  || to make a noun || sek-aĵ-o ||  || dry good
|-
| -an ||  || citizen, member of || Kanad-an-o ||  || Canadian
|-
| -ar ||  || group || Kanad-an-ar-o ||  || Canadians
|-
| -ĉj ||  || male nickname || pa-ĉj-o ||  || daddy
|-
| -ebl ||  || possibility || vid-ebl-a ||  || visible
|-
| -ec ||  || -ness || dolĉ-ec-o ||  || sweetness
|-
| -eg ||  || bigger || vent-eg-o ||  || gale
|-
| -ej ||  || to make a place || preĝ-ej-o ||  || church/temple (place of prayer)
|-
| -em ||  || tendency || ŝpar-em-a ||  || thrifty
|-
| -end ||  || should/must || leg-end-a ||  || that should be read
|-
| -er ||  || part of || sal-er-o ||  || grain of salt
|-
| -estr ||  || leader || Kanad-estr-o ||  || Prime-minister (Canadian leader)
|-
| -et ||  || smaller || rid-et-i ||  || smile (little laugh)
|-
| -id ||  || offspring || ĉeval-id-o ||  || colt
|-
| -ig ||  || to cause || pur-ig-i ||  || to make clean
|-
| -iĝ ||  || to become || ruĝ-iĝ-i ||  || blush (redden)
|-
| -il ||  || tool || ŝlos-il-o ||  || key (lock tool)
|-
| -in ||  || female || Kanad-an-in-o ||  || Canadian woman
|-
| -ind ||  || worthy || admir-ind-a ||  || admirable
|-
| -ist ||  || profession || Esperant-ist-o ||  || Esperanto teacher/speaker
|-
| -nj ||  || female nickname || pa-nj-o ||  || mommy
|-
| -obl ||  || times/-fold || du-obl-a ||  || double
|-
| -on ||  || part, fraction || kvar-on-o ||  || quarter
|-
| #op ||  || group || du-op-o ||  || pair, couple
|-
| -uj ||  || container || mon-uj-o ||  || purse/wallet
|-
| -ul ||  || person of trait || stult-ul-o ||  || fool
|}

==Colors==
{| border=&quot;1&quot; cellpadding=&quot;5&quot;
|-style=&quot;background:red&quot;
! root !! Akademio de Esperanto !! -o&lt;br&gt;(noun) !! -a&lt;br&gt;(adjective) !! -i&lt;br&gt;(verb) !! -e&lt;br&gt;(adverb) !! mal-&lt;br&gt;(opposite)
|-
|[[wikt:arĝenta|arĝent-]]||silver||[[wikt:silver|silver]] || [[wikt:silvery|silvery]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]	
|-
|[[wikt:blanka|blank-]]||white||[[wikt:white|white]] || [[wikt:light|light]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:dark|dark]]	
|-
|[[wikt:blonda|blond-]]||fair||[[wikt:blond|blond]] || [[wikt:blond|blond]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:blua|blu-]]||blue||[[wikt:blue|blue]] || [[wikt:blue|blue]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:bruna|brun-]]||brown||[[wikt:brown|brown]] || [[wikt:brown|brown]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ebona|ebon-]]||ebony||[[wikt:ebony|ebony]] || [[wikt:ebony|ebony]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:flava|flav-]]||yellow||[[wikt:yellow|yellow]] || [[wikt:yellow|yellow]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:griza|griz-]]||grey||[[wikt:gray|gray]] || [[wikt:gray|gray]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kobalta|kobalt-]]||cobalt||[[wikt:Cobalt|cobalt]] || [[wikt:cobalty|cobalty]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:kolora|kolor-]]||color||[[wikt:color|color]] || [[wikt:colorfull|colorful]] || [[wikt:color|color]] || [[wikt:|w:]] || [[wikt:monochome|monochome]]
|-
|[[wikt:nigra|nigr-]]||black||[[wikt:black|black]] || [[wikt:dark|dark]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:light|light]]
|-
|[[wikt:oranĝa|oranĝ-]]||orange||[[wikt:orange|orange]] || [[wikt:orange|orange]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:pala|pal-]]||pale||[[wikt:|w:]] || [[wikt:pale|pale]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:purpura|purpur-]]||purple||[[wikt:purple|purple]] || [[wikt:purple|purple]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:roza|roz-]]||rose||[[wikt:pink|pink]] || [[wikt:pink|pink]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:ruĝa|ruĝ-]]||red||[[wikt:red|red]] || [[wikt:red|red]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:skarlata|skarlat-]]||scarlet||[[wikt:scarlet|scarlet]] || [[wikt:scarlet|scarlet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
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|[[wikt:eo:turkisa|turkis-]]||turquoise||[[wikt:turquoise|turquoise]] || [[wikt:turquoise|turquoise]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
|-
|[[wikt:verda|verd-]]||green||[[wikt:green|green]] || [[wikt:green|green]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
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|[[wikt:viola|viol-]]||violet||[[wikt:violet|violet]] || [[wikt:violet|violet]] || [[wikt:|w:]] || [[wikt:|w:]] || [[wikt:|w:]]
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  <page>
    <title>Editing Internet Texts/Gemstones/Alexandrite</title>
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      <comment>/* Alexandrite */ I expanded the Alexandrite section with more insights identification, natural vs. lab-grown differentiation, professional gemological testing, and additional guidance on buying and caring for Alexandrite jewelry.</comment>
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      <text bytes="2116" sha1="07i8k7ptf5pjio5xtjsoy2jur8mj7r3" xml:space="preserve">=Alexandrite=

Alexandrite is one of the rarest and most valuable gemstones. It was discovered by chance during a search for emeralds near [[Wikipedia:Yekaterinburg|Yekaterinburg]] in 1833, on the day of [[Wikipedia:Alexander II of Russia|Alexander the Second's]] birthday anniversary (hence the name).&lt;ref&gt;''Minerały i kamienie szlachetne'' by RBA Collecionables, S.A., {{ISBN|978-83-7813-150-2}}, 2012.&lt;/ref&gt; It is a very valuable variety of [[Wikipedia:chrysoberyl|chrysoberyl]], which ranks as the third-hardest gemstone, right after [[Editing Internet Texts/Gemstones/Diamond|diamond]] and [[Wikipedia:corundum|corundum]]. 

Alexandrite changes its color depending upon the nature of ambient lighting. It is emerald-colored or grass-green in daylight and purple-reddish in artifical light. Its color varies also from red to orange-yellowish depending on the angle from which it is looked at. 

[[File:Alexandrite 26.75ctsCropped.jpg|thumb|right|Alexandrite]]

== Identification ==

A single color-changing property can't differentiate between natural and lab-grown. But an alexandrite gem is usually identified through properties like different color-changing effect, refractive index, specific gravity, inclusions and also other gemological properties. 

Professional gemological testing is required to determine whether the stone is natural or synthetic.

More useful insights about identification, buying, comparison with lab-grown, and caring for alexandrite jewelry are written here. [https://knowyourgem.com/2026/07/09/gemstone-alexandrite-best-1-hue-shift/ KnowYourGem's Alexandrite guide].


=Basic properties=
{| class=&quot;wikitable&quot;
|-
| '''Composition''' || Al&lt;sub&gt;2&lt;/sub&gt;BeO&lt;sub&gt;4&lt;/sub&gt;
|-
| '''Class'''|| Oxydes and hydroxydes
|-
| '''Crystal system''' || Rhombic
|-
| '''Mohs' hardness'''|| 8,5
|-
| '''Fracture''' || Conchoidal
|-
| '''Cleavage'''|| Imperfect
|-
| '''Lustre'''|| Glassy
|-
| '''Streak'''|| White
|-
| '''Localities''' || Tanzania, Brazil, Sri Lanka, Republic of South Africa, India, Zimbabwe, Tasmania
|}

=References=
{{Reflist}}

{{CourseCat}}

[[Category:Gemstones|Alexandrite]]</text>
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    <title>Social Victorians/People/Gwladys Robinson</title>
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      <text bytes="111962" sha1="kbv94ijg97lov6ob7z083beknbrwxy2" xml:space="preserve">{{Short description|Dress worn by Queen Victoria at her wedding to Prince Albert in 1840}}
= Sandbox =
Page to draft revisions for Wikipedia articles.

For Gwladys Robinson, see Gwladys Lowther Robinson, [[Social Victorians/People/Ripon|Marchioness of Ripon]] and, earlier, [[Social Victorians/People/Lowther|Countess of Lonsdale]]
==References==
{{reflist|2}}

[[Category:1840 works]]
[[Category:Royal wedding dresses|Victoria Queen]]
[[Category:1840s fashion]]
[[Category:British royal attire]]
[[Category:Dresses in the Royal Collection of the United Kingdom|Victoria, Wedding]]
[[Category:Diamond Jubilee of Queen Victoria]]

= Victorian fashion =
'''Victorian fashion''' consists of the various fashions and trends in [[Culture of the United Kingdom|British culture]] that emerged and developed in the [[United Kingdom of Great Britain and Ireland|United Kingdom]] and the [[British Empire]] throughout the [[Victorian era]], roughly from the 1830s through the 1890s. The period saw many changes in fashion, including changes in styles, fashion technology and the methods of distribution. Various movements in architecture, literature, and the [[decorative arts|decorative]] and [[visual arts]] as well as a changing perception of [[gender roles]] also influenced fashion.

Under [[Queen Victoria]]'s reign, England enjoyed a period of growth along with technological advancement. [[Mass production]] of sewing machines in the 1850s as well as the advent of synthetic dyes introduced major changes in fashion.&lt;ref name=&quot;:3&quot;&gt;{{Cite book|title=The Culture of Fashion|last=Breward|first=Christopher|publisher=Manchester University Press|year=1995|pages=145–180}}&lt;/ref&gt; Clothing could be made more quickly and cheaply. Fashion made more extreme and more rapid changes than it had in prior centuries.

Advancement in printing and proliferation of fashion magazines allowed the masses to participate in the evolving trends of high fashion, opening the market of mass consumption and advertising. By 1905, clothing was increasingly factory made and often sold in large, fixed-price department stores, spurring an age of consumerism with the rising middle classes, who benefited from the [[Industrial Revolution|industrial revolution]].&lt;ref name=&quot;:3&quot; /&gt;

==Women's fashions==
[[File:Fashions.jpg|thumb|upright|Illustration depicting fashions throughout the 19th century]]During the [[Victorian era|Victorian Era]], women generally inhabited the private, domestic sphere.&lt;ref&gt;{{Cite web|url=https://www.bl.uk/romantics-and-victorians/articles/gender-roles-in-the-19th-century|title=Gender roles in the 19th century|website=The British Library|access-date=2016-10-21|archive-date=8 July 2022|archive-url=https://web.archive.org/web/20220708075142/https://www.bl.uk/romantics-and-victorians/articles/gender-roles-in-the-19th-century|url-status=dead}}&lt;/ref&gt; Unlike in earlier centuries when women labored with their husbands and brothers or worked in family businesses, during the nineteenth century, gender roles became more rigidly defined. Farm labourers was no longer in such a high demand after the [[Industrial Revolution]], and women were more likely to perform domestic work or, if married, give up paid work entirely. Dress reflected these new lifestyles, and was, for the middle and upper classes, less utilitarian.&lt;p&gt;

Clothes were seen as an expression of women's place in society&lt;ref&gt;{{Cite book|title=Victorian and Edwardian Fashion - A Photographic Survey|last=Gernsheim|first=Alison|publisher=Dover Publications Inc.|year=1963|location=New York|pages=26}}&lt;/ref&gt; and were differentiated by [[social class]]. Most women wore a  [[corset]] over a [[chemise]], followed by a gown or [[skirt]] paired with a [[bodice]], [[blouse]], or [[chemisette]]. The shape of the skirt would be supported by layers of petticoats or, later in the period, structured support such as cage crinolines or bustles. The clothing of [[Upper class|upper-class women]], who generally did not do paid labor, was often elaborately decorated with more layers and [[Trim (sewing)|trims]]. [[Middle class|Middle-class women]] wore less complex dress styles with less expensive trim. [[Working class|Working-class]] clothing was simpler still, with less expensive fabric, fewer layers still and little trim. Including the undergarments, the amount of fabric in women's clothing made it much heavier and the construction made it much more restrictive than ours, especially in the waist (due to the boning in the corset) and the shoulders (due to the popularity of dropped shoulder seams). The amount, quality and type of fabric were displays of wealth and status.&lt;p&gt;

Throughout the 19th century, journalism targeting women increased enormously and addressed an increasingly more class-diverse audience. According to the ''Dictionary of Nineteenth-Century Journalism'',&lt;blockquote&gt;&lt;p&gt;

The closely allied fashion and women's journals can be divided into three phases: titles such as the ''Lady's Magazine'' continued eighteenth-century models, addressing readers as &quot;ladies&quot; and catering to a leisured, fashionable elite; a more domesticated format by the 1840s, targeting middle-class women with instructive and entertaining content including dressmaking and etiquette articles ...; finally, from the 1870s, a livelier, more engaging style of fashion reporting influenced by the New Journalism was integrated with an increased amount of imagery, including better quality fashion plates ....&lt;ref&gt;{{Cite book|title=Dictionary of Nineteenth-Century Journalism In Great Britain and Ireland|last=Beetham|first=Margaret Rachel|last2=A|first2=R|publisher=Academia Press and the British Library|year=2009|editor-last=Brake|editor-first=Laurel, and Marysa Demoor|location=Gent|pages=215a–c|chapter=Fashion Journals}}&lt;/ref&gt;&lt;/blockquote&gt;By the end of the century, women's periodicals were including patterns for dressmaking in their pages, reflecting the presence of middle- and working-class readers as well as technological change like sewing machines for home use and mass-produced fabrics and trim.[[File:1837 Dress.jpg|alt=This dress features a low waistline, and the bodice is worn over the hips to further emphasise the silhouette|thumb|upright|An undressed woman In 1837, featuring a fashionable hairstyle, busked corset, and layers of petticoats.]]It is important not to oversimplify the fashion of the Victorian age. The rate of change in fashion accelerated in the 19th century to the point that styles were distinctly different from one decade to the next (see &quot;When Was That Dress in Fashion?&quot;, above right). The styles of Elizabethan England, in contrast, changed much less extremely over the course of a century.

The most important characteristics for the analysis of 19th-century fashion include silhouette or line, corsets or stays, the neckline and the sleeves.[[File:The Engageants sleeves.jpg|thumb|Engageants, worn to fill open sleeves, were made of light fabrics like lace, linen, lawn or cambric.]]

* '''Silhouette''': Silhouette changed over time supported by the evolution of the foundation garments. In fact the line or silhouette of garments changed about every ten years. Just as outer clothing changed, foundation garments were also modified to give the wearer a different silhouette. Over the course of the century most Europeans and some in their colonies wore the same kinds of undergarments and similar outer garments. For example, wide skirts were supported by layers of petticoats that used woven horsehair to stiffen them.&lt;ref&gt;{{Cite web |title=Corsets, crinolines and bustles: fashionable Victorian underwear · V&amp;A |url=https://www.vam.ac.uk/articles/corsets-crinolines-and-bustles-fashionable-victorian-underwear |access-date=2025-10-27 |website=Victoria and Albert Museum |language=en}}&lt;/ref&gt; By 1856 the [[Crinoline|cage crinoline]] (a domed structure using steel bands and wires) replaced the petticoats, making the skirts lighter in weight and easier to walk in. The line of the outer garments was influenced by how full the skirt was, how small the waist was and its location relative to the natural waistline, how the sleeves were shaped, and how deep the neckline went.

* '''Corsets''': [[Corset]]s or stays were ubiquitous, providing adjustable bust and posture support, helping to shape the body into the fashionable silhouette and preventing horizontal creasing in the bodice. Foundation garments were constantly evolving throughout the century. Over the course of the century, almost all women and some men wore corsets. After the late 1850s, an individual could lace a corset without help.&lt;ref name=&quot;:24&quot;&gt;{{Cite book|title=Victorian Fashions for Women|last=Kay|first=Fiona|last2=Storey|first2=Neil R.|publisher=Pen &amp; Sword History|year=2022|isbn=978 1 39900 416 9|location=Yorkshire and Philadelphia|pages=30-31}}&lt;/ref&gt; Most corsets were constructed with a busk, &quot;(a flat length of whalebone, wood or steel) inserted in a channel down the centre to smooth out the front of the dress.&quot;&lt;ref&gt;{{Cite book|title=Victorian Fashions for Women|last=Kay|first=Fiona|publisher=Storey|year=Neil R.|isbn=978 1 39900 416 9|location=Yorkshire and Philadelphia|pages=13}}&lt;/ref&gt; The drawing of an undressed woman (above right) shows a self-laced corset with what may be a split busk.
* '''Neckline''': Necklines changed over the course of the century as bodices and sleeves evolved. The less formal daywear had a higher neckline, regardless of class and decade. For formal wear, which varied widely by class and kind of event, the neckline was often lower and off the shoulder and finished with a [[Collar (clothing)|bertha]] (lace collar or flounce) or multiple bands of fabric pleats. This [[décolletage|décolleté evening style]] popularized shawls or [[cape]]lets and required a [[Corsets|corset]] without shoulder straps. The fashion was for dressmakers to produce two bodices with each skirt, one closed décolletage for day and one décolleté for evening.

* '''Sleeves''': Over the course of the century, styles in sleeves changed radically and more than one sleeve style was fashionable at the same time. Some of the most popular styles included gigot, pagoda, ''engageants'' (see right), bishop and leg-of-mutton sleeves. The changes were in the [[armscye]], the wrist treatment, and the fullness at the shoulder, elbow and wrist. For example, as [[crinoline]]s began to appear in the 1850s, sleeves were shaped like large bells known as pagoda sleeves. [[Engageante]]s, or false sleeves, were stitched inside full or open sleeves like pagoda sleeves. They were easy to remove, launder and restitch into position.
Even though the changes in fashion over the century were sometimes rapid and extreme, they were also evolutionary.[[File:Dress - MET 1971.47.3a–e.jpg|thumb|English day dress, c. 1836, with bow details and puffed sleeves]]
=== 1830s dress style ===
[[File:Princess Victoria and Dash by George Hayter.jpg|alt=Old portrait of a teenage girl in a white formal dress, with a dog|thumb|Princess Victoria and her dog Dash, 1833|left]]During the beginning of Queen Victoria's reign in 1837, the fashionable silhouette was an hourglass shape with wide shoulders, emphasized by puffed [[gigot sleeves]], a full skirt, and a slim waist.

Corsets were extended over the abdomen and down towards the hips, and worn with a busk.&lt;ref name=&quot;:0&quot;&gt;{{Cite book|title=From Queen to Empress - Victorian Dress 1837-1877|last=Goldthorpe|first=Caroline|publisher=The Metropolitan Museum of Art|year=1988|location=New York|pages=23–24}}&lt;/ref&gt; A chemise was worn under the corset and cut relatively low in the neck so that it could not be seen. Over the corset was a tight-fitting bodice featuring a high, straight waistline. Under the ankle-length skirt were layers of petticoats&lt;ref name=&quot;:0&quot; /&gt; stiffened with horsehair. (Skirts would not be extremely full for another two decades.) To contrast with the narrow waist, necklines were low and wide. Queen Victoria's 1833 white dress (left) shows an off-the-shoulder neckline, a higher waist and an ankle-length skirt held out by horsehair. The c. 1836 yellow day dress (right) shows gigot sleeves, a higher neckline and a skirt held out by petticoats.

Always a mark of wealth and status, Princess Victoria's white dress shows that she is formally dressed, perhaps for court, although the pose itself suggests some informality as well.

=== 1840s dress style ===
The 1840s saw an increase in domestic magazines targeting women, along with new varieties in the weave of ready-made fabrics as well as new and much more vibrant colors because of the invention of aniline dyes. And the industrial revolution supplied women with more varieties of color and weave in ready-made fabrics. Cotton replaced silk as a basic fabric, especially among middle-class women because silk was expensive, limiting who could afford it. The elements of fashion changed rapidly during this transitional decade.[[File:Magasin för konst, nyheter och moder 1844, illustration nr 8.jpg|thumb|1844 [[fashion plate]] depicting fashionable clothing for men and women, including illustrations of a [[glove]], a fanchon, and [[Bonnet (headgear)|bonnets]]]]At the beginning of the 1840s, skirts began to widen and become dome shaped (because the skirt pieces changed from rectangles to gores, which are wider at the bottom). The waistline lowered with a point formed at the bottom of both the bodice and corset, which gave a rather rigid look to the silhouette. During this decade, the amount of trim decreased in general, although trim was still plentiful. In addition to the flowers, feathers, and ribbons many of the decorations on the dress were made of the fabric of the dress (tucks and pleats, flounces, ruffles). At the end of the decades waists rose to the natural waistline.[[File:Woman's_Dress_LACMA_M.2007.211.744_(1_of_7).jpg|left|thumb|English silk day dress of the second half of the 1840s, with dropped shoulder seams, tight sleeves, and a pointed waist.]]Although corsets narrowed the bodices and gave them a point in the early 1840s, by the end of the decade, they returned to the natural waistline. Necklines remained wide with further use of lace berthas to frame the upper body. At the end of the decade, necklines were raised and remained high.

Dresses were stiffer due to boning in the bodice as well as the corset. Skirts lengthened, while in 1847 widths increased with the introduction of the [http://3.bp.blogspot.com/-bOuPyjWzwT8/TuKx-x1R12I/AAAAAAAAAF0/oRs6AyGH0gw/s1600/CI53.51.15_B1870Amer.Horsehair.jpg horsehair crinoline], which was stiffened with horsehair and starch. The petticoats were numerous and became bulky and heavy and sometimes entangled the feet. Petticoats had another disadvantage: the number of waistbands increased with each additional petticoat. Skirts often had one or two flounces at the bottom that increased the look of fullness (see, for example, the 1844 fashion plate, right).

To achieve the narrow waist, skirts were attached to bodices using very tight organ [[pleat]]s secured at each fold.&lt;ref name=&quot;:1&quot;&gt;{{Cite book |last=Goldthorpe |first=Caroline |title=From Queen to Empress - Victorian Dress 1837-1877 |publisher=The Metropolitan Museum of Art |year=1988 |location=New York |pages=32}}&lt;/ref&gt; .

Sleeves narrowed with smaller decorative additions (see, for example, the English silk day dress, left). They eventually widened at the wrists into open pagoda-type sleeves requiring engageants to cover the forearms.

Shawls were used to convert a simple dress into a more formal outfit. The popularity of shawls grew because of the very soft and beautifully dyed and woven cashmere shawls from India with a paisley design (after the Scottish town that manufactured shawls).&lt;ref name=&quot;:24&quot; /&gt; (48 [of 298]) Head coverings were ''de regeur'', dominated by poke bonnets.&lt;ref name=&quot;:24&quot; /&gt; (51 [of 298]) (The mannequin in the English silk day dress, above left, is wearing a poke bonnet.) Cosmetics became more popular, with instructions The Handbook of the Toilette (anonymous, many editions beginning in 1839. Unfortunately many contained toxic elements like calcium oxide (or quicklime) found hair dye that was recommended to stay in the hair for 3 to 8 hours.&lt;ref name=&quot;:24&quot; /&gt; (47 [of 298])

By the end of the 1840s skirts were more dome shaped, necklines were higher and wider and sleeves broadened at the bottom. [[File:1850's Evening Dress.jpg|thumb|Picture of 1850s evening dress with a bertha neckline]]
=== 1850s dress style ===
[[File:Ensemble_MET_DT6845.jpg|left|thumb|A day ensemble ca. 1855, featuring tiers of ruffles and pagoda style sleeves.]]
In the 19th century, the United Kingdom &quot;was one of the most industrially advanced countries in the world, by the early 1850s there were thousands of steam-powered looms churning out millions of miles of fabric every year.&quot;  [page 62]

London published nine fashion magazines by 1850 and fourteen by 1859. Some were aimed at middle class women, making haute couture available to more buyers. According to the ''Dictionary of Nineteenth-Century Journalism'', &quot;The 1850s and 1860s saw the eclipse of the older ladies' journals [that began in the 18th century and targeted upper-class women] and the emergence of the magazine for middle-class ... women.&quot;&lt;ref&gt;{{Cite book|title=Dictionary of Nineteenth-Century Journalism In Great Britain and Ireland.|last=Beetham|first=Margaret Rachel|publisher=Academia Press and the British Library|year=2009|editor-last=Brake|editor-first=Laurel, and Marysa Demoor|location=Gent|pages=683–684|chapter=Women's Periodicals}}&lt;/ref&gt; (684)

==== Silhouette ====
The silhouette of dresses changed subtly over the course of the decade, with the most obvious changes caused by changes in the foundation garments. In the design of the dresses, the changes were evolutionary.

A few major changes made it more possible for women to select what they wanted to wear. The amount of information and fabric available to women — most women could sew and due to reforms in education, more women could read — gave them opportunities for choosing their own clothing.

The number of flounces and ruffles on the skirt increased, making the skirt look wider.

==== Foundations ====
In 1856, the invention of the first [[Crinoline|cage crinoline]] allowed for even wider skirts. The cage crinoline was constructed by joining thin metal strips together to form a circular structure that could support the large width of the skirt. This was made possible by technology which allowed iron to be turned into steel, which could then be drawn into fine wires.&lt;ref name=&quot;:3&quot; /&gt; Although often ridiculed by journalists and cartoonists of the time as the crinoline swelled in size, this innovation freed women from the heavy weight of petticoats.&lt;ref name=&quot;:4&quot;&gt;{{Cite book |last=Steele |first=Valerie |url=https://archive.org/details/fashioneroticism0000stee |title=Victorian Fashion. Fashion and Eroticism: Ideals of Feminine Beauty from the Victorian Era to the Jazz Age |publisher=Oxford University Press |year=1985 |isbn=978-0-19-503530-8 |pages=[https://archive.org/details/fashioneroticism0000stee/page/51 51]–84 |url-access=registration}}&lt;/ref&gt;

The cage crinoline was another significant change in 1850s fashion that was not seen on the outside garment. It was the foundation for the huge dome-shaped skirts that dominated the decade. Steel had been refined to a malleable state allowing thin blades to be curved into concentric circles and connected with wires to hold the fullness of the skirt. It was safer to walk in a cage because the skirt was held away from the feet and legs of the wearer. Without innumerable petticoats more women began to wear drawers or &quot;pantalettes&quot; for modesty and warmth. The cage foundation changed the way skirts were cut. Instead of rectangles, gores were cut with one end of the skirt piece wider than the other end. This prevented the bulkiness of gathered fabric at the waist and created a skirt bottom much wider than the top. Corsets lost their straps by 1850.  Busks in the front of the corset were split by Jean Julien Joselin in 1829. But the closure wouldn’t stay closed until 1848 when Joseph Cooper patented the &quot;slot and stud&quot; which is still in use today.  75 of 298  

Two other developments during the 1850s completely changed the way women thought of fashion. In 1858 Isaac Merritt Singer began to sell &quot;lightweight domestic machines&quot; for home sewing. 91 of 298  Meanwhile, the invention of synthetic dyes made brighter colours more accessible and women experimented with gaudy or saturated colours.&lt;ref name=&quot;:3&quot; /&gt; Chemist William Perkin discovered aniline dye in 1856. Colors were much more vivid and vibrant and remained so for longer.  92 of 298  Both of these patents had significant effects on the fashion industry.

Bloomers, designed by Amelia Jenks Bloomer,  introduced bifurcated garments for women. These were essentially trousers or pants with a seam between the legs. Even in pantalettes there was no seam between the legs; it was simply left open. This experiment failed and women didn’t wear pants until the 20th century.

==== Neckline ====
With trim and a front closure in the corset and the bodice, the bodice emphasized a distinct V-shape. Necklines of day dresses were sometimes cut into a V-shape, causing a need to cover the bust area with a chemisette. For evening, a wide, low neckline was popular, often with a [[Collar (clothing)|bertha]].&lt;ref name=&quot;h608&quot;&gt;{{cite book |last=Arnold |first=Janet |title=Patterns of fashion. 2: Englishwomen's dresses and their construction: 1860 - 1940 |date=1993 |publisher=MacMillan |isbn=978-0-89676-027-1 |publication-place=London |page=}}&lt;/ref&gt;

==== Sleeves ====
Pagoda sleeves and under sleeves (''engageants'') continued to be popular for most of the decade.

Concl

Both Amelia Bloomer and Isaac Singer were Americans [[File:1856 Cage Crinoline.jpg|alt=1st patented cage crinoline.Fullness of the skirt is even further emphasised.|thumb|A print displaying the fashionable silhouette of the 1850s and then the cage crinoline needed to support it.]]


=== 1860s dress style ===
[[File:Mrs_Ellinor_Guthrie_by_Frederic_Leighton.jpg|thumb|English dress in 1864, showcasing bishop sleeves and simple trim.]]
The 1860s saw the shape of skirts change from bouffant and domelike to conical and somewhat elliptical, with more fullness in the back. Trims simplified and became more geometric with skirts simplifying from pleats to gored panels.&lt;ref name=&quot;w586&quot;&gt;{{cite book |last=Arnold |first=Janet |title=Patterns of fashion. 2: Englishwomen's dresses and their construction: 1860 - 1940 |date=1993 |publisher=MacMillan |isbn=0-333-13607-1 |publication-place=London |page=}}&lt;/ref&gt; 
[[File:Woman's_silk_taffeta_dress_c._1865.jpg|left|thumb|An English silk morning dress from 1865, with machine-made lace.]]
During the first half of the 1860s, crinolines began decreasing in size at the top, while retaining their volume at the bottom, creating a more pyramidal shape.&lt;ref name=&quot;:2&quot;&gt;{{Cite book|title=From Queen to Empress - Victorian Dress 1837-1877|last=Goldthorpe|first=Caroline|publisher=The Metropolitan Museum of Art|year=1988|location=New York|pages=26}}&lt;/ref&gt; Bodices remained relatively unchanged, ending at the natural waistline with wide [[Sleeve|pagoda sleeves]] or bishop sleeves. By the middle of the decade, the shape of the crinoline became flatter in the front and more voluminous behind, often with a train, requiring an elliptical crinoline. In 1868, skirt widths diminished even further, while fullness and length remained at the back. In order to emphasize the back, the train was gathered together to form soft folds and [[Drapery|draperies]].&lt;ref&gt;{{Cite book|title=Making Victorian Costumes for Women|last=Audin|first=Heather|publisher=Crowood|year=2015|pages=45}}&lt;/ref&gt;&lt;ref&gt;{{Cite book |last=Goldthorpe |first=Caroline |title=From Queen to Empress - Victorian Dress 1837-1877 |publisher=The Metropolitan Museum of Art |year=1988 |location=New York |pages=45}}&lt;/ref&gt;

=== 1870s dress style ===
[[File:1870's Dress.jpg|alt=Dresses featuring the Bustle &amp; Polonaise|left|thumb|A fashion plate of early 1870s day and evening dress.]]The style of the 1870s was characterized by an abundance of draperies and trims, beginning the [[1775–1795 in Western fashion|rococo]] revival. The trend for broad skirts slowly disappeared during the 1870s, as women started to prefer a slimmer silhouette. The waistline of the early 1870s was high, necklines varied, while armscye remained off the shoulder. An [[overskirt]] was extremely popular, often tied up into an apron effect at the front with a [[Polonaise (clothing)|polonaise]] or puffed draperies at the back.&lt;ref name=&quot;g4223&quot;&gt;{{cite book |last=Cunnington |first=Cecil Willett |title=English Women's Clothing in the Nineteenth Century |date=1990-05-01 |publisher=Courier Corporation |isbn=0-486-26323-1 |publication-place=New York |page=}}&lt;/ref&gt;
[[File:Black_net_ball_dress_1874.png|thumb|A black net ball dress from 1874, with back draperies and an overskirt.]]
Over time, the overskirt shortened into a detached [[Basque (clothing)|basque]], resulting in an elongation of the bodice over the hips. As the bodices grew longer in 1873, the [[Polonaise (clothing)|polonaise]] was thus introduced into the Victorian dress styles. A polonaise is a garment featuring both an overskirt and bodice together. The [[tournure]] was also introduced, and along with the polonaise, it created an illusion of an exaggerated rear end.

By 1874, skirts began to taper in the front and were adorned with trimmings, while sleeves tightened around the wrist area. Towards 1875 to 1876, bodices featured long but even tighter laced waists, and converged at a sharp point in front. Bustles lengthened and slipped even lower, causing the fullness of the skirt to further diminish. Extra fabric was gathered together behind in pleats, thus creating a narrower but longer tiered, draped train too. Due to the longer trains, petticoats had to be worn underneath in order to keep the dress clean.
[[File:Woman's_Polonaise_Dress_LACMA_M.2007.211.777a-f_(1_of_4).jpg|left|thumb|An English sheer summer dress with polonaise from around 1875.]]
In 1877, dresses moulded to fit the figure,&lt;ref name=&quot;:2&quot; /&gt; as increasingly slimmer silhouettes were favored. This was allowed by the invention of the cuirass bodice, which extends downwards to the hips and upper thighs. Although dress styles took on a more natural form, corsetry was still required and the train was often supported with a cage. The armscye, for the first time in the period, moved from a dropped position up to the shoulders and would remain there for the rest of the era.

=== 1880s dress style ===
[[File:1885 Bustle.jpg|alt=Horizontal protrusion at the back.|thumb|The lobster tail bustle of around 1885.]]

The saw the growing popularity of austere, menswear inspired tailoring.&lt;ref name=&quot;:4&quot; /&gt; Some credited the change in silhouette to the [[Victorian dress reform]], which consisted of a few movements including the [[Artistic Dress movement|Aesthetic Costume]] Movement and the [[Victorian dress reform|Rational Dress Movement]] in the mid-to-late Victorian Era advocating for a natural silhouette and lightweight underwear, and rejecting [[tightlacing]]. However, these movements did not gain widespread support. Others noted the growth in cycling and tennis as acceptable feminine pursuits that demanded a greater ease of movement in women's clothing.&lt;ref name=&quot;:3&quot; /&gt; Still others argued that the growing popularity of tailored semi-masculine suits was simply a fashionable style, and indicated neither advanced views nor the need for practical clothes.&lt;ref name=&quot;:4&quot; /&gt;
[[File:Edward_Hughes_-_Juliette_Gordon_Low_-_Google_Art_Project.jpg|left|thumb|An 1887 portrait of English evening dress with higher shoulder placement, simple trims, and a V-shaped neckline.]]
After a period of slim, train-less skirts with heavy decoration, the bustle made a re-appearance in 1883, and it featured a further exaggerated horizontal protrusion at the back. Due to the additional fullness, drapery moved towards the sides or front panel of the skirt instead. Bodices shortened, now ending above the hips. Skirts were much less full than the last time the bustle was in fashion in the 1870s and instead focused on a slim front with a shelf-like back protrusion.

Sleeves of bodices were thinner and tighter, while necklines became higher again, with a high collar being ubiquitous for daytime, a trend that would continue into the 1890s. For the evening, the bertha fell out of favor, replaced by V-shaped necklines or draped styles due to the new higher shoulder.&lt;ref name=&quot;g4223&quot;/&gt;

Sleeves tightened again during the [[1880s in Western fashion|1880s]] and the armscye moved back up the shoulders.&lt;ref name=&quot;y040&quot;&gt;{{cite book |last=Severa |first=Joan L. |title=Dressed for the Photographer |date=1995 |publisher=Kent State University Press |isbn=0-87338-512-8 |publication-place=Kent, Ohio |page=}}&lt;/ref&gt;

=== 1890s dress style ===
[[File:Lady_Beatrice_Pole-Carew.jpg|thumb|English socialite Lady Beatrice Pole-Carew in the mid-1890s, with puffed sleeves.]]
By 1890, the crinoline and bustle were fully abandoned, and skirts flared in an A-line. Necklines were high, while sleeves of bodices initially peaked at the shoulders, but increased in size in the middle of the decade to a puffed [[Sleeve|leg-of-mutton]] style.The sleeves grew to a volume rivaling the 1830s and even sometimes required a cushion to retain their fullness. This sleeve style narrowed down towards the end of the decade. Women also adopted the style of the tailored jacket during this period, with menswear influences such as necktie inspired neckwear continuing from the previous decade.

== Hats and headwear ==
[[File:Ford.madox.brown.last.emma.study.jpg|thumb|''Emma Hill'' by [[Ford Madox Brown]] (1853), a woman wearing a later version of the [[poke bonnet]]]]
[[File:Hoed,_objectnr_KA_1237.tif|left|thumb|Perched bonnet style of the early 1870s.]]
Hats were crucial to a respectable appearance for both men and women. To go bareheaded was simply not proper. The top hat, for example, was standard formal wear for upper- and middle-class men.&lt;ref name=&quot;:4&quot; /&gt; For women, the styles of hats changed over time and were designed to match their outfits.

During the early Victorian decades, hats were modest in size and design, straw and fabric bonnets being the popular choice. [[Poke bonnet]]s, which had been worn during the late [[Regency period]], had high, small crowns and brims that grew larger until the 1830s, when the face of a woman wearing a poke bonnet could only be seen directly from the front. They had rounded brims, echoing the rounded form of the bell-shaped hoop skirts.

Bonnets shrunk at the end of the 1860s and moved to a perched position in the early 1870s as hairstyles grew in scale and intricacy. This led to the popularization of hats, which became the headwear of choice for the remainder of the Victorian era.&lt;ref name=&quot;g4223&quot;/&gt;
[[File:The_London_and_Paris_ladies'_magazine_(Apr_1885)_03.png|thumb|Flower pot style hat of 1885.]]
The 1880s saw a hat inspired by the top hat for women known as the flowerpot hat, and the 1890s saw the popularity of the boater. The hats of the late Victorian era were covered with elaborate creations of silk flowers, ribbons, and above all, exotic plumes; hats sometimes included entire exotic birds that had been stuffed. Many of these plumes came from birds in the Florida everglades, which were nearly made entirely extinct by overhunting. By 1899, early environmentalists like [[Adeline Knapp]] were engaged in efforts to curtail the hunting for plumes. By 1900, more than five million birds a year were being slaughtered, and nearly 95 per cent of Florida's shore birds had been killed by [[Plume hunting|plume hunter]]s.&lt;ref&gt;{{cite web|title=Everglades National Park|url=https://www.pbs.org/nationalparks/parks/everglades/|archive-url=https://web.archive.org/web/20090927085907/http://www.pbs.org/nationalparks/parks/everglades/|url-status=dead|archive-date=27 September 2009|publisher=PBS|access-date=7 November 2011}}&lt;/ref&gt;

== Shoes ==
The women's shoes of the early Victorian period were narrow and heelless, in black or white satin. By 1850s and 1860s, they were slightly broader with a low heel and made of leather or cloth. Ankle-length laced or buttoned boots were also popular. From the 1870s to the twentieth century, heels grew higher and toes more pointed. Low-cut pumps were worn for the evening.&lt;ref name=&quot;:4&quot; /&gt;

== Cosmetics ==
[[Victorian-era cosmetics]] were typically minimal, as makeup was associated by the middle classes with promiscuity. However, small amounts of pale face powder or powdered blush were more widely used.&lt;ref&gt;{{Cite book |last=Goodman |first=Ruth |title=How to be a Victorian |date=2014 |publisher=Penguin Books |isbn=978-0-670-92136-2 |location=London}}&lt;/ref&gt; Some cosmetics contained toxic or caustic ingredients like lead, mercury, ammonia, and arsenic {{Citation needed|date=October 2025}}.

Hair color

== Men's fashion ==
[[File:Mens Coats 1872 Fashion Plate.jpg|thumb|upright|Drawing of Victorian men 1870s]]

During the [[1840s in fashion|1840s]], men wore tight-fitting, calf length [[frock coat]]s and a [[waistcoat]] or vest. Sleeves were full at the top and waists were tight, creating an hourglass form. Waistcoats were single- or double-breasted, with shawl or notched collars, and might be finished in double points at the lowered waist. For more formal occasions, a cutaway morning coat was worn with light trousers during the daytime, and a dark tail coat and trousers was worn in the evening. Shirts were made of linen or cotton with low collars, occasionally turned down, and were worn with wide [[Cravat (early)|cravat]]s or neck ties. Trousers had fly fronts, and [[breeches]] were used for formal functions and when horseback riding. Men wore [[top hat]]s, with wide brims in sunny weather.

During the [[1850s in fashion|1850s]], men started wearing shirts with high upstanding or turnover [[collar (clothing)|collars]] and [[necktie#Four-in-hand|four-in-hand necktie]]s tied in a bow, or tied in a knot with the pointed ends sticking out like &quot;wings&quot;. The upper-class continued to wear top hats, and [[bowler hat]]s were worn by the working class.

In the [[1860s in fashion|1860s]], men started wearing wider neckties that were tied in a bow or looped into a loose knot and fastened with a stickpin. Frock coats were shortened to knee-length and were worn for business, while the mid-thigh length [[sack coat]] slowly displaced the frock coat for less-formal occasions, with the overall effect of a looser silhouette. Top hats briefly became the very tall &quot;stovepipe&quot; shape, but a variety of other hat shapes were popular.

During the [[1870s in fashion|1870s]], three-piece suits grew in popularity along with patterned fabrics for shirts. Neckties were the four-in-hand and, later, the [[Ascot tie]]s. A narrow ribbon tie was an alternative for tropical climates, especially in the Americas. Both frock coats and sack coats became shorter and more form fitting. Flat straw boaters were worn when boating.

During the [[1880s in fashion|1880s]], formal evening dress remained a dark tail coat and trousers with a dark waistcoat, a white bow tie, and a shirt with a winged collar. In mid-decade, the dinner jacket or [[tuxedo]], was used in more relaxed formal occasions. The [[Norfolk jacket]] and tweed or woolen breeches were used for rugged outdoor pursuits such as shooting. Knee-length topcoats, often with contrasting velvet or fur collars, and calf-length overcoats were worn in winter. Men's shoes had higher heels and a narrow toe.

Starting from the [[1890s in fashion|1890s]], the [[blazer]] was introduced, and was worn for sports, sailing, and other casual activities.&lt;ref&gt;{{cite web|last=Landow|first=George|url=http://www.victorianweb.org/art/costume/90s/2.html|title=Men's informal sporting dress, late 1880s and '90s}}&lt;/ref&gt;

Throughout much of the Victorian era most men wore fairly short hair.  This was often accompanied by various forms of facial hair including moustaches, side-burns, and full beards.  A clean-shaven face did not come back into fashion until the end of the 1880s and early 1890s.&lt;ref&gt;{{cite web|url=http://www.victorianweb.org/art/costume/nunn21.html|title=Victorian Men's Fashions, 1850–1900: Hair}}&lt;/ref&gt;

Distinguishing what men really wore from what was marketed to them in periodicals and advertisements is difficult, as reliable records do not exist.&lt;ref name=&quot;shannon597&quot;&gt;{{cite journal|last=Shannon|first=Brent|title=Refashioning Men: Fashion, Masculinity, and the Cultivation of the Male Consumer in Britain, 1860–1914|journal=Victorian Studies|year=2004|volume=46|issue=4|pages=597–630|doi=10.1353/vic.2005.0022}}&lt;/ref&gt;

Influence of Bertie, Albert Edward, Prince of Wales

==Mourning black==
{{See also |Mourning stationery}}
[[File:The royal children in mourning Mar 1862.jpg|thumb|Victoria's five daughters (Alice, Helena, Beatrice, Victoria and Louise), photographed wearing mourning black beneath a bust of their late father, Prince Albert (1862)]]
[[File:Mourning dress MET 50.40.3a-b front CP4.jpg|alt=Black Victorian mourning dress|thumb|Mourning Dress, 1894–95]]

In Britain, black is the colour traditionally associated with mourning for the dead. The customs and etiquette expected of men, and especially women, were rigid during much of the Victorian era. The expectations depended on a complex hierarchy of close or distant relationship with the deceased. The closer the relationship, the longer the mourning period and the wearing of black. The wearing of full black was known as First Mourning, which had its own expected attire, including fabrics, and an expected duration of 4 to 18 months. Following the initial period of First Mourning, the mourner would progress to Second Mourning, a transition period of wearing less black, which was followed by Ordinary Mourning, and then Half-mourning. Some of these stages of mourning were shortened or skipped completely if the mourner's relationship to the deceased was more distant. Half-mourning was a transition period when black was replaced by acceptable colours such as lavender and mauve, possibly considered acceptable transition colours because of the tradition of [[Church of England]] (and [[Catholic Church|Catholic]]) clergy wearing lavender or mauve [[Stole (vestment)|stoles]] for funeral services, to represent the [[Passion (Christianity)|Passion of Christ]].&lt;ref&gt;{{cite web|title=The Colors of the Church Year|url=http://fullhomelydivinity.org/articles/colors.htm|publisher=Consortium of Country Churches|access-date=6 November 2011|archive-date=13 November 2011|archive-url=https://web.archive.org/web/20111113075214/http://fullhomelydivinity.org/articles/colors.htm|url-status=dead}}&lt;/ref&gt;

The mourning dress on the right was worn by Queen Victoria, &quot;it shows the traditional touches of mourning attire, which she wore from the death of her husband, Prince Albert (1819–1861), until her own death.&quot;&lt;ref&gt;{{Cite web|url=https://www.metmuseum.org/art/collection/search/155839?&amp;searchField=All&amp;sortBy=Relevance&amp;deptids=8&amp;ft=queen+victoria&amp;offset=0&amp;rpp=20&amp;amp;pos=2|title=Mourning Dress, 1894–95|last=The Metropolitan Museum of Art|date=7 September 2019|website=The Metropolitan Museum of Art|access-date=7 September 2019}}&lt;/ref&gt;

=== Norms for mourning===

''Manners and Rules of Good Society, or, Solecisms to be Avoided'' (London, Frederick Warne &amp; Co., 1887) gives clear instructions, such as the following:&lt;ref&gt;{{cite book|last=Flanders|first=Judith|title=The Victorian House|year=2003|publisher=Harper Perennial|location=London|isbn=0-00-713189-5|pages=378–83}}&lt;/ref&gt;

{| class=&quot;wikitable&quot;
|-
! Relationship to deceased !! First mourning !! Second mourning !! Ordinary mourning !! Half-mourning
|-
| Wife for husband || 1-year, 1-month; [[bombazine]] fabric covered with [[Crape|crepe]]; [[widow's cap]], [[lawn cuff]]s, collars || 6 months: less crepe || 6 months: no crepe, silk or wool replaces bombazine; in last 3 months jet jewellery and ribbons can be added || 6 months: colours permitted are grey, lavender, mauve, and black-and-grey
|-
| Daughter for parent || 6 months: black with black or white crepe (for young girls); no linen cuffs and collars; no jewellery for first 2 months || 4 months: less crepe ||  –  || 2 months as above
|-
| Wife for husband's parents || 18 months in black bombazine with crepe || – || 3 months in black || 3 months as above
|-
| Parent for son- or daughter-in-law's parent || – Black armband in representation of someone lost || – || 1-month black || –
|-
| Second wife for parent of a first wife || – || – || 3 months black || –
|}

The complexity of these etiquette rules extends to specific mourning periods and attire for siblings, step-parents, aunts and uncles distinguished by blood and by marriage, nieces, nephews, first and second cousins, children, infants, and &quot;connections&quot; (who were entitled to ordinary mourning for a period of &quot;1–3 weeks, depending on level of intimacy&quot;). Men were expected to wear mourning black to a lesser extent than women, and for a shorter mourning period. After the mid-19th century, men would wear a black hatband and black suit, but for only half the prescribed period of mourning expected of women. Widowers were expected to mourn for a mere three months, whereas the proper mourning period expected for widows was up to four years.&lt;ref&gt;{{cite book|last=Flanders|first=Judith|title=The Victorian House|year=2003|publisher=Harper Perennial|location=London|isbn=0-00-713189-5|pages=378–9}}&lt;/ref&gt; Women who mourned in black for longer periods were accorded great respect in public for their devotion to the departed, the most prominent example being Queen Victoria herself.

Women with lesser financial means tried to keep up with the example being set by the middle and upper classes by dyeing their daily dress. Dyers made most of their income during the Victorian period by dyeing clothes black for mourning.&lt;ref&gt;{{cite book|last=Flanders|first=Judith|title=The Victorian House|year=2003|publisher=Harper Perennial|location=London|isbn=0-00-713189-5|page=341}}&lt;/ref&gt;

== Technological advancement ==
Technological advancements not only influenced the economy but brought a major change in the fashion styles worn by men and women. As the Victorian era was based on the principles of gender, race and class.&lt;ref&gt;{{cite journal|last1=Graham|first1=P|title=The Victorian Era|url=https://archive.org/details/in.ernet.dli.2015.261548|journal=Digital Library of India}}&lt;/ref&gt; Much advancement was in favor of the upper class as they were the ones who could afford the latest technology and change their fashion styles accordingly.  In 1830s there was introduction of horse hair crinoline that became a symbol of status and wealth as only the upper-class women could wear it.  In 1850s there were more fashion technological advancements hence 1850s could rightly be called a revolution in the Victorian fashion industry such as the innovation of artificial cage crinoline that gave women an artificial hourglass silhouette without layers of petticoats, which was lighter and more hygienic.&lt;ref&gt;{{cite book|last1=Shrimpton|first1=J|title=Victorian Fashion|publisher=Bloomsbury Shire Publications}}&lt;/ref&gt; Synthetic dyes, such as [[mauveine]] (aniline purple), were introduced in 1856, adding bright colours to garments. In 1855's ''[[Haute couture]]'' was introduced as tailoring became more mainstream in years to follow.&lt;ref&gt;{{cite book|last1=Aspelund|first1=Karl|title=Fashioning Society|publisher=Fairchild Books}}&lt;/ref&gt;

Charles Frederick Worth, a prominent English designer, became popular amongst the upper class though its city of destiny always is Paris. Haute couture became popular at the same time that sewing machines were invented.&lt;ref name=&quot;Haute Couture&quot;&gt;{{cite book|last1=Martin|first1=Richard|last2=Koda|first2=Harold|title=Haute Couture|publisher=The Metropolitan Museum of Art}}&lt;/ref&gt; Princess [[Eugénie de Montijo|Eugenie]] of France wore the Englishman dressmaker, Charles Frederick Worth's couture and he instantly became famous in France though he had just arrived in Paris a few years ago. In 1855, Queen Victoria and Prince Albert of Britain welcomed [[Napoleon III]] and Eugenie of France to a full state visit to England. Eugenie was considered a fashion icon in France. Queen Victoria, who had been the fashion icon for European high fashion, was inspired by Eugenie's style and the fashions she wore.{{Citation needed|date=October 2025}} Later, Queen Victoria also appointed Charles Frederick Worth as her dress maker and he became a prominent designer amongst the European upper class. Charles Frederick Worth is known as the father of the haute couture as later the concept of labels were also invented in the late 19th century as custom, made to fit tailoring became mainstream.&lt;ref&gt;{{cite book|last1=Saillard|first1=Olivier|last2=Zazzo|first2=Anne|title=Paris Haute Couture|publisher=Skira Flammarion}}&lt;/ref&gt;

By the 1860s, when made-to-fit tailoring was popular in Europe, crinolines were considered impractical. In the 1870s, women preferred more slimmer silhouettes, hence bodices grew longer and the polonaise, a skirt and bodice made together, was introduced. In 1870s the Cuirass Bodice, a piece of armour that covers the torso and functions like a corset, was invented. Towards the end of Victoria's reign, dresses were flared naturally as crinolines were rejected by middle-class women. Designers such as Charles Frederick Worth were also against them. All these inventions and changes in fashion led to women's liberation as tailored looks improved posture and were more practical.&lt;ref name=&quot;Haute Couture&quot;/&gt;

dressmakers, couturiers, modistes

== Home decor ==
{{main|Victorian decorative arts}}

Home decor started spare, veered into the elaborately draped and decorated style we today regard as Victorian, then embraced the retro-chic of [[William Morris]] as well as pseudo-[[Japonaiserie]].

== Myths and Oversimplifications ==

=== Modesty ===
{{main|Victorian morality}}
{{Original research|section|date=May 2008}}
[[File:1868-skirt-lengths-girl-ages-Harpers-Bazar.gif|thumb|upright|&quot;The proper length for little girls' skirts at various ages&quot;, from ''[[Harper's Bazaar]]'', showing a 1900 idea of how the hemline should descend towards the ankle as a girl got older]]Many myths and exaggerations about the period persist to the modern day. Examples include the idea of men's clothing is seen as formal and stiff, women's as elaborate and over-done; clothing covered the entire body, and even the glimpse of an ankle was scandalous. Critics contend that [[corset]]s constricted women's bodies and lives. Homes are described as gloomy, dark, cluttered with massive and over-ornate furniture and proliferating [[bric-a-brac]]. Myth has it that even piano legs were scandalous, and covered with tiny [[pantalette]]s.

==== Tight Lacing ====
Tight-lacing, which was not possible until the development of the grommet in 1828, was famously controversial in the Victorian age, generating many column inches of profitable newspaper copy, in part because it was (and still is) fetishistic and subversive in that adolescent girls used it as a means of rebellion and upper-working- or lower-middle-class shop girls saw it as a means of upward mobility.&lt;ref name=&quot;:21&quot;&gt;{{Cite book|title=Fashion and Fetishism: Corsets, Tight-Lacing and Other Forms of Body-sculpture|last=Kunzle|first=David|publisher=History Press|year=2013|isbn=978 0 7524 9545 3|location=Stroud, Gloucestershire|pages=}}&lt;/ref&gt; (71 [of 1182]) No evidence exists that tight lacing was widespread or particularly dangerous.&lt;ref name=&quot;:21&quot; /&gt; ()


In truth, men's formal clothing may have been less colourful than it was in the previous century, but brilliant [[waistcoat]]s and [[cummerbund]]s provided a touch of colour, and [[smoking jacket]]s and [[robe|dressing gown]]s were often of rich Oriental [[brocade]]s. This phenomenon was the result of the growing textile manufacturing sector, developing mass production processes, and increasing attempts to market fashion to men.&lt;ref name=&quot;shannon597&quot;/&gt; Corsets stressed a woman's sexuality, exaggerating hips and bust by contrast with a tiny waist. Women's [[evening gown]]s bared the shoulders and the tops of the breasts. The [[jersey dress]]es of the 1880s may have covered the body, but the stretchy novel fabric fit the body like a glove.&lt;ref&gt;{{cite book |last=Gernsheim |first=Alison |title=Victorian &amp; Edwardian Fashion: A Photographic Survey |year=1981 |publisher=Dover Publications |location=New York |page=65|edition=New |isbn=0-486-24205-6}}&lt;/ref&gt;

Home furnishing was not necessarily ornate or overstuffed. However, those who could afford lavish draperies and expensive ornaments, and wanted to display their wealth, would often do so. Since the Victorian era was one of increased social mobility, there were ever more ''[[nouveaux riches]]'' making a rich show.

The items used in decoration may also have been darker and heavier than those used today, simply as a matter of practicality. London was noisy and its air was full of [[soot]] from countless coal fires. Hence those who could afford it draped their windows in heavy, sound-muffling curtains, and chose colours that didn't show soot quickly. When all washing was done by hand, curtains were not washed as frequently as they might be today.

There is no actual evidence that piano legs were considered scandalous. Pianos and tables were often draped with [[shawl]]s or cloths—but if the shawls hid anything, it was the cheapness of the furniture. There are references to lower-middle-class families covering up their [[pine]] tables rather than show that they couldn't afford [[mahogany]]. The piano leg story seems to have originated in the 1839 book, ''A Diary in America'' written by Captain [[Frederick Marryat]], as a satirical comment on American prissiness.&lt;ref&gt;{{cite book |last1=Marryat |first1=C.B. |title=A Diary in America: With Remarks on Its Institutions |date=1839 |publisher=Longman, Orme, Brown, Green, and Longmans |location=London, England |volume=2 |pages=246–247 |url=https://books.google.com/books?id=2-VEAAAAIAAJ&amp;pg=PA246}} From pp. 246-247:  &quot;I was requested by a lady to escort her to a seminary for young ladies, and on being ushered into the reception-room, conceive my astonishment at beholding a square piano-forte with four ''limbs''. However, that the ladies who visited their daughters, might feel in its full force the extreme delicacy of the mistress of the establishment, and her care to preserve in their utmost purity the ideas of the young ladies under her charge, she had dressed all these four limbs in modest little trousers, with frills at the bottom of them!&quot;&lt;/ref&gt;

Victorian manners may have been as strict as imagined—on the surface. One simply did not speak publicly about sex, childbirth, and such matters, at least in the respectable middle and upper classes. However, as is well known, discretion covered a multitude of sins. Prostitution flourished. Upper-class men and women indulged in [[adultery|adulterous]] liaisons.

== Gallery ==
{{gallery
|2=A mid-Victorian interior: ''Hide and Seek'' by [[James Tissot]], c. 1877
Image:Winterhalter Elisabeth.jpg|3=Dress designed by [[Charles Frederick Worth]] for [[Elisabeth of Bavaria|Elisabeth of Austria]] painted by [[Franz Xaver Winterhalter]].|4=File:Frith A Private View detail.jpg|5=[[William Powell Frith]]'s painting of 1883 contrasts women's [[Aesthetic dress]] (left and right) with fashionable attire (center).|6=File:Tissot lilacs 1875.jpg|7=Day dress, c. 1875 [[James Tissot]] painting.|8=File:James Abbot McNeill Whistler 011.jpg|9=[[James McNeill Whistler|Whistler]]'s [[Portrait of Lady Meux]], 1882
Image:Jeanna_Samary-Renoir.png|10=[[Pierre-Auguste Renoir|Renoir]]'s portrait of [[Jeanne Samary]] in an [[evening gown]], 1878|11=File:Melville_-_Queen_Victoria.jpg|12=Portrait by [[Alexander Melville (artist)|Alexander Melville]] of [[Victoria of the United Kingdom|Queen Victoria]], 1845|13=File:Henry Treffry Dunn Rossetti and Dunton at 16 Cheyne Walk.jpg|14=An artistic interior: [[Dante Gabriel Rossetti]] reading to [[Theodore Watts-Dunton]] in the drawing room at No. 16 [[Cheyne Walk]], 1882|15=File:Punch - Masculine beauty retouched1.png|16=Men's swimwear: Cartoon from ''[[Punch (magazine)|Punch]]'' by [[George du Maurier]]}}

== See also ==
* [[Emily Clapham]]
* [[Victorian decorative arts]]
* [[Victorian dress reform]]
* [[Victorian morality]]
* [[Victoriana]]
* [[Women in the Victorian Era]]
* [[Charles Frederick Worth]]

=== Time periods ===
* [[1830s in fashion]]
* [[1840s in fashion]]
* [[1850s in fashion]]
* [[1860s in fashion]]
* [[1870s in fashion]]
* [[1880s in fashion]]
* [[1890s in fashion]]

=== Women's clothing ===
* [[Corset]]
* [[Corset controversy]]
* [[Tightlacing]]
* [[Bloomers (clothing)|Bloomers]]
* [[Bodice]]

=== Contemporary interpretations ===
* [[Steampunk]]
* [[Neo-Victorian]]
* [[Lolita Fashion|Lolita]]

== References ==
{{Reflist}}

== Further reading ==
*{{cite book |author=Phipps, Elena| title= ''From Queen to Empress: Victorian dress 1837-1877'' | location=New York | publisher=The Metropolitan Museum of Art | year=1988 | isbn=0870995340| url= http://libmma.contentdm.oclc.org/cdm/compoundobject/collection/p15324coll10/id/69547/rec/235 | display-authors=etal}}
* Sweet, Matthew – ''Inventing the Victorians'', St. Martin's Press, 2001 {{ISBN|0-312-28326-1}}

== External links ==
* [http://www.victorians.co.uk/victorian-fashion Victorian Fashion] {{Webarchive|url=https://web.archive.org/web/20180407223711/http://www.victorians.co.uk/victorian-fashion |date=7 April 2018 }}
* [https://www.victorianvoices.net/topics/fashion/index.shtml VictorianVoices.net] – Fashion articles and illustrations from Victorian periodicals; extensive fashion image gallery
* [http://www.cracked.com/article_19575_5-ridiculous-sex-myths-from-history-you-probably-believe.html Victorian myths]
* [http://www.victorianstation.com/lifestylemenu.htm Victorian fashion, etiquette, and sports] {{Webarchive|url=https://web.archive.org/web/20180103162620/http://www.victorianstation.com/lifestylemenu.htm |date=3 January 2018 }}
* [http://www.thesmartset.com/article/article12180701.aspx Background on &quot;A Diary in America&quot;]
* [http://www.mccord-museum.qc.ca/en/keys/webtours/VQ_P2_17_EN.html Form and Fashion] —  the evolution of women's dress during the 19th century (many photographs)
* [http://www.mccord-museum.qc.ca/en/keys/games/jeu2/ Educational Game: Mix and Match] — build a 19th-century dress using a virtual mannequin
* {{cite web |publisher= [[Victoria and Albert Museum]]
 |url= http://www.vam.ac.uk/content/articles/v/victorian-dress-at-v-and-a/
 |title= Victorian Dress
 |work= Fashion, Jewellery &amp; Accessories
 |date= 14 January 2011
 |access-date= 2011-04-03}}
*[http://cv.vic.gov.au/stories/creative-life/fashion-detective-fashion-fiction-and-forensics/ Fashion detective: Fashion, Fiction and Forensics in nineteenth century Australian fashion] on Culture Victoria

{{Timeline of clothing and fashion|state=collapsed}}{{Victorian era|state=collapsed}}

[[Category:Victorian fashion| ]]
[[Category:19th-century fashion|*]]
[[Category:1900s fashion]]
[[Category:History of Western fashion]]
[[Category:19th century in the arts]]

=From ''Women in the Victorian era''=
===Victorian women's fashion===
{{Multiple issues|{{tone|date=March 2023}}
{{more footnotes needed|date=March 2023}}|section=y}}{{Further|Victorian fashion}}
The ideal Victorian woman was pure, chaste, refined, and modest. This ideal was supported by etiquette and manners. The etiquette extended to the pretension of never acknowledging the use of undergarments (sometimes generically referred to as &quot;unmentionables&quot;). The discussion of such a topic, it was feared, would gravitate towards unhealthy attention on anatomical details. As one Victorian lady expressed it: &quot;[those] are not things, my dear, that we speak of; indeed, we try not even to think of them&quot;, in contrast to current norms.&lt;ref&gt;{{cite book |last=Cunnington |first=C. Willett |title=English Women's Clothing in the Nineteenth Century: A Comprehensive Guide with 1,117 Illustrations |publisher=Dover Publications |year=1990 |isbn=978-0-486-26323-6 |pages=20}}&lt;/ref&gt; The pretence of avoiding acknowledgement of anatomical realities met with embarrassing failure on occasion. In 1859, the Hon. Eleanor Stanley wrote about an incident where the [[Louisa Cavendish, Duchess of Devonshire|Duchess of Manchester]] moved too quickly while manoeuvring over a [[stile]], tripping over her large [[hoop skirt]]:

{{blockquote|[the Duchess] caught a hoop of her cage in it and went regularly head over heels lighting on her feet with her cage and whole petticoats above, above her head. They say there was never such a thing seen – and the other ladies hardly knew whether to be thankful or not that a part of her undergarments consisted in a pair of scarlet tartan [[knickerbockers (clothing)|knickerbockers]] (the things Charlie shoots in) which were revealed to the view of all the world in general and the [[Aimable Pélissier|Duc de Malakoff]] in particular&quot;.&lt;ref&gt;{{cite book|last=Cunnington|first=C. Willett|title=English Women's Clothing in the Nineteenth Century: A Comprehensive Guide with 1,117 Illustrations|year=1990|publisher=Dover Publications|isbn=978-0-486-26323-6|pages=20–1}}&lt;/ref&gt;}}

However, despite the fact that Victorians considered the mention of women's undergarments in mixed company unacceptable, men's entertainment made great comedic material out of the topic of ladies' [[bloomers (clothing)|bloomers]], including men's magazines and music hall skits.&lt;ref&gt;{{cite book |last=Cunnington |first=C. Willett |title=English Women's Clothing in the Nineteenth Century: A Comprehensive Guide with 1,117 Illustrations |publisher=Dover Publications |year=1990 |isbn=978-0-486-26323-6 |pages=22}}&lt;/ref&gt;

Victorian women's clothing followed trends that emphasised elaborate dresses, skirts with wide volume created by the use of layered material such as [[crinoline]]s, hoop skirt frames, and heavy fabrics. Because of the impracticality and health impact of the era's fashions, a [[Victorian dress reform|dress reform movement]] began among women.

The ideal silhouette of the time demanded a narrow waist, which was accomplished by constricting the abdomen with a laced [[corset]]. While the silhouette was striking, and the dresses themselves were often exquisitely detailed creations, the fashions were cumbersome. At best, they restricted women's movements and at worst, they had a harmful effect on women's health. Physicians turned their attention to the use of corsets and determined that they caused several medical problems: compression of the thorax, restricted breathing, organ displacement, poor circulation, and prolapsed uterus.&lt;ref name=&quot;O'Connor&quot;/&gt;

Articles advocating the reform of women's clothing by the British National Health Society, the Ladies' Dress Association, and the [[Rational Dress Society]] were reprinted in ''The Canada Lancet'', Canada's medical journal. In 1884, Dr J. Algernon Temple of Toronto even voiced concern that the fashions were having a negative impact on the health of young women from the working classes. He pointed out that a young working-class woman was likely to spend a large part of her earnings on fine hats and shawls, while &quot;her feet are improperly protected, and she wears no flannel petticoat or woollen stockings&quot;.&lt;ref name=&quot;O'Connor&quot;/&gt;
[[File:Bloomers.jpg|thumb|1850s illustration of a woman wearing [[bloomers]]]]
[[Florence Pomeroy]], Lady Haberton, was president of the Rational Dress movement in Britain. At a National Health Society exhibition held in 1882, Viscountess Haliburton presented her invention of a &quot;[[divided skirt]]&quot;, which was a long skirt that cleared the ground, with separate halves at the bottom made with material attached to the bottom of the skirt. She hoped that her invention would become popular by supporting women's freedom of physical movement, but the British public was not impressed by the invention, perhaps because of the negative &quot;unwomanly&quot; association of the style with the American [[Bloomers]] movement.&lt;ref&gt;{{cite book|last=Murray|first=Janet Horowitz|title=Strong-Minded Women and Other Lost Voices from 19th Century England|year=1982|publisher=Pantheon Books|location=New York|isbn=0-394-71044-4|pages=[https://archive.org/details/strongmindedwome00jane/page/68 68–70]|url=https://archive.org/details/strongmindedwome00jane/page/68}}&lt;/ref&gt; [[Amelia Jenks Bloomer]] had encouraged the wearing of visible bloomers by feminists to assert their right to wear comfortable and practical clothing, but it was no more than a passing fashion itself among radical feminists. The movement to reform women's dress would persist and have long-term success, however; by the 1920s, [[Coco Chanel]] was successful at selling a progressive, far less restrictive silhouette that abandoned the corset and raised hemlines. The new silhouette symbolised modernism for trendy young women and became the 20th century standard. Other Paris designers continued reintroducing pants for women and the trend was gradually adopted over the next century.

Fashion trends, in one sense, travelled &quot;full circle&quot; over the course of the Victorian era. The popular women's styles during the [[Georgian era]], and at the very beginning of Victoria's reign, emphasized a simple style influenced by flowing gowns worn by women in [[Ancient Greek clothing|Ancient Greece]] and [[Clothing in ancient Rome|Rome]]. The [[Empire waist]] silhouette was replaced by a trend towards ornate styles and an artificial silhouette, with the restrictiveness of women's clothing reaching its low point during the mid-century passion for narrow corseted waists and hoop skirts. The iconic wide-brimmed women's hats of the later Victorian era also followed the trend towards ostentatious display. Hats began the Victorian era as simple [[Bonnet (headgear)|bonnets]]. By the 1880s, milliners were tested by the competition among women to top their outfits with the most creative (and extravagant) hats, designed with expensive materials such as silk flowers and exotic plumes such as ostrich and peacock. As the Victorian era drew to a close, however, fashions were showing indications of a popular backlash against excessive styles. Model, actress and socialite [[Lillie Langtry]] took London by storm in the 1870s, attracting notice for wearing simple black dresses to social events. Combined with her natural beauty, the style appeared dramatic. Fashions followed her example (as well as Queen Victoria's wearing of mourning black later in her reign). According to [[Harold Koda]], the former Curator-in-chief of the [[Costume Institute at The Met|Metropolitan Museum of Art's Costume Institute]],&lt;ref&gt;{{cite web|url=http://www.metmuseum.org/about-the-museum/press-room/exhibitions/2014/death-becomes-her|title=Death Becomes Her: A Century of Mourning Attire : October 21, 2014-February 1, 2015|website=Metmuseuim.org|access-date=7 November 2021}}&lt;/ref&gt; &quot;The predominantly black palette of [[mourning]] dramatizes the evolution of period silhouettes and the increasing absorption of fashion ideals into this most codified of etiquettes,&quot; said Koda, &quot;The veiled widow could elicit sympathy as well as predatory male advances. As a woman of sexual experience without marital constraints, she was often imagined as a potential threat to the social order.&quot;

====Evolution of Victorian women's fashion====
&lt;gallery&gt;
File:Fashion plate December 1844.jpg|Ladies' December Fashions (1844). Hand-coloured steel engraving from a women's magazine.
File:Thegalleryofhmscalcutta james tissot 1876.jpg|''[[The Gallery of HMS Calcutta]]'' by [[James Tissot]] (1876). [[Bustle]]s were fashionable in the 1870s and 1880s.
File:Mrs lillie langtry george frederic watts 1880.jpg|''Mrs. Lillie Langtry'' by [[George Frederic Watts]] (1880).
File:Five-women-on-queenslander-steps-r.jpg|Fashionable women in [[Queensland]], Australia around 1900.
&lt;/gallery&gt;


{{Short description|Irish writer (born 1963)}}
{{Use Irish English|date=August 2025}}
{{Use dmy dates|date=August 2025}}
{{Infobox writer
| name               = Darach Ó Scolaí
| image              = Darach Ó Scolaí.JPG
| alt                = Man holding prize-winning book
| caption            = Ó Scolaí in 2019
| birth_name         = Darach Ó Scolaí
| birth_date         = {{Birth date and age|1963|df=y}}
| birth_place        = [[County Galway]], The Republic of Ireland
| death_date         = 
| death_place        = 
| occupation         = Writer, artist, publisher
| alma_mater         = [[University of Galway]]
| years_active       = 1998–present
| genre            = Novel, retelling, translation, play, screenplay, illustrated book for children and adults
| other_names        = 
| spouse             = 
| children           = 3
| awards             = [[Awards and Honors received by Darach Ó Scolaí|Awards and Honors]]
| signature          = 
| website            = 
}}[[File:Darach Ó Scolaí.JPG|thumb|Darach Ó Scolaí, holding ''Oileán an Órchiste'' (his translation of Robert Louis Stevenson's ''Treasure Island'')]]


== Darach Ó Scolaí ==
Darach Ó Scolaí (&lt;small&gt;Irish:&lt;/small&gt; [/ˈda.rax/ /oː/ /sˠkˠoː/l̪ˠəi/]; born 1963&lt;ref&gt;{{Cite web|url=https://portraidi.ie/en/darach-o-scolai/|title=Darach Ó Scolaí|date=20 October 2017|website=Portráidí (Portraits of Irish-Language Writers)|access-date=1 August 2025}}&lt;/ref&gt;) is an Irish author who works in a number of genres, from novels, plays and screenplays to illustrated books for children and adults. He began his literary career in 1998 writing screenplays, stage plays, retellings and translations; he began to publish novels in 2008. Ó Scolaí is widely recognized as a leading figure in contemporary Irish literature, known as “one of the most important Irish language writers of his generation”&lt;ref&gt;{{Cite journal|last=Poirtéir|first=Cathal|date=2022|title=? Suil an Daill: Constant Tensions and Shifting Allegiances|url=https://booksirelandmagazine.com/suil-an-daill-constant-tensions-and-shifting-allegiances/|journal=Books Ireland}}&lt;/ref&gt; and &quot;one of the great Irish language novelists [duine d’úrscéalaithe móra na Gaeilge].&quot;&lt;ref name=&quot;:17&quot; /&gt; His writing has been called “the high literature of the Irish language.”&lt;ref&gt;Ó Coimín, Maitiú. ''Nós'' 2 February 2018). Qtd. in &quot;Táin Bó Cuailnge.&quot; ''Leabhar Breac''. Retrieved 25 August 2025.&lt;/ref&gt;

Much of his fiction is based on a knowledge of traditional Irish tales and narrative practices as well as Irish history. He specializes in literary and [[wikipedia:Historical_fiction|historical fiction]], or as novelist Alan Titley says, Ó Scolaí’s “peak (for now), or at least his greatest imaginative interest, is the historical novel [tá an chuma air gurb é a bhuaic (go fóill), nó ar a laghad, a mhórspéis samhlaíochta, an t-úrscéal staire].”&lt;ref name=&quot;:11&quot;&gt;{{Cite journal|last=Titley|first=Alan|date=Fall 2020|title=An Stíl Go Deo!: Soather Dharach Uí Scolaí (The style would be forever!: Worker Darach Ó Scolaí)|url=https://www.jstor.org/stable/27046090|journal=Comhar|volume=80, No. 10|pages=27|via=JSTOR}}&lt;/ref&gt; His retellings of old stories and tales from their original Middle and Early-Modern Irish into Modern Irish ([[wikipedia:Irish_language|Gaeilge]]) are respected for their accessibility to students and language learners as well as for their artistry.

Ó Scolaí also regularly reviews books and lectures and writes on literature and culture. 

Beyond his writing, Ó Scolaí is a publisher and has co-produced a number of film, television shows and stage plays. 

== Life ==
Ó Scolaí was born in Dublin and raised in the Galway [[wikipedia:Gaeltacht#Galway Gaeltacht|Gaeltacht]] (Irish-speaking) regions of Cois Fharraige on the north shore of Galway Bay, in the Republic of Ireland, where he lives now with his wife and children in Lochán Beag (Indreabhán).&lt;ref name=&quot;:7&quot;&gt;{{Cite journal|date=30 October 2024|title=Duais don úrscéal liteartha is fearr buaite ag Darach Ó Scolaí ag Oireachtas na Samhna|url=https://tuairisc.ie/duais-don-ursceal-liteartha-is-fearr-buaite-ag-darach-o-scolai-ag-oireachtas-na-samhna/|journal=Tuairisc}}&lt;/ref&gt;&lt;ref&gt;{{Cite journal|last=Ní Scolaí|first=Aifric|date=2024|title=Darach Ó Scolaí|url=https://www.taiscecf.ie/ealaiontoiri?category=Scr%C3%ADbhneoir|journal=Taisce Chois Fharraige}}&lt;/ref&gt; 

He graduated the [[wikipedia:University_of_Galway|University of Galway]] (then University College Galway) with a B.A. in 1983.&lt;ref&gt;{{Cite web|url=https://www.linkedin.com/in/darach-ó-scolaí-20026920/|title=Darach Ó Scolaí|last=Ó Scolaí|first=Darach|date=August 2025|website=LinkedIn}}&lt;/ref&gt; 

=== Writing and Publishing ===
Ó Scolaí writes in Irish ([[wikipedia:Irish_language|Gaeilge]]), his native language, and lives in an area defined for the predominant presence of Irish as the vernacular language, the language spoken at home. Irish was the language of his parents' home and is the language of children as well. He is fluent in Irish and English and conversant in French. 

None of his works has been translated into English. 

==== Leabhar Breac ====
In 1995 Darach Ó Scolaí and his brother Caomhán Ó Scolaí — a [[wikipedia:Typography|typographer]] and designer — founded the publishing house Leabhar Breac at Indreabhán (Inverin), County Galway. Their father “Séamas Ó Scolaí was an editor at An Gúm and worked on the Irish-English dictionary team [bhí a n-athair Séamas Ó Scolaí ina eagarthóir sa Ghúm agus d’oibrigh sé ar fhoireann an fhoclóra Gaeilge-Béarla].”&lt;ref name=&quot;:0&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/about-us/|title=About Us|date=2024|website=Leabhar Breac|access-date=1 July 2025}}&lt;/ref&gt; Darach Ó Scolaí has been publisher and literary editor at Leabhar Breac since its founding. 

Named for [[wikipedia:An_Leabhar_Breac|An Leabhar Breac (The Speckled Book)]], Leabhar Breac publishing house has more than 140 books in print.&lt;ref name=&quot;:0&quot; /&gt; Leabhar Breac aims to publish Irish-language books that meet “a high literary and artistic standard.”&lt;ref name=&quot;:0&quot; /&gt; Besides the content, Leabhar Breac is known for the typically &quot;superb [thar cionn]&quot; quality of the design and production of the &quot;physical book [leabhar fisiciúil].&quot;&lt;ref name=&quot;:8&quot;&gt;{{Cite journal|last=Ní Mhuilneoir|first=Gráinne|date=30 July 2024|title=‘Bláthnaid’ – leabhar álainn i sraithín álainn faoi mhná|url=https://tuairisc.ie/blathnaid-leabhar-alainn-i-sraithin-alainn-faoi-mhna/|journal=Tuairisc}}&lt;/ref&gt; Its books regularly win awards for literary and artistic quality. Leabhar Breac also publishes translations for children and adults from various early versions of Irish as well as from French and English (and has published translations of books for young readers from Spanish, Catalan, and Italian as well).

Leabhar Breac prints its books in Ireland.

=== Stage and Screen ===

==== Rosg ====
In 1998 along with Ciarán Ó Cofaigh,&lt;ref name=&quot;:1&quot;&gt;{{Cite web|url=http://www.rosg.ie/en/about/History_6/|title=About Us: History|date=July 2025|website=Rosg|access-date=1 August 2025}}&lt;/ref&gt; Ó Scolaí co-founded the film and television production company [http://www.rosg.ie/en/ Rosg] and was co-director until 2006. Rosg produced Ó ScolaÍ’s films ''Cosa Nite'' (1999), ''An Leabhar'' (2001) and ''Na Cloigne'' (2010). He left Rosg in 2006 to devote his time to other artistic activities. 

==== Ealaín ar Oileán ====
In 2004, along with Val Balance, Ó Scolaí co-founded the annual artists' symposium Ealaín ar Oileán (trans., Art on an Island). The Irish-language symposium was held annually in the Áras Éanna arts and cultural center on Inis Oírr ([[wikipedia:Inisheer|Inisheer]], the smallest of the [[wikipedia:Aran_Islands|Aran Islands]]) from 2004 to 2013. Ó Scolaí was its co-director from its founding&lt;ref&gt;{{Cite web|url=https://ga.wikipedia.org/wiki/Darach_Ó_Scolaí.|title=Darach Ó Scolaí|date=3 February 2024|website=Vicipéid|access-date=1 July 2025}}&lt;/ref&gt; until 2013.

Besides being its co-director, Ó Scolaí has taken part in this conference as an artist&lt;ref&gt;{{Cite journal|date=16 January 2005|title=Darach Ó Scolaí|url=https://web.archive.org/web/20050116163252/http://bliainiris.com/authors/darach_oscolai.html|journal=Bliainiris}}&lt;/ref&gt; and writer&lt;ref name=&quot;:2&quot;&gt;{{Cite web|url=http://ealainaroilean.ie/ealainaroilean.html|title=The Conference|date=7 September 2013|website=Ealaín ar Oileán|archive-url=https://web.archive.org/web/20130907083744/http://ealainaroilean.ie/ealainaroilean.html|archive-date=7 September 2013|access-date=1 August 2025}}&lt;/ref&gt;.

==== Salamandar ====
In 2006 Ó Scolaí founded the stage production company Salamandar and directed his own play ''An Braon Aníos''. His plays ''An tSeanbhróg'' (2009) and ''Craos'' (2008) were also produced by Salamandar.&lt;ref name=&quot;:19&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/product-category/darach-o-scolai/|title=Darach Ó Scolaí|date=2024|website=Leabhar Breac|access-date=1 July 2025}}&lt;/ref&gt; 

== Works ==

=== Novels ===
* [[wikipedia:An_Cléireach|''An Cléireach'' (trans., ''The Clerk'')]], Leabhar Breac, 2007. The Oireachtas Prize for Literary Fiction, 2007; The Ó Súilleabháin Award (Book of the Year) in 2008, and &quot;named as ‘the best novel since the turn of the Century’ by Comhar.&quot;&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/fiction/an-cleireach/|title=An Cléireach - Leabhar Breac - Irish language novel|website=Leabhar Breac|language=en-US|access-date=2025-10-24}}&lt;/ref&gt;
* ''Na Comharthaí'' (trans., ''The Signs''), Leabhar Breac, 2014.
* ''Súil an Daill'' (trans., ''The Eye of the Blind''), Leabhar Breac, 2021. The Oireachtas Prize for Literary Fiction, 2019.&lt;ref name=&quot;:4&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/shop/fiction/suil-an-daill/|title=Súil an Daill|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''Bódléar'', Leabhar Breac, 2024. The Oireachtas Prize for Literary Fiction, 2024&lt;ref name=&quot;:7&quot; /&gt;; The Ó Súilleabháin Award (Book of the Year) in 2025; featured in the 2025 Listen-Up Irish Summer Challenge for students of the Irish language.&lt;ref&gt;{{Cite news|url=https://connachttribune.ie/novel-approach-helps-people-learn-irish-in-a-creative-way/|title=Novel approach helps people learn Irish in a creative way|last=Murphy|first=Judy|date=3 October 2025|work=Connaught Tribune|access-date=24 October 2025}}&lt;/ref&gt;

=== Retellings, Translations and Editions ===
The retellings and translations are into modern Irish.

* ''Feis Tigh Chonáin'' (trans., ''The Feast of Conán's House''), Leabhar Breac, 2000; a retelling of a 15&lt;sup&gt;th&lt;/sup&gt;-century tale from the [[wikipedia:Fenian_Cycle|Fenian Cycle]].&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/fiction/feis-tigh-chonain/|title=Feis Tigh Chonáin|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''An Ceithearnach Caolriabhach'' (trans., ''The Narrow-Striped Kern''), Leabhar Breac, 2002; a retelling from c. 1500, also illustrated by Darach Ó ScolaÍ.&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/fiction/an-ceithearnach-caolriabhach/|title=An Ceithearnach Caolriabhach|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''Táin Bó Cuailnge'' (trans., ''The Cattle Raid of Cooley''), Leabhar Breac, 2017, both a modern edition of an 11th-century epic and an annotated edition.&lt;ref name=&quot;:3&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/shop/darach-o-scolai/tain-bo-cuailnge-2-2/|title=Táin Bó Cuailnge|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;  &quot;''Táin Bó Cuailnge'' won the Aodán Mac Poilín Memorial Prize 2017.&quot;&lt;ref name=&quot;:19&quot; /&gt;
* ''Deirdre'', Leabhar Breac, 2023, a “picture book for adults” with artist Anastasia Melnykova.&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/darach-o-scolai/deirdre/|title=Deirdre|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt; Part of the [[wikipedia:Ulster_Cycle|Ulster Cycle]], ''Deirdre'' is a retelling  of the story of possibly the most widely known Irish figure from the early tales and sagas.&lt;ref&gt;{{Cite book|title=A Dictionary of Celtic Mythology|last=MacKillop|first=James|publisher=Oxford University Press|year=2004|isbn=9780198609674|pages=181}}&lt;/ref&gt;
* ''Bláthnaid'', Leabhar Breac, 2024, a “picture book for adults” with artist Anastasia Melnykova; “one of the great stories of the [[wikipedia:Ulster_Cycle|Ulster Cycle]].”&lt;ref name=&quot;:4&quot; /&gt;
* ''Sadhbh,'' Leabhar Breac, 2025, a picture book for adult readers, illustrated by Alé Mercado; a retelling of the medieval tale ''Ceasacht Inghine Ghuile (''trans., ''The Complaint of Guile's Daughter'').&lt;ref name=&quot;:5&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/tales-of-wonder/|title=Tales of Wonder|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''Eoghan Béal'', Leabhar Breac, 2025, a picture book for adult readers illustrated by Alé Mercado&lt;ref name=&quot;:5&quot; /&gt;; a retelling of the medieval tale ''[https://ga.wikipedia.org/wiki/Caithr%C3%A9im_Cellaig Cathréim Ceallaigh]'' from ''The Yellow Book of Leacan.''&lt;ref name=&quot;:5&quot; /&gt;

=== For Young Readers ===
Ó Scolaí has written illustrated books for young readers (8–10 years old) in two series, the Fionn Series and the Scéalta Staire series, and translated a large number of classics and popular books for children of all ages. The number of these written and translated works suggests a commitment to children and their literacy in Irish. 

The Fionn Series “is a retelling ... of the great legends of the Fianna for the young Irish readers of today.”&lt;ref name=&quot;:6&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/shop/oige-en/8-9/doiteoir-na-samhna/|title=Dóiteoir na Samhna|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt; [[wikipedia:The_Boyhood_Deeds_of_Fionn|Macgnímartha Finn (The Boyhood Deeds of Fionn)]] is a medieval story in the [[wikipedia:Fenian_Cycle|Fenian Cycle]].

* ''An Bradán Feasa'' (trans., ''The Salmon of Knowledge''), Leabhar Breac, 2010, “shortlisted for the Réics Carlo award 2010.”&lt;ref name=&quot;:9&quot;&gt;{{Cite web|url=https://leabharbreac.com/en/shop/oige-en/8-9/an-bradan-feasa/|title=An Bradán Feasa|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''Dóiteoir na Samhna'' (trans., ''The Halloween Burner''), 2010.&lt;ref name=&quot;:6&quot; /&gt;
* ''Bodach an Chóta Lachna'' (trans., ''The Churl in the Dun Coat''), 2011.&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/oige-en/7-8/bodach-an-chota-lachna/|title=Bodach an Chóta Lachna|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;

The Scéalta Staire (Historical Stories) series&lt;ref name=&quot;:9&quot; /&gt;

* ''Mánas Ó Dónaill'', 2000.
* ''Seán Ó Néill'', Leabhar Breac, 2000.
* ''Gráinne Mhaol Ní Mháille'', Leabhar Breac, 2003.
* ''Tadhg Dall Ó hUiginn'', Leabhar Breac, 2003.

==== Translations ====

* Robert Louis Stevenson, ''Oileán an Órchiste'' (trans. of ''Treasure Island''), Leabhar Breac, 2014.&lt;ref&gt;{{Cite journal|date=2025-06-19|title=Oireachtas na Gaeilge|url=https://en.wikipedia.org/w/index.php?title=Oireachtas_na_Gaeilge&amp;oldid=1296394643|journal=Wikipedia|language=en}}&lt;/ref&gt;
* Robert Louis Stevenson, ''An Fuadach'' (trans. of ''Kidnapped''), Leabhar Breac, 2016.
* Clement Clarke Moore, ''Cuairt San Nioclás'' (trans. of ''A Visit from St. Nicholas'', or &quot;'Twas the Night Before Christmas&quot;), Leabhar Breac, 2022.
'''''The Corto Maltese Graphic Novels'''''

Written in Italian by Hugo Pratt and translated by Ó Scolaí, both adults and teenagers read this series of Italian adventure graphic novels.&lt;ref&gt;{{Cite journal|date=2025-07-01|title=Corto Maltese|url=https://en.wikipedia.org/w/index.php?title=Corto_Maltese&amp;oldid=1298285365|journal=Wikipedia|language=en}}&lt;/ref&gt; Ó Scolaí's '''translation of ''Corto Maltese''''' was listed in 2017 among &quot;The 30 Irish books that Irish people love.&quot;&lt;ref&gt;{{Cite journal|last=Ó Murchú|first=Eoin P.|date=09/06/2017|title=Na 30 leabhar Gaeilge is fearr leis na Gaeil [The 30 Irish books that Irish people love]|url=https://nos.ie/cultur/leabhair/an-30-leabhar-gaeilge-is-fearr-leis-na-gaeil/|journal=Nós}}&lt;/ref&gt;

* Hugo Pratt, ''Corto: Port na Farraige Goirt'', Leabhar Breac, 2013.
* Hugo Pratt, ''Corto: The Golden House in Samarkand'', 2014.
* Hugo Pratt, ''Corto: Na Liopard-Fhir ó Rufiji'' (trans. of ''Corto: The Leopard Men of Rufiji''), Leabhar Breac, 2014.
* Hugo Pratt, ''Corto: In Ainm Dé Uilthrócairigh'' (trans. of ''Corto: In the Name of God All-Merciful''), Leabhar Breac, 2014.
* Hugo Pratt, ''Corto: Tóraíocht Eile'' (trans. of ''Corto: Another Quest''), Leabhar Breac, 2014.
* Hugo Pratt, ''Corto: Sa tSibéir'' (trans. of ''Corto: In Siberia''), Leabhar Breac, 2016.
'''''Other Translations for Children'''''

Ó Scolaí has translated into Irish six books from the ''Le Pavillon Noir'' (trans., ''Jolly Roger'') series by Alain Surget; four books from the ''Catalan First Steps'' series by Enric Lluch Girbés and the ''Caitlín &amp; Cormac'' series by Joan Carles; three books from the ''Louisette le Taupe'' series by Bruno Heitz, and three books from the ''Loup'' series by Orianne Lallemand.

=== Plays and Screenplays ===

==== Stage Plays ====
Ó Scolaí was writer and director of the original productions of two plays in the ''Trí Bhraon'' (trans., ''Three Drops'') trilogy; ''Coinneáil Orainn'' was directed by Darach Mac Con Iomaire and staged by An Taibhdhearc. All three plays have been published in book form by Leabhar Breac.

* ''Coinneáil Orainn'' (trans., ''We'll Keep Going''), 2005.&lt;ref&gt;{{Cite web|url=https://irishplayography.com/play?playid=32553|title=Coinneáil Orainn|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904.|access-date=25 August 2025}}&lt;/ref&gt; The first play in the ''Trí Bhraon'' (''Three Drops'') trilogy. [[wikipedia:Taibhdhearc_na_Gaillimhe|An Taibhdhearc]], the national Irish-language theatre of Ireland, toured the country in 2005 with ''Coinneáil Orainn''.&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/darach-o-scolai/coinneail-orainn/|title=Coinneáil Orainn|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt; Walter Macken Prize, 2005; BBC Stewart Parker Award, 2006.&lt;ref&gt;{{Cite web|url=https://irishplayography.com/person/darach-scola|title=Darach Ó Scolaí|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904.|access-date=25 August 2025}}&lt;/ref&gt;
* ''Branwen'', 2006, by Darach Ó Scolaí and Ifor ap Glyn, in Irish, Welsh and English, co-produced by Project Arts Centre and Llwyfan Gogledd Cymru, toured the Republic of Ireland and Wales.&lt;ref&gt;{{Cite web|url=https://irishplayography.com/play?playid=32418|title=Branwen|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904|access-date=25 August 2025}}&lt;/ref&gt;
* ''An Braon'' Aníos (trans., ''Rising Damp''), 2006, directed by Ó Scolaí.&lt;ref&gt;{{Cite web|url=https://irishplayography.com/play?playid=32461|title=An Braon Aníos|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904|access-date=25 August 2025}}&lt;/ref&gt; The second play in the ''Trí Bhraon'' (''Three Drops'') trilogy. “The Salamandar company toured the country in 2006-07 with this play, and Salamandar also produced a radio version of the play for RTÉ Raidió na Gaeltachta in 2009.”&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/darach-o-scolai/an-braon-anios/|title=An Braon Aníos|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''Craos'' (trans., ''Gluttony''), 2008, directed by Ó Scolaí.&lt;ref name=&quot;:13&quot;&gt;{{Cite web|url=https://irishplayography.com/play?playid=32867|title=Craos|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904|access-date=25 August 2025}}&lt;/ref&gt; The third play in the ''Trí Bhraon'' (''Three Drops'') trilogy, it toured to Cork and Belfast.&lt;ref name=&quot;:13&quot; /&gt; A review of the 2008 Salamander performance in the ''Irish Times'' says, “a humorous play which offers plenty to think about, fine acting, and sparklingly witty dialogue.”&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/shop/darach-o-scolai/craos-2/|title=Craos|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt;
* ''A+E'', 2008, by Ríonach Ní Néill and Darach Ó Scolaí, &quot;dance and music drama,&quot; co-produced by Ciotóg and Salamandar.&lt;ref&gt;{{Cite web|url=https://irishplayography.com/play?playid=32962|title=A+E|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904|access-date=25 August 2025}}&lt;/ref&gt;
* ''An tSeanbhróg'' (trans., ''The Old Shoe''), 2009, produced by Salamander&lt;ref&gt;{{Cite web|url=https://irishplayography.com/play?playid=33042|title=An tSeanbhróg|date=2025|website=PlayographyIreland: A Comprehensive Database of New Irish Plays Produced Professionally Since 1904|access-date=25 August 2025}}&lt;/ref&gt; and staged in the Axis Arts Centre, Dublin, and the Letterkenny Arts Centre.
* '''In ''Mhuir Fhíondorcha/The Wine-Dark Sea: The Homer Project'', Ó Scolaí's translation of Homer's Cyclops story, performed at the 2019 IMRAM festival'''.&lt;ref&gt;{{Cite news|url=https://www.irishtimes.com/culture/books/imram-a-festival-celebrating-the-irish-language-1.4047610|title=Imram: a festival celebrating the Irish language. Liam Carson reveals the myths and legends appearing in this year’s programme|last=Carson|first=Liam|date=11 October 2019|work=The Irish Times|access-date=15 October 2025}}&lt;/ref&gt;

==== Screenplays ====

* ''Cosa Nite'' (trans., ''Washed Feet''), short film, 1998 (dir. Dearbhla Walsh, prod. Ciarán Ó Cofaigh, Rosg); &quot;a prose version of ''Cosa Nite'' was published (Rosg 2000).&quot;&lt;ref name=&quot;:9&quot; /&gt; Nominated for an Irish Film and Television Award.&lt;ref&gt;{{Citation|title=Cosa Nite (Short 1998) - Awards - IMDb|url=https://www.imdb.com/title/tt0191917/awards/|accessdate=2025-08-25|language=en-US}}&lt;/ref&gt;
* ''Na Glúnta'' (trans., ''The Generations''), 2001&lt;ref&gt;{{Cite web|url=https://www.iftn.ie/production/production_companies/production_sub/feature/?act1=record&amp;aid=70&amp;rid=3917&amp;tpl=filmography_dets&amp;only=1&amp;force=1|title=Na Glúnta {{!}} The Irish Film &amp; Television Network|website=www.iftn.ie|access-date=2025-08-25}}&lt;/ref&gt;, co-directors Ciarán Ó Cofaigh &amp; Darach Ó Scolaí, prod. Ciarán Ó Cofaigh, Rosg.
* ''An Leabhar'' (trans., ''The Book''), short film, 2000, (dir. Robert Quinn, prod. Ciarán Ó Cofaigh, Rosg) Rosg, 2000.&lt;ref&gt;{{Citation|title=An Leabhar|url=https://www.imdb.com/title/tt0963767/|publisher=Bord Scannán na hÉireann / The Irish Film Board, ROSG|accessdate=2025-08-25|first=Robert|last=Quinn|others=Colm O&amp;apos;Maonlai, Peadar O&amp;apos;Treasaigh, Diarmuid Mac an Adhastair}}&lt;/ref&gt;
* ''Na Cloigne'' [trans., The Heads], 3-episide series, 2010 (dir. Robert Quinn, prod. Ciarán Ó Cofaigh, Rosg), TG4.&lt;ref&gt;{{Cite web|url=https://www.imdb.com/title/tt1607924/|title=Na cloigne|date=2010|website=IMDb|access-date=25 August 2025}}&lt;/ref&gt;
=== Nonfiction ===
Ó Scolaí's essays and lectures are published and his interviews are broadcast regularly, making for a large body of nonfiction critical and analytical work. Here are a few, almost all published in [https://comhar.ie/iris/scribhneoiri/darach-o-scolai/ Comhar]:

* “Ceol Ciúin na nÉagmaise” (trans., “The Silent Music of Absence ['''the Fall?''']”), an essay on the 2014 Nobel Prize winner for literature, [[wikipedia:Patrick_Modiano|Patrick Modiano]], ''Comhar'', December 2014.
* The Ó Cadhain Lecture: [https://leachtaiuichadhain.clo.ie/leachtai/2014 “Cuimhne agus Díchuimhne (trans., “Memory &amp; Forgetfulness&quot;]), 2014.
* “Rithim agus Réim” (&quot;Rhythm and Register&quot;), a public lecture in the University College Dublin lecture series “Ó Thrácht go Twitter” (trans., &quot;From Talk to Twitter&quot;), 2014.
* Review of Pádraig Ó Cíobháin’s ''Dréachta Chrích Fodla'', '''Comhar?, ??'''.
* “Na Geilt i mBun an Tí” (trans., &quot;The Madmen in Charge&quot;), a talk at the Merriman Winter School, Comhar April 2012.&lt;ref name=&quot;:18&quot;&gt;{{Cite web|url=http://darachoscolai.ie/beathaisneis.html|title=Darach Ó Scolaí: Beathaisnéis|website=darachoscolai.ie|access-date=2025-09-26}}&lt;/ref&gt;
* The EFACIS podcast: Síle Ní Choincheannain talks to Darach Ó Scolaí about the historical novel.

== Critical Reception ==
Ó Scolaí’s style has been called “crisp and elegant, and rich in language while being highly readable,”&lt;ref&gt;{{Cite journal|last=Heussaf|first=Anna|date=Summer 2025|title=Bláthnaid—A tale of love, violence and sorcery retold for readers today|url=https://booksirelandmagazine.com/blathnaid-a-tale-of-love-violence-and-sorcery/|journal=Books Ireland}}&lt;/ref&gt; with “an unsurpassed richness and precision of language.”&lt;ref name=&quot;:12&quot;&gt;{{Cite journal|last=Ó Cróinín|first=Breandán|date=Summer 2025|title=unknown|journal=The Limerick Leader}}&lt;/ref&gt; “Whimsical, hilarious, and subtly learned” is how Éilis Ní Dhuibhne described his writing.&lt;ref name=&quot;:20&quot; /&gt;   

=== Original Works ===
Ó Scolaí’s first novel, the 2007 ''An Cléireach'' (''The Clerk'') won two prizes and was described as “one of the great historical novels in the Irish language and among the best books written in the language since the beginning of this century.”&lt;ref name=&quot;:12&quot; /&gt; Novelist Alan Titley says, “In ''An Cléireach'' Ó Scolaí creates the Ireland of war in the 17th century more fully than any other Irish writer on the subject of war since ''L’Attaque'' Eoghain Ó Thuairisc around 1798 [In ''An Cléireach'' cruthaíonn Ó Scolaí Éire an chogaidh san 17ú haois níos iomláine ná mar a dhein aon scríbhneoir Gaeilge eile ar ábhar cogaidh ó ''L’Attaque'' Eoghain Uí Thuairisc timpeall ar 1798].”&lt;ref name=&quot;:11&quot; /&gt;{{rp|25, Col. 1a}} Not all the reviews of this first novel were so positive, however; Proinsias O' Drisceoil says for the Irish Times says,&lt;blockquote&gt;This then is a novel in search of a plot, a story that attempts to attain a significance that eludes it.&lt;ref&gt;{{Cite news|url=https://www.irishtimes.com/news/a-disaffected-clerk-in-the-confederates-1.943070|title=A disaffected clerk in the confederates|last=O' Drisceoil|first=Proinsias|date=5 July 2008|work=The Irish Times|access-date=16 October 2025}}&lt;/ref&gt;&lt;/blockquote&gt; 

In the ''Oxford Handbook of Modern Irish Fiction'' Pádraig Ó Siadhail analyzes rather than reviews ''An Cléireach'': &lt;blockquote&gt;In ''An Cléireach'', Ó Scolaí revisits the trauma of Cromwellian Ireland. The primary narrative device is once again the first-hand account, in this case by Tadhg Ó Dúbháin, a clerk and quartermaster in the Confederate Army in 1650. We sample the hardships, the friendships, the tensions, the rivalries, and the petty jealousies amongst comrades in arms, including remnants of the Gaelic literary class, as the Confederate soldiers, increasingly a rabble more than a cohesive unit, retreat in advance of Cromwell’s forces. ''An Cléireach'' concludes with the narrator and his family in exile in continental Europe. But along the retreat route, and central to the novel, members of the Confederate army camp, rest up, and tell versions of a story about the keeper of the treasured manuscript &quot;Saltair an Easpaig&quot; (The Bishop’s Psalter). Their versions raise issues about memory construction, the limitations of individual perspectives, personal agendas, and how minor changes in the telling of a story can alter our understanding of history, Thus, ''An Cléireach'' complements ''Fontenoy'' in moving beyond more realistic recreation of a historical event or period to interrogate the notion of history as construct.&lt;ref&gt;{{Cite book|title=The Oxford Handbook of Modern Irish Fiction|last=Ó Siadhail|first=Pádraig|publisher=Oxford University Press|year=2020|isbn=9780198754893|editor-last=Harte|editor-first=Liam|pages=598–99|chapter=Contemporary Irish Fiction}}&lt;/ref&gt; &lt;/blockquote&gt;

Of ''Súil an Daill,'' in ''Nós'', Cathal Seoighe says, &quot;The book deserves a significant place among the collection of high-quality books published in recent years that would make you feel sorry for someone who does not speak Irish [Tá áit shuntasach ag dul don leabhar i measc an chnuasaigh leabhair ar ardchaighdeán a foilsíodh le roinnt blianta anuas a d’fhágfadh trua agat don té atá gan Ghaeilge].&quot;&lt;ref&gt;{{Cite journal|last=Seoighe|first=Cathal|date=09/26/2022|title=‘Dar leathmhagairle an diabhail, is leabhar den scoth é seo!’ ['According to the devil’s half-wit, this is a great book!’]|url=https://nos.ie/cultur/leabhair/dar-leathmhagairle-an-diabhail-is-leabhar-den-scoth-e-seo/|journal=Nós}}&lt;/ref&gt;

''Bódléar'', Ó Scolaí's most recent book, is a “beautiful novel. There is magic and craftsmanship in it. A small miracle of a book and it is highly recommended.”&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/bodlear-mioruilt-bheag-de-leabhar/|title=Bódléar: Míorúilt bheag de leabhar (Bódléar: A Small Miracle of a Book)|last=Ní Ghairbhí|first=Róisín|date=2024|website=Leabhar Breac|access-date=1 August 2025}}&lt;/ref&gt; Éilis Ní Dhuibhne in the ''Irish Times'' says,&lt;blockquote&gt;what a gem! An affectionately gentle satire of the Irish poetic scene during one creatively fluid 19th-century year, the story focuses on a Maigue poet and schoolteacher who goes on a trip to France and returns with camembert, a cafetiere, ‘Fleurs du Mal’, and a mission to convert the local traditionalists to la modernité. Whimsical, hilarious, and subtly learned, it’s absolutely delightful!&lt;ref name=&quot;:20&quot;&gt;{{Cite journal|last=Ní Dhuibhne|first=Éilis|date=30 June 2025|title=Éilís Ní Dhuibhne on the best Irish language books of 2025 so far:
Including a history of the Gaeltacht Civil Rights Movements, a gem of a novel by Darach Ó Scolaí and Joe McHugh’s entertaining account of learning Irish|url=https://www.irishtimes.com/culture/books/review/2025/06/30/eilis-ni-dhuibhne-on-the-best-irish-language-books-of-2025-so-far/|journal=The Irish Times|pages=22}}&lt;/ref&gt;&lt;/blockquote&gt;

=== Retellings and Translations ===

==== ''Táin Bó Cuailnge'' ====
''Táin Bó Cuailnge'' [''The Cattle Raid of Cooley''] is a modern edition of an 11th-century epic into modern Irish.&lt;ref name=&quot;:3&quot; /&gt; Gearóid Denvir reviewed ''Táin Bó Cuailnge'' for ''Comhar'':&lt;blockquote&gt;Darach Ó Scolaí has ​​achieved a feat in this challenging reworking. He has found a high level of the Irish language to tell his story – as he has done before in his groundbreaking novel An Cléireach (2007, Leabhar Breac) and in his other prose works. This book is a decoration of the language, literature and culture of the Irish language, following the path of the old storytellers and writers and presenting material from the tradition to his own generation according to the understandings of his own time. The book will be a classic that will be of great interest to all readers of the Irish language, both ordinary readers, students, scholars and writers, and there should be a copy in every home in the country. [Tá éacht déanta ag Darach Ó Scolaí san athleagan dúshlánach seo. Tá réim ard den teanga Ghaeilge aimsithe aige lena scéal a inseacht – mar a rinne sé cheana ina úrscéal ceannródaíoch An Cléireach (2007, Leabhar Breac) agus i saothair eile phróis dá chuid. Is maisiú ar an teanga agus ar litríocht agus cultúr na Gaeilge an leabhar seo a leanas conair na seanscéalaithe agus na seanscríobhaithe agus ábhar de chuid an traidisiúin á chur i láthair a ghlúine féin aige de réir thuiscintí a linne féin. Clasaic a bheas sa leabhar a gcuirfidh léitheoirí uilig na Gaeilge, idir ghnáthléitheoirí, mhic léinn, scoláirí agus scríbhneoirí spéis thar na bearta ann, agus ba cheart cóip a bheith i chuile theach sa tír.]&lt;ref name=&quot;:15&quot;&gt;{{Cite journal|last=Denvir|first=Gearóid|date=April 2018|title=Táin Bó Cuailgne|url=https://comhar.ie/iris/78/4/leirmheas/|journal=Comhar|via=JSTOR}}&lt;/ref&gt; &lt;/blockquote&gt;Cathal Poirtéir says, &quot;The freshness and richness of Ó Scolaí’s version are a joy …. The author delights us with the linguistic and stylistic richness of the ancient epic in a modern-Irish version that reflects the original’s spirit and language.&quot;&lt;ref&gt;{{Cite journal|last=Poirtéir|first=Cathal|date=May/June 2018|title=Leabhair Idir Lámha|url=https://www.jstor.org/stable/26564180|journal=Books Ireland|pages=46–47|via=JSTOR}}&lt;/ref&gt;{{rp|47}} Novelist and academic Alan Titley calls Ó Scolaí's &quot;a wonderful gutsy telling&quot; of ''Táin Bó Cuailnge''.&lt;ref&gt;{{Cite news|url=https://www.irishtimes.com/culture/2023/03/11/the-tain-retold-maeve-and-ailills-spat-could-be-out-of-a-soap-opera/|title=The Táin retold: ‘Maeve and Ailill’s spat could be out of a soap opera’|last=Titley|first=Alan|date=11 March 2023|work=The Irish Times|access-date=16 October 2025}}&lt;/ref&gt;

==== ''Deirdre'' ====

Marie Whelton, in &quot;Léann Teanga&quot; (&quot;Language Studies&quot;), in the 2024 ''An Reiviú'' says,&lt;blockquote&gt;this version [of ''Deirdre''] by Darach Ó Scolaí succeeds in skillfully capturing and portraying the complexity of gender and power issues in the ‘Deirdre’ tradition [éiríonn leis an leagan seo le Darach Ó Scolaí castacht cheisteanna na hinscne agus na cumhachta i dtraidisiún scéal Dheirdre a ghabháil agus a léiriú go sciliúil]. … There is no doubt that this new version greatly contributes to the legacy of the story and that it revives that legacy thoughtfully and artistically [Níl amhras faoi ach go gcuireann an leagan úr seo go mór le hoidhreacht an scéil agus go ndéanann sé an oidhreacht sin a athbheochan go tuisceanach agus go healaíonta.].&lt;ref name=&quot;:16&quot;&gt;{{Cite web|url=https://www.tara.tcd.ie/tara8/server/api/core/bitstreams/3c20175a-7631-44b2-8b0f-f454edd712b4/content|title=An Artistic Retelling of Deirdre's Tale and the Defeat of Conor Review of Deirdre or the Ship of Mac Uisnigh by Darach Ó Scolaí [Athinsint Ealaíonta ar Oidhe Dheirdre agus ar Ansmacht Chonchúir Léirmheas ar Deirdre nó Loingeas Mhac Uisnigh le Darach Ó Scolaí]|last=Whelton|first=Marie|date=2024|website=The Review [An Reiviú], Language Studies [Léann Teanga]|access-date=25 September 2025}}&lt;/ref&gt;&lt;/blockquote&gt;
=== Works for Young Readers ===
Meadhbh Ní Eadhra said of ''Bodach an Chóta Lachna'' that it was &quot;Beautiful Irish, but easy to understand for young readers.&quot;&lt;ref&gt;Ní Eadhra, Meadhbh. In ''Gaelscéal'', qtd. in &quot;Bodach an Chóta Lachna&quot; https://leabharbreac.com/en/shop/oige-en/7-8/bodach-an-chota-lachna/.&lt;/ref&gt;

== Awards and Honors ==
Ó Scolaí's works are regularly nominated and make the short list for prizes, an honor in itself, but they are generally not listed here unless they are named as the first-place winner in their category.

=== Oireachtas Prize ===
The Oireachtas Prize is the literary prize awarded by [[wikipedia:Oireachtas_na_Gaeilge|Oireachtas na Gaeilge]], the annual arts festival dedicated to Irish language, arts and culture. Darach Ó Scolaí has won the Oireachtas Prize for Literary Fiction three times, once for ''An Cléireach'' (''The Clerk'') in 2007, for ''Súil an Daill'' (''The Eye of the Blind'') in 2021 and for ''Bódléar'' in 2024.

* 2007, for ''An Cléireach'' (trans., ''The Clerk'') — “(a special prize commemorating the 400th anniversary of the foundation of Coláiste na nGael in Louvain, awarded under the auspices of the Franciscan Province of Ireland). The prize of €10,000 was the largest prize ever awarded to an Irish language novel [(duais speisialta chomórtha 400 bliain bhunú Choláiste na nGael i Lobháin a bronnadh faoi urraíocht Phroibhinse Phroinsiasach na hÉireann). Ba é an duais €10,000 sin an duais ba mhó a bronnadh riamh ar úrscéal Gaeilge].”&lt;ref name=&quot;:18&quot; /&gt;
* 2021, for ''Súil an Daill'' (''The Eye of the Blind'')
* 2024, for ''Bódléar''

=== Ó Shúilleabháin Award, Irish language “Book of the Year” ===
The first prize of this award includes €5,000 to the publisher and €2,500 to the author of the winning work.&lt;ref name=&quot;:10&quot;&gt;{{Cite journal|date=15 August 2023|title=20 saothar san iomaíocht do ‘Leabhair Ghaeilge na Bliana 2023’|url=https://tuairisc.ie/20-saothar-san-iomaiocht-do-leabhair-ghaeilge-na-bliana-2023/|journal=Tuairisc}}&lt;/ref&gt;

* ''An Cléireach'' (''The Clerk'').&lt;ref&gt;{{Cite web|url=http:/www.gaelport.com/uploads/documents/edition19.html|title=Eagrán / Edition 19 - 04 11 2008|date=4/11/2008|website=Internet Archive|archive-url=https://web.archive.org/web/20130525011340/http:/www.gaelport.com/uploads/documents/edition19.html|archive-date=25 May 2013|access-date=25 August 2025}}&lt;/ref&gt;
* ''Táin Bó Cuailnge'', 2018.
* ''Bódléar'', 2025.

==== De Bhaldraithe Award ====
The Gradam de Bhaldraithe is awarded to the best work in translation.&lt;ref name=&quot;:10&quot; /&gt;

* ''Cuairt San Nioclás,'' a translation of Clement Clarke Moore's ''A Visit from St. Nicholas'', or &quot;'Twas the Night Before Christmas.&quot;&lt;ref name=&quot;:10&quot; /&gt;

==== Other ====

* Walter Macken Prize, for ''Coinneáil Orainn'' (trans., ''We'll Keep Going''), 2005
* Bháiteir Uí Mhaicín Memorial Award, for ''Coinneáil Orainn'' (trans., ''We'll Keep Going''), 2005&lt;ref&gt;{{Cite news|url=https://www.irishtimes.com/gaeilge/tuarascail/duais-oireachtais-1.501571|title=Oireachtas Prize: Over €50,000 was awarded to writers in the Oireachtas Literary Competitions at an event in Dublin last night. Winners… [Duais Oireachtais: Bronnadh breis agus €50,000 ar scríbhneoirí i gComórtais Liteartha an Oireachtais ar ócáid i mBaile Átha Cliath aréir. Bhuaigh…]|work=5 October 2005|access-date=15 October 2025}}&lt;/ref&gt;
* BBC Stewart Parker Award, for ''Coinneáil Orainn'' (trans., ''We'll Keep Going''), 2006
* The Aodán Mac Póilín Commemorative Prize, for ''Táin Bó Cuailnge'' (trans., ''The Cattle Raid of Cooley''), 2017

== External Links ==

* Leabhar Breac website: https://leabharbreac.com/en/
* Leabhar Breac Facebook pages:
* Rosg website: [http://www.rosg.ie/en/ &lt;nowiki&gt;http://ww&lt;/nowiki&gt;w.rosg.ie/en/]
* Art on the Island (Ealaín ar Oileán) website, archived at the Wayback Machine: https://web.archive.org/web/20130601000520/http://ealainaroilean.ie/ 31 March 2012, 1 June 2013 and 8 January 2014

* Darach Ó Scolaí's website Archived 25 September 2015 at the Wayback Machine: https://web.archive.org/web/20150925103456/http://darachoscolai.ie/
* Youtube video of [https://www.youtube.com/watch?v=OlP2AmSBzXc Breandán Ó Cróinin introducing Deirdre at the book launch] in the pub Tigh Mholly (Molly’s House).

== Primordial Ooze ==

* Known for his sensitivity to language and voices.
* Finish scanning through JSTOR
* Scan through Irish Times, 56 hits
* Check Goodreads
* Check YouTube (In the spring of 2013, the arts programme Imeall interviewed the author on TG4.)
* Check both Wikipedias for pages on the origins of the retold tales (like Deirdre) and link to this article
* Propose link from University of Galway page once Darach’s is up
* Write Irish National Biography (&lt;nowiki&gt;https://www.dib.ie&lt;/nowiki&gt;) to propose an article about Darach once the Wikip article is done? See what they say.
* Link to Ó Scolaí from the Wikipedia
* Make sure links '''to''' Wikipedia in the actual encyclopedia work right

=== Not Placed Yet ===

* &quot;So here are the books that Irish people love the most! [Mar sin seo iad na leabhair is gile leis na Gaeil!]&quot; — &quot;32. An Cléireach – Darach Ó Scolaí (2)&quot; [18 books got 2 votes, and then they're alphabetized by author's last name, so the 32 of 34 doesn't signify the specificity it seems to]&lt;ref name=&quot;:14&quot;&gt;{{Cite journal|last=Ó Murchú|first=Eoin P.|date=9 June 2017|title=Na 30 leabhar Gaeilge is fearr leis na Gaeil. [The 30 best Irish books for Irish people]|url=https://nos.ie/cultur/leabhair/an-30-leabhar-gaeilge-is-fearr-leis-na-gaeil/|journal=Nós}}&lt;/ref&gt;
* &quot;Below is a list of those 111 works – a list that shows a great deal of diversity in the reading habits of Irish speakers.Here is a list of those 111 works – a list that shows a great deal of diversity in the reading habits of Irish speakers [Anseo thíos tá liosta den 111 saothar sin – liosta a léiríonn éagsúlacht an-mhór i nósanna léitheoireachta Gaeilgeoirí.Anseo thíos tá liosta den 111 saothar sin – liosta a léiríonn éagsúlacht an-mhór i nósanna léitheoireachta Gaeilgeoirí].&quot; &quot;Corto Maltese – Hugo Pratt (aistrithe ag Darach Ó Scolaí)&quot;&lt;ref name=&quot;:14&quot; /&gt;
* &quot;Ceann eile de bhuaicphointí na hÉigse a bheidh sa seisiún le Darach Ó Scolaí, duine d’úrscéalaithe móra na Gaeilge, agus duine de chomhbhunaitheoirí teach foilsitheoireachta Leabhar Breac. [Another highlight of the Éigse will be the session with Darach Ó Scolaí, one of the great Irish language novelists, and one of the co-founders of the publishing house Leabhar Breac.]&quot;&lt;ref name=&quot;:17&quot;&gt;{{Cite journal|last=Nós|date=4 May 2023|title=Éigse na Bruiséile le filleadh i mí na Bealtaine. [Éigse na Bruséile to return in May]|url=https://nos.ie/cultur/eigse-na-bruiseile-le-filleadh-i-mi-na-bealtaine/|journal=Nós}}&lt;/ref&gt;

=== Things Taken Out for Now ===
“’The play is a comedy about language, lies, bureaucracy and Gaeltacht grants, in the tradition of Myles na Gcopaleen,’ according to Norma-Jean Kenny in the ''Galway Advertizer'', ‘in which the author comments and criticizes the institutions of the Irish language in Ireland without ceasing.’&quot;

Supposedly a quotation by Gearóid Denvir reviewing ''Táin Bó Cuailnge'' for ''Comhar'' (but I don't find it in the article):

This book has long been needed by Irish language readers and there is no doubt that it will become a classic in time and surpass Thomas Kinsella’s English version. This version remains faithful to the language of the original while at the same time finding an appropriate language in today’s Irish. Ó Scolaí masterfully overcomes the difficulties of the original’s rhetorical difficulties and the versions of the original poetic texts are extremely effective.[supposedly &lt;ref name=&quot;:15&quot; /&gt;]

“The biggest prize ever awarded for a novel in Irish was presented at a special ceremony in the National Concert Hall in Dublin, today (Thursday, 4 October 2007). Darach Ó Scolaí, writer, artist &amp; playwright from Casla, Co. Galway, was awarded €10,000 for his literary novel, ‘An Ardscoil’. This work, under the new title ‘An Cléireach’, will be launched at Oireachtas na Samhna in Westport in November. This is the first novel from his pen, a story set in the late seventeenth century. This competition was sponsored by the Franciscan Province of Ireland.” (archive, Oireachtas na Gaeilge site, 04 October, 2007)

''Súil an Daill'' (trans., ''The Eye of the Blind''), Leabhar Breac, 2021. number 2 in ''Comhar'' literary magazine’s list of best books of 2021. '''{6}.'''

*William Shakespeare, ''Romeo agus Juliet'' (trans. of ''Romeo and Juliet''), Leabhar Breac, 2016.
*Jonathan Swift, ''Camchuairt Ghuilivéir'' (trans. of ''Gulliver's Travels''), Leabhar Breac, 2016.

*Hugo Pratt, ''Corto Maltese''


'''''Flag of Bones (Bratach na gCnámh) Series'''''

Leabhar Breac published the Bratach na gCnámh series of books for young readers. Written in French by Alain Surget, illustrated by Annette Marnat and translated by Darach Ó Scolaí, this series uses the history of Caribbean Sea pirates&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/product-category/alain-surget/|title=Alain Surget Archives|website=Leabhar Breac|language=en-US|access-date=2025-09-30}}&lt;/ref&gt;:

*Alain Surget, ''Éalú as Páras'' (''Escape from Paris''), Annette Marnat (Illustr.), Leabhar Breac, 2011.
* Alain Surget, ''Oilean na Siorcanna'' (''Shark Island''), Annette Marnat (Illustr.), Leabhar Breac, 2011.
* Alain Surget, ''Long na dTaibhsi'' (''Ship of the Ghosts''), Annette Marnat (Illustr.), Leabhar Breac, 2011.
* Alain Surget, ''San Ochtapas Dubh'' (''In the Black Octopus''), Annette Marnat (Illustr.), Leabhar Breac, 2013.
* Alain Surget, ''San Ionsai ar Veracruz'' (''The Attack on Veracruz''), Annette Marnat (Illustr.), Leabhar Breac, 2013.
'''''For &quot;First Readers&quot; (children to 6 years old or so)'''''

These books were written originally in Catalan by Spanish author Enric Lluch Girbés and translated into Irish by Ó ScolaÍ:
*Enric Lluch, ''Ag Péinteáil an Tí'' (''Painting the House''), Anna Clariana (Illustr.), Leabhar Breac, 2017.
*Enric Lluch, ''An Colúr Bacach'' (''The Lazy Dove''), Anna Clariana (Illustr.), Leabhar Breac, 2017.
*Enric Lluch, ''An Phluais'' (''The Cave''), Anna Clariana (Illustr.), Leabhar Breac, 2017.
*Enric Lluch, ''Madra Dhaideo'' (''Grandpa's Dog''), Anna Clariana (Illustr.), Leabhar Breac, 2017.
*Enric Lluch, ''Fiacail Mháire'' (''Mary's Tooth''), Anna Clariana (Illustr.), Leabhar Breac, 2017.
'''''Bruno Heitz'''''

Leabhar Breac published a series of 3 Heitz books for small children. Published originally in French, this series of three comic books is about a blind mole named Cáitín Chaoch in Irish (and ''Louisette la taupe'' in French).&lt;ref&gt;{{Cite web|url=https://leabharbreac.com/en/product-category/bruno-heitz-en/|title=Bruno Heitz Archives|website=Leabhar Breac|language=en-US|access-date=2025-10-02}}&lt;/ref&gt; Ó Scolaí translated these:

*Bruno Heitz (author and illustr.), ''Práinneach'' (''Urgent''), Leabhar Breac, 2020
*Bruno Heitz (author and illustr.), ''Preab san Aer'' (''Bounce in the Air''), Leabhar Breac, 2020.

'''''Books for Toddlers'''''

Leabhar Breac has published 14 books written by French author Orianne Lallemand's and illustrated by Eleonore Thuillier, about Lallemmand's popular character Loup, Wolf. These are translated by Ó Scolaí:
*Orianne Lallemand, ''An Mac Tire a Raibh Faitios an Domhain Air'' (trans. of ''The Son Who Saw the World in His Eyes''), Eleonore Thuillier  Illustr.), Leabhar Breac, 2018.
*Orianne Lallemand, ''Macan agus an Goban'' (trans. of ''Macan and the Goblin''), Eleonore Thuillier (Illustr.), Leabhar Breac, 2018.
* Orianne Lallemand, ''A Mac Tíre a Chuaigh go Tóin na Farraige'' (trans. of ''The Wolf Who Went to the Bottom of the Sea''), Éléanore Thuillier  (Illustr.), Leabhar Breac, 2019.
'''''Board Books (for babies)'''''

J. C. (Joan Carles) Girbés Aparisi is a Catalan author and editor. These books were written in Catalan and translated by Ó Scolai.
*J. C. Girbés, ''An Phicnic'' (''The Picnic''), Silvia Ortega (Illustr.), Leabhar Breac, 2013.
* J. C. Girbés, ''An Chóisir'' (''The Party''), Silvia Ortega (Illustr.), Leabhar Breac, 2013.
*J. C. Girbés, ''Lá Mór Fada'' (''A Long Day''), Silvia Ortega (Illustr.), Leabhar Breac, 2014.
*J. C. Girbés, ''Tabhair Leat do Leabhar'' (''Bring Your Book''), Silvia Ortega (Illustr.), Leabhar Breac, 2014.

==== Gradam Réics Carló ====
The Réics Carló prize is awarded for the best book in the Irish language for young readers. It is named for one of the characters of 20th-century writer [[wikipedia:Cathal_Ó_Sándair|Cathal Ó Sándair (Charles Saunders)]].

* ''An Bradán Feasa'' was “shortlisted for the Réics Carlo award 2010.”&lt;ref name=&quot;:9&quot; /&gt;

== References ==
{{reflist}}</text>
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{{Motivation and emotion/Tutorials/In development}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development==
The topic development marking criteria:
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]

* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 02] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 02], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 02] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 02 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
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{{Motivation and emotion/Tutorials/In development}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 02] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 02], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 02] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 02 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
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{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 02] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 02], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 02] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 02] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 02 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>jezzvwwvopxkpfpsi0xgtiiljunas4b</sha1>
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      <text bytes="3252" sha1="j2lbek4qtyg000fwo70ptt08tmae1mx" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>j2lbek4qtyg000fwo70ptt08tmae1mx</sha1>
    </revision>
    <revision>
      <id>2822970</id>
      <parentid>2822913</parentid>
      <timestamp>2026-08-19T05:08:39Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Using genAI */ Update for 2026</comment>
      <origin>2822970</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3464" sha1="106tqjc0cf593l6ztshbmcjlr5xvlsl" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>106tqjc0cf593l6ztshbmcjlr5xvlsl</sha1>
    </revision>
    <revision>
      <id>2822972</id>
      <parentid>2822970</parentid>
      <timestamp>2026-08-19T05:32:13Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Social contribution */ Update for 2026</comment>
      <origin>2822972</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3645" sha1="79e4cz3wq0qz4vrra739kd8k8h5fygh" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>79e4cz3wq0qz4vrra739kd8k8h5fygh</sha1>
    </revision>
    <revision>
      <id>2822973</id>
      <parentid>2822972</parentid>
      <timestamp>2026-08-19T05:33:33Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Social contribution */ There are 3 types of contributions</comment>
      <origin>2822973</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3853" sha1="6tl1wobjvs8s5n6zycx7211x7p8hbbo" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* There are 3 types of contributions:
** '''Direct editing''' of (past or present) book chapters
** '''Commenting''' on (past or present) book chapters
** '''Discussion''' via UCLearn discussion forum posts 
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]].
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>6tl1wobjvs8s5n6zycx7211x7p8hbbo</sha1>
    </revision>
    <revision>
      <id>2822974</id>
      <parentid>2822973</parentid>
      <timestamp>2026-08-19T05:34:03Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>/* Social contribution */</comment>
      <origin>2822974</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3853" sha1="8jjoesxh4vxijwg1hmrsi3nyjczljyy" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* There are 3 types of contributions:
** '''Direct editing''' of (past or present) book chapters
** '''Commenting''' on (past or present) book chapters
** '''Discussion''' via UCLearn discussion forum posts 
* How to make and record [[Motivation and emotion/Wikiversity/Social contributions|social contributions]]:
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>8jjoesxh4vxijwg1hmrsi3nyjczljyy</sha1>
    </revision>
    <revision>
      <id>2822975</id>
      <parentid>2822974</parentid>
      <timestamp>2026-08-19T05:36:14Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>/* Social contribution */</comment>
      <origin>2822975</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="4067" sha1="2jpxet0gda0gwtoe7rny7zaspqnfm2x" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* What are [[Motivation and emotion/Wikiversity/Social contributions|social contributions]]?
** Any publicly viewable contribution to the internet that enhances the [[Motivation and emotion/Book|motivation and emotion project]] beyond the chapter you are working on.
* There are 3 types of social contributions:
** '''Direct editing''' of (past or present) book chapters
** '''Commenting''' on (past or present) book chapters
** '''Discussion''' via UCLearn discussion forum posts 
* How to make and record social contributions:
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>2jpxet0gda0gwtoe7rny7zaspqnfm2x</sha1>
    </revision>
    <revision>
      <id>2822976</id>
      <parentid>2822975</parentid>
      <timestamp>2026-08-19T05:37:52Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Social contribution */ Why social contributions?</comment>
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{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* What are [[Motivation and emotion/Wikiversity/Social contributions|social contributions]]?
** Any publicly viewable contribution to the internet that enhances the [[Motivation and emotion/Book|motivation and emotion project]] beyond the chapter you are working on.
* Why social contributions?
** Reward student engagement
** Encourage and support peer feedback 
** Enhance communication skills
** Improve quality of work
* There are 3 types of social contributions:
** '''Direct editing''' of (past or present) book chapters
** '''Commenting''' on (past or present) book chapters
** '''Discussion''' via UCLearn discussion forum posts 
* How to make and record social contributions:
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [Tutorial 2] (2026 TBA)
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>a13iimvk3vdxfvp1htef1t2pbz5fzgy</sha1>
    </revision>
    <revision>
      <id>2823043</id>
      <parentid>2822976</parentid>
      <timestamp>2026-08-19T08:43:34Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Recording */ Update for 2026</comment>
      <origin>2823043</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="4294" sha1="fzctw9ak5xc2idftn706ip4xvtaksyg" xml:space="preserve">{{Motivation and emotion/Tutorials|Tutorial 2: Wiki editing|second}}
{{Motivation and emotion/Tutorials/Complete2}}
&lt;!-- {{Motivation and emotion/Tutorials/Complete2}} --&gt;
&lt;!-- {{Motivation and emotion/Tutorials/In development}} --&gt;

==Overview==
This tutorial:
# practices basic wiki editing skills by creating a user page
# demonstrates how to make and record social contributions
# discusses the topic development marking criteria

==[[Motivation and emotion/Wikiversity/Basic skills|Basic skills]]==
{{:Motivation and emotion/Wikiversity/Basic skills}}

==Social contribution==
* What are [[Motivation and emotion/Wikiversity/Social contributions|social contributions]]?
** Any publicly viewable contribution to the internet that enhances the [[Motivation and emotion/Book|motivation and emotion project]] beyond the chapter you are working on.
* Why social contributions?
** Reward student engagement
** Encourage and support peer feedback 
** Enhance communication skills
** Improve quality of work
* There are 3 types of social contributions:
** '''Direct editing''' of (past or present) book chapters
** '''Commenting''' on (past or present) book chapters
** '''Discussion''' via UCLearn discussion forum posts 
* How to make and record social contributions:
** On your Wikiversity user page, create a section called “Social contributions”.
** In this section, describe each contribution with links to evidence.
** Use a numbered list.
* [[Motivation and emotion/Assessment/Chapter/Search for chapters to improve|Search for chapters to improve]]

==Topic development marking criteria==
# Title and sub-title (10%)
# Headings (10%)
# Overview (10%)
# Key points (10%)
# Figure (10%)
# Learning feature (10%)
# References (10%)
# Resources (10%)
# User page (10%)
# Social contribution (10%)

For more details, see the:
* [[Motivation and emotion/Assessment/Topic/Checklist|Topic development checklist]]
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]

==Using genAI==
* [[Motivation and emotion/Assessment/Using generative AI|Using generative AI]] (guidelines for this unit)
** Prompt and generate
** Copy and paste, providing a link to the genAI conversation in the Wikiversity edit summary, and publish
** Edit to revise (human-rewrite and fact-check to improve) and include citations
* Use the ''[https://www.studiosity.com/plus Studiosity Writing Feedback Plus]'' tool for AI feedback

==Next steps==
# [[Motivation and emotion/Assessment/Topic|Topic development]]: Develop an initial chapter plan consisting of:
## Headings
## Bullet-points (key points) for each section
## etc.
# For example, check out these [[Motivation and emotion/Assessment/Topic#Examples|examples of topic development submissions which received 100%]]

==Recording==
* [https://au-lti.bbcollab.com/recording/d28995dd45074818afefd515b0904453 Tutorial 2] (2026)&lt;!--
* [https://au-lti.bbcollab.com/recording/05ade9dd234741ec8d39686375f89354 Tutorial 2] (2025)&lt;!--
* [https://au-lti.bbcollab.com/recording/74141bb9bff443d88d5ce6ce7cca3ded Tutorial 2], 2024
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 1 (2023)
* [https://au-lti.bbcollab.com/recording/77888db4089b46d5848a7aaca32fb8a5 Tutorial 2] - Version 2 (2023)
* [https://au-lti.bbcollab.com/recording/723cca5c549a419398c722df033b2aea Tutorial 2] (2022)
* [https://au-lti.bbcollab.com/recording/bfbe6c14113a44dda4dd83ac0b45b7fc Tutorial 2 (2021)
--&gt;

==See also==
;Additional tutorial material
* [[Motivation and emotion/Wikiversity|Wikiversity skills]]

;Book chapters
* [[Motivation and emotion/Book|Motivation and emotion book]]
&lt;!--
;Wikipedia
--&gt;
;Lecture
* [[Motivation and emotion/Lectures/Historical development and assessment skills|Historical development and assessment skills]]

;Tutorials
* [[{{#titleparts:{{PAGENAME}}|2}}/Topic selection|Topic selection]] (Previous tutorial)
* [[{{#titleparts:{{PAGENAME}}|2}}/Physiological needs|Physiological needs]] (Next tutorial)

;Admin
* [[/Instructor notes/]]

==External links==
# [http://www.youtube.com/playlist?list=PLVx9pX-VnGVjAVQo8Qv_ohNP5r7JuzhRo Wikipedia editing basics] (YouTube)
&lt;noinclude&gt;{{Motivation and emotion/Tutorials/Navigation}}&lt;/noinclude&gt;
[[Category:Motivation and emotion/Tutorials/Wiki editing]]</text>
      <sha1>fzctw9ak5xc2idftn706ip4xvtaksyg</sha1>
    </revision>
  </page>
  <page>
    <title>User:Alandmanson/sandbox</title>
    <ns>2</ns>
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      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <origin>2822993</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="22755" sha1="a0n9ztasvhe85ez61yfj1pxq76usktt" xml:space="preserve">&lt;!--Info--&gt;
==Apoidea cladogram==

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1={{clade
                |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                |2={{clade
                  |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                  |2={{clade
                    |1=[[Eremiaspheciidae]] (One Afrotropical species)
                    |2=Entomosericidae (No Afrotropical genera)                
                     }}
                   }}
               }}
             |2={{clade
                |1=[[Psenidae]] (Four Afrotropical genera)
                |2={{clade
                  |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                  |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                    }}
                 }}
               }}
               }}
           }}
          }}
       }}

==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>a0n9ztasvhe85ez61yfj1pxq76usktt</sha1>
    </revision>
    <revision>
      <id>2823008</id>
      <parentid>2822993</parentid>
      <timestamp>2026-08-19T07:56:22Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea cladogram */</comment>
      <origin>2823008</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="22912" sha1="6t5hg0atlttqk4arju79pb4vv4rwbze" xml:space="preserve">&lt;!--Info--&gt;
==Apoidea cladogram==

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]]
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>6t5hg0atlttqk4arju79pb4vv4rwbze</sha1>
    </revision>
    <revision>
      <id>2823010</id>
      <parentid>2823008</parentid>
      <timestamp>2026-08-19T07:57:41Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea cladogram */</comment>
      <origin>2823010</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="22961" sha1="qv8kdf2rte3ygs7xfp11noz3igmydc2" xml:space="preserve">&lt;!--Info--&gt;
==Apoidea cladogram==

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]] (Seven Afrotropical genera in three subfamilies)
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>qv8kdf2rte3ygs7xfp11noz3igmydc2</sha1>
    </revision>
    <revision>
      <id>2823011</id>
      <parentid>2823010</parentid>
      <timestamp>2026-08-19T07:58:23Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea cladogram */</comment>
      <origin>2823011</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="22958" sha1="h8gyjblvmnj009n28njfzlbwyi6hckf" xml:space="preserve">&lt;!--Info--&gt;
==Apoidea cladogram==

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]] (18 Afrotropical genera in three subfamilies)
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>h8gyjblvmnj009n28njfzlbwyi6hckf</sha1>
    </revision>
    <revision>
      <id>2823073</id>
      <parentid>2823011</parentid>
      <timestamp>2026-08-19T09:35:03Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea cladogram */</comment>
      <origin>2823073</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="20364" sha1="sa259g2jnkt6ga5obl0bs0fmizpcxih" xml:space="preserve">&lt;!--Info--&gt;
==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>sa259g2jnkt6ga5obl0bs0fmizpcxih</sha1>
    </revision>
    <revision>
      <id>2823074</id>
      <parentid>2823073</parentid>
      <timestamp>2026-08-19T09:35:34Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Afrotropical Bembicidae */</comment>
      <origin>2823074</origin>
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      <format>text/x-wiki</format>
      <text bytes="19039" sha1="6sww5fckde898inal340bw4g9ept01x" xml:space="preserve">&lt;!--Info--&gt;
==References==
{{reflist}}

{{BookCat}}


= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>6sww5fckde898inal340bw4g9ept01x</sha1>
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= Pompilidae of South Africa =
== South African Pompilidae with fore-wings mainly orange to yellow with fuscous (darker or blackish) wing-tips ==
&lt;gallery mode=packed heights=200&gt;
Inaturalist 258649905 b.jpg
Hemipepsis hilaris - inaturalist 10850475.jpg
Cyphononyx decipiens inat 26259647 b.jpg
Tachypompilus ignitus inaturalist 311015843 02.jpg
Pompilidae 2021 12 12 inaturalist 313386858 04.jpg
Pompilidae 2020 04 13 inaturalist 43563902 06.jpg
&lt;/gallery&gt;
*The extent of the fuscous colour can be limited to the apex of the wing beyond the cells, or extend into the cells to a varying extent.
*
&lt;br&gt;

== South African Pompilidae with fore-wings fuscous (black or very dark) ==
*The wings often have green-blue-violet reflections.
&lt;gallery mode=packed heights=200&gt;
Pompilidae 2019 05 01 2835.jpg|Female ''Batozonellus fuliginosus''
Pompilidae inaturalist 124148802 01.jpg|Female ''Cyphononyx optimus''
Pompilidae 2021 12 18 iNat 316501919 a.jpg|Female ''Cyphononyx obscurus''
Pompilidae 2025 03 14 iNat 266538336 a.jpg|Male ''Hemipepsis vindex''
Pompilidae_2019_05_28_0256.jpg|
Spider-hunting Wasp (Hemipepsis) female (12640106905).jpg|''Hemipepsis'' sp.
&lt;/gallery&gt;

&lt;br&gt;
=== Species  with black antennae, legs, head, thorax and abdomen ===
Some parts may be brown.

*''Java atropos''
*''Cyphononyx obscurus''
*''Hemipepsis vindex''
*''Hemipepsis vespertilio''
*''Hemipepsis braunsi''
*''Batozonellus fuliginosus''
&lt;br&gt;
=== Species with black antennae, head, thorax and abdomen, but legs (or parts of some legs) yellow to red ===
*''Cyphononyx optimus''
*''Paracyphononyx zonatus''
&lt;br&gt;
&lt;br&gt;

== South African Pompilidae with fore-wings mainly hyaline to fuscous-hyaline ==
&lt;gallery mode=packed heights=200&gt;
Pompilidae inaturalist 123577538.jpg
Pompilidae inaturalist 46961473.jpg
Pompilidae iN 144781033 03.jpg

&lt;/gallery&gt;
*With fuscous (darker) wing apex
*One or two fuscous bands (faciated or bifaciated)
*Hyaline parts can be clouded (whiteish clouding) or coloured (yellow-tinted)


&lt;br&gt;
== South African Ceropalinae ==
Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region: [https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 Madl, 2020]
*''Ceropales africana'' Móczar, 1989. - {{font color||yellow|''helvetica'' group}} (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales cribrata cribrata'' A. Costa, 1881; key in Móczár 1986a: 321 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales {{font color||#0f0|(Priesnerius)}} gessi'' Móczar, 1988 (South Africa)
*''Ceropales {{font color||#0f0|(Priesnerius)}} grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales karooensis'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}} (Namibia, South Africa)
*''Ceropales kriechbaumeri'' Magretti, 1884 - {{font color||yellow|''helvetica'' group}} (Burkina Faso, Nigeria, South Africa?, Uganda, Zimbabwe?)
*''Ceropales {{font color||#0f0|(Priesnerius)}} kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Senegal, South Africa, Togo, Zimbabwe) 
*''Ceropales lawrencei'' Arnold, 1937 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales picta'' Shuckard, 1837; key in Móczár 1986b: 125 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus'' Cameron, 1904; key in Móczár 1986a: 320 (Lesotho, South Africa)
**''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
**''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
**= Hemiceropales scobinifera (Arnold, 1937): Móczár 1986a: 319
*''Ceropales (Bifidoceropales) sulciscutis'' Cameron, 1910; key in Móczár 1990: 61 (South Africa, Tanzania)
*''Ceropales waltoni'' Arnold, 1959 - {{font color||yellow|''helvetica'' group}}; key in Móczár 1989: 12 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
&lt;br&gt;

==Afrotropical Ceropalinae ==

Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region (Madl, 2020).&lt;ref name=Madl2020&gt;Madl, M. (2020). Annotated catalogue of the subfamily Ceropalinae (Hymenoptera: Pompilidae) of the Afrotropical region. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 72: 73-84.
[https://www.entomologie.at/permalink/articles/87-zeitschrift-der-arbeitsgemeinschaft-oesterreichischer-entomologen-72-2020-0073-0084 PDF]&lt;/ref&gt;


Ceropalinae can be defined by:&lt;ref name=Brothers1993&gt;Brothers, D. J. &amp; Finnamore. (1993). Superfamily Vespoidea. In Goulet, H. &amp; Huber, J. T. (Eds.). (1993). Hymenoptera of the world: an identification guide to families. 161-278. https://www.researchgate.net/publication/259227143&lt;/ref&gt;&lt;ref name=Waichert2015&gt; Waichert, C., Rodriguez, J., Wasbauer, M. S., Von Dohlen, C. D., &amp; Pitts, J. P. (2015). Molecular phylogeny and systematics of spider wasps (Hymenoptera: Pompilidae): redefining subfamily boundaries and the origin of the family. Zoological Journal of the Linnean Society, 175(2), 271-287. {{doi|10.1111/zoj.12272}} [https://www.researchgate.net/publication/282015793 PDF]&lt;/ref&gt;

== Genera and species of Afrotropical Ceropalinae ==

This list is based on that of [https://www.waspweb.org/Pompiloidea/Pompilidae/Ceropalinae/index.htm '''waspweb'''] with changes following the Catalogue of Life (Kroupa &amp; Schmid-Egger, 2025)&lt;ref name=CoL2025&gt; Kroupa, A. S., &amp; Schmid-Egger, C. (2025). Hymenoptera Information System, Pompilidae of the World (version 2019-09). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, R. Aalbu, J. Abbott, C. Aedo, E. Aescht, et al., Catalogue of Life (Version 2025-07-10). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dg9ld-4kv &lt;/ref&gt; and [[w:George_Arnold_(entomologist)|papers by Arnold (1932-1962)]].&lt;br&gt;

=== Genus ''Ceropales'' ===
*''Ceropales africana'' Móczar, 1989. (Angola, Botswana, Burkina Faso, Central African Republic, Democratic Republic of Congo, Gabon, Gambia, Ghana, Ivory Coast, Kenya, Malawi, Namibia, Nigeria, Senegal, South Africa, Togo, Yemen, Zambia)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales arnoldi'' Móczar, 1988 (Namibia)
*''Ceropales atra'' Móczar, 1991 (Botswana)
*''Ceropales cribrata cribrata'' A. Costa, 1881 (Angola, Burkina Faso, Democratic Republic of Congo, Ivory Coast, Lesotho, Namibia, Nigeria, Russia, South Africa, Senegal, Tanzania, Togo, Zambia, Zimbabwe. Also Palaearctic region)
*''Ceropales cribrata maculipes'' Móczar, 1986 (Zambia)
*''Ceropales carinitifrons'' Wahis, 1986 (Madagascar)
*''Ceropales angolaensis'' Móczar, 1989 (Angola)
*''Ceropales dayi'' Móczar, 1989 (Kenya)
*''Ceropales ferrugo'' Móczar, 1989 (Kenya)
*''Ceropales gambiae'' Móczar, 1989 (Burkina Faso, Cameroon, Democratic Republic of Congo, Gambia, Nigeria, Senegal, Sierra Leone)
*''Ceropales gessi'' Móczar, 1988 (South Africa)
*''Ceropales grahamstowni'' Móczar, 1988 (South Africa, Zimbabwe)
*''Ceropales juncoi'' Giner Mari, 1945 (Chad, Egypt, Israel, Pakistan, Somalia, Sudan, Western Sahara)
*''Ceropales karooensis'' Arnold, 1937 (Namibia, South Africa)
*''Ceropales kongoensis'' Móczar, 1988 (Burkina Faso, Democratic Republic of Congo, Ghana, Togo, Zimbabwe)
*''Ceropales kriechbaumeri'' Magretti, 1884 (Burkina Faso, Nigeria, South Africa, Uganda, Zimbabwe)
*''Ceropales latifasciatus'' Arnold, 1937 (Ethiopia)
*''Ceropales lawrencei'' Arnold, 1937 (Botswana, Mozambique, South Africa, Zimbabwe)
*''Ceropales levipleuris'' Wahis, 1987 (Madagascar)
*''Ceropales maliensis'' Móczar, 1989 (Mali, Senegal)
*''Ceropales maroccana'' Beaumont, 1947 (Burkina Faso, Democratic Republic of Congo, Gambia, Ghana, Ivory Coast, Nigeria, Senegal, Zimbabwe. Also Palaearctic region)
*''Ceropales multipicta'' Arnold, 1937 (Botswana, Namibia)
*''Ceropales picta'' Shuckard, 1837 (Democratic Republic of Congo, Ethiopia, South Africa, Uganda)
*''Ceropales punctulatus punctulatus'' Cameron, 1904 (Lesotho, South Africa)
*''Ceropales punctulatus bulawayoensis'' Bischoff, 1913 (Angola, Burkina Faso, Congo, Democratic Republic of Congo, Gambia, Ghana, Lesotho, Mali, Nigeria, Senegal, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zimbabwe)
*''Ceropales punctulatus cereris'' Arnold, 1937 (Lesotho, South Africa)
*''Ceropales ruficollis'' Cameron, 1910 (Kenya, Tanzania)
*''Ceropales saegeri'' Móczar, 1988 (Democratic Reublic of Congo)
*''Ceropales senegalensis'' Móczar, 1988 (Burkina Faso, Cameroon, Senegal)
**''Ceropales senegalensis mbouri'' Móczar, 1988 (Senegal)
*''Ceropales scobiniferus'' Arnold, 1937 (Democratic Republic of Congo, Mozambique, Nigeria, South Africa)
*''Ceropales seyrigi'' Wahis, 1987 (Madagascar)
*''Ceropales spinolai'' Móczar, 1988 (Guinea)
*''Ceropales subhelvetica'' Móczar, 1988 (Burkina Faso, Senegal. Also Palaearctic: Israel)
*''Ceropales sulciscutis'' Cameron, 1910 (South Africa, Tanzania)
**''Ceropales sulciscutis raymondi'' Móczar, 1990 (Democratic Republic of Congo)
*''Ceropales variolosus'' Arnold, 1937 (Democratic Republic of Congo, Ghana, Guinea, Mali, Nigeria, Senegal, Sudan, Togo, Uganda)
*''Ceropales waltoni'' Arnold, 1959 (Botswana, Congo, Democratic Republic of Congo, Lesotho, South Africa, Zimbabwe)
*''Ceropales yemeni'' Móczar, 1988 (Yemen. Also Palaearctic: Israel, Saudi Arabia)
&lt;br&gt;
=== Genus ''Irenangelus'' ===
*''Irenangelus madescassus'' Wahis, 1988 (Madagascar)
&lt;br&gt;

==Eumeninae==
Photos of ''Antodynerus'' on GBIF:&lt;br&gt;
''alboniger'': https://www.gbif.org/occurrence/1248689053 (CC BY-NC-SA 3.0)&lt;br&gt; 
''hova'': https://www.gbif.org/occurrence/1320165802 (CC0 1.0)&lt;br&gt;
''kelneri'': https://www.gbif.org/occurrence/3762658306 (CC BY-NC-SA 4.0)&lt;br&gt; 
''lugubris'': https://www.gbif.org/occurrence/1248689125 (CC BY-NC-SA 3.0)&lt;br&gt; 
''seyrigi'': https://www.gbif.org/occurrence/1322648015 (CC0 1.0)&lt;br&gt;
''sheffieldi'': https://www.gbif.org/occurrence/1318932924 (CC0 1.0)&lt;br&gt;
''silaos'': https://www.gbif.org/occurrence/1320574593 (CC0 1.0)&lt;br&gt;

==Ants==
'''Subfamilies of Formicidae (WaspWeb)'''

Number of iNaturalist records for subfamilies of Formicidae in Africa (2023-05-23)
Amblyoponinae              7
Dolichoderinae           630
Dorylinae                 1 167
Formicinae            10 396       Camponotus   6 090; Lepisiota 1 046
Myrmicinae              8 484       Crematogaster  1 786;   Pheidole  1 468;   Messor  1 156 
Ponerinae                1 623
Proceratiinae                  3
Pseudomyrmecinae   296


Aenictinae One Afrotropical genus ''Aenictus'' &lt;br&gt;

Aenictogitoninae One Afrotropical genus ''Aenictogiton'' &lt;br&gt;

Amblyoponinae Five Afrotropical genera &lt;br&gt;

Apomyrminae One Afrotropical genus ''Apomyrma'' &lt;br&gt; 

Cerapachyinae Five Afrotropical genera&lt;br&gt;

Dolichoderinae Eight Afrotropical genera&lt;br&gt;

Dorylinae One Afrotropical genus ''Dorylus'' &lt;br&gt;

Formicinae 20 Afrotropical genera&lt;br&gt;

Leptanillinae One Afrotropical genus ''Leptanilla'' &lt;br&gt;

Myrmicinae 37 Afrotropical genera &lt;br&gt;

Ponerinae 18 Afrotropical genera &lt;br&gt;

Proceratiinae Three Afrotropical genera  &lt;br&gt;

Pseudomyrmecinae One Afrotropical genus Tetraponera &lt;br&gt;


&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

== N-P interactions ==
Dai, Z., Liu, G., Chen, H., Chen, C., Wang, J., Ai, S., Wei, D., Li, D., Ma, B., Tang, C., Brookes, P.C. and Xu, J., 2020. Long-term nutrient inputs shift soil microbial functional profiles of phosphorus cycling in diverse agroecosystems. The ISME journal, 14(3), pp.757-770.
'''Abstract'''
Microorganisms play an important role in soil phosphorus (P) cycling and regulation of P availability in agroecosystems. However, the responses of the functional and ecological traits of P-transformation microorganisms to long-term nutrient inputs are largely unknown. This study used metagenomics to investigate changes in the relative abundance of microbial P-transformation genes at four long-term experimental sites that received various inputs of N and P nutrients (up to 39 years). Long-term P input increased microbial P immobilization by decreasing the relative abundance of the P-starvation response gene (phoR) and increasing that of the low-affinity inorganic phosphate transporter gene (pit). This contrasts with previous findings that low-P conditions facilitate P immobilization in culturable microorganisms in short-term studies. In comparison, long-term nitrogen (N) input significantly decreased soil pH, and consequently decreased the relative abundances of total microbial P-solubilizing genes and the abundances of Actinobacteria, Gammaproteobacteria, and Alphaproteobacteria containing genes coding for alkaline phosphatase, and weakened the connection of relevant key genes. This challenges the concept that microbial P-solubilization capacity is mainly regulated by N:P stoichiometry. It is concluded that long-term N inputs decreased microbial P-solubilizing and mineralizing capacity while P inputs favored microbial immobilization via altering the microbial functional profiles, providing a novel insight into the regulation of P cycling in sustainable agroecosystems from a microbial perspective.

==Diptera==
===Wing and leg-waving behavior in flies===
====Food detection====
*''Rhagio lineola'' and ''R. tringarius'' feed on pollen and/or honeydew, which they locate by sweeping their front legs across the surface of leaves. They have a few fine hairs on their front legs, probably for this purpose. Other Rhagionidae do not have these hairs. 
**https://www.researchgate.net/publication/359760392
*It is also possible that some flies sample the air with the chemical sensors on their legs or feet.
**https://bugguide.net/node/view/217136/bgpage
====Courtship====
*Some Taeniapterinae are thought to wave their white-tipped front legs attract females.
**https://bugguide.net/node/view/217136/bgpage
*''Physiphora clausa'' appear to use leg-waving in courtship displays.
**https://www.flickr.com/photos/jean_hort/4663220062
*Waving of forelegs is included in the complex courtship behavior of ''Physiphora demandata''
**https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1439-0310.1979.tb00298.x
====Mimics for defense====
*Stilt-legged flies ''Rainieria antennaepes'' mimic ichneumonid wasps. They extend their fore-legs in front of their head, so they look like wasp antennae.
**https://thingsbiological.wordpress.com/2012/05/21/stilt-legged-flies-rainieria-antennaepes/ 
*Some hover-fly species mimic wasps by mock stinging, leg waving, or wing wagging.
**https://www.jstor.org/stable/10.1086/674612
*Wing-waving to mimic salticid spiders.
**https://www.researchgate.net/publication/27373081 https://www.researchgate.net/publication/6083895&lt;br&gt;
&lt;br&gt;

===Number of iNat records in Acalyptrate fly families===
The [[w:acalyptratae|acalyptrate fly clade]] includes the following superfamilies and families:&lt;br&gt;

* '''Carnoidea'''
** Acartophthalmidae         0
** Australimyzidae           0
** Braulidae (bee lice)         1
** Canacidae (beach flies)         3
** Carnidae (bird flies)         0
** Chloropidae (frit flies)         259
** Cryptochetidae              1
** Inbiomyiidae                0
** Milichiidae (freeloader flies) 158
&lt;br&gt;
* '''Diopsoidea'''
** Diopsidae (stalk-eyed flies)    545
** Gobryidae                   0
** Megamerinidae               0
** Nothybidae                   0
** Psilidae (rust flies)         29
** Somatiidae                   0
** Syringogastridae            0
&lt;br&gt;
* '''Ephydroidea'''
** Camillidae  0
** Campichoetidae   0
** Curtonotidae (quasimodo flies)   15
** Diastatidae 0
** Drosophilidae (vinegar and fruit flies) 312
** Ephydridae (shore flies) 117
&lt;br&gt;
* '''Lauxanioidea'''
** Celyphidae (beetle flies)  0
** Chamaemyiidae (aphid flies)  24
** Cremifaniidae  0
** Lauxaniidae (lauxaniid flies)  710
&lt;br&gt;
* '''Nerioidea'''
** Cypselosomatidae  0
** Fergusoninidae  0
** Micropezidae (stilt-legged flies)  245
** Neriidae  109
** Strongylophthalmyiidae  0
** Tanypezidae (stretched-foot flies)  0
&lt;br&gt;
* '''Opomyzoidea'''
** Agromyzidae (leaf-miner flies) 161
** Anthomyzidae  3
** Asteiidae  4
** Aulacigastridae  2
** Clusiidae (druid flies) 2
** Marginidae  0
** Neminidae 0 
** Neurochaetidae 0
** Odiniidae  0
** Opomyzidae  4
** Periscelididae  1
** Teratomyzidae  0
** Xenasteiidae  0
&lt;br&gt;
* '''Sciomyzoidea''' 
** Coelopidae (kelp flies)  51
** Conopidae (thick-headed flies)  192
** Dryomyzidae  1
** Helcomyzidae  0
** Helosciomyzidae  0
** Heterocheilidae  0
** Huttoninidae  0
** Natalimyzidae  0
** Phaeomyiidae  0
** Ropalomeridae  1
** Sciomyzidae (marsh flies)  67
** Sepsidae (black scavenger flies)  269
&lt;br&gt;
* '''Sphaeroceroidea'''
** Chyromyidae (golden flies)  19
** Heleomyzidae (heleomyzid flies)  151
** Nannodastiidae  0
** Sphaeroceridae (lesser dung flies)  48
&lt;br&gt;
* '''Tephritoidea'''
** Ctenostylidae  1
** Lonchaeidae (lance flies) 47
** Pallopteridae (flutter-wing flies)  5
** Piophilidae (cheese skipper flies) 1
** Platystomatidae (signal flies)  683
** Pyrgotidae (scarab-pursuing flies)  119
** Richardiidae  0
** Tachiniscidae  2
** Tephritidae (fruit flies)  1,759
** Ulidiidae (picture-winged flies) 165

== References ==</text>
      <sha1>got7d9mghwqok6gt37ypbrirwxyrgm5</sha1>
    </revision>
  </page>
  <page>
    <title>User talk:IanVG</title>
    <ns>3</ns>
    <id>274033</id>
    <revision>
      <id>2822776</id>
      <parentid>2822569</parentid>
      <timestamp>2026-08-18T15:21:06Z</timestamp>
      <contributor>
        <username>IanVG</username>
        <id>2918363</id>
      </contributor>
      <comment>/* Possible copyright problem */ Reply</comment>
      <origin>2822776</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="23336" sha1="4r2ly8zpg0uu6f9it8leh02x4oxmsjz" xml:space="preserve">{{Robelbox|theme=9|title=Welcome!|width=100%}}
&lt;div style=&quot;{{Robelbox/pad}}&quot;&gt;
'''Hello and [[Wikiversity:Welcome|Welcome]] to [[Wikiversity:What is Wikiversity|Wikiversity]] IanVG!''' You can [[Wikiversity:Contact|contact us]] with [[Wikiversity:Questions|questions]] at the [[Wikiversity:Colloquium|colloquium]] or [[User talk:Dave Braunschweig|me personally]] when you need [[Help:Contents|help]]. Please remember to [[Wikiversity:Signature|sign and date]] your finished comments when [[Wikiversity:Who are Wikiversity participants?|participating]] in [[Wikiversity:Talk page|discussions]]. The signature icon [[File:OOUI JS signature icon LTR.svg]] above the edit window makes it simple. All users are expected to abide by our [[Wikiversity:Privacy policy|Privacy]], [[Wikiversity:Civility|Civility]], and the [[Foundation:Terms of Use|Terms of Use]] policies while at Wikiversity.

To [[Wikiversity:Introduction|get started]], you may
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* [[Help:guides|Take a guided tour]] and learn [[Help:Editing|to edit]].
* Visit a (kind of) [[Wikiversity:Random|random project]].
* [[Wikiversity:Browse|Browse]] Wikiversity, or visit a portal corresponding to your educational level: [[Portal: Pre-school Education|pre-school]], [[Portal: Primary Education|primary]], [[Portal:Secondary Education|secondary]], [[Portal:Tertiary Education|tertiary]], [[Portal:Non-formal Education|non-formal education]].
* Find out about [[Wikiversity:Research|research]] activities on Wikiversity.
* [[Wikiversity:Introduction explore|Explore]] Wikiversity with the links to your left.
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You do not need to be an educator to edit. You only need to [[Wikiversity:Be bold|be bold]] to contribute and to experiment with the [[wikiversity:sandbox|sandbox]] or [[special:mypage|your userpage]]. See you around Wikiversity! --[[User:Dave Braunschweig|Dave Braunschweig]] ([[User talk:Dave Braunschweig|discuss]] • [[Special:Contributions/Dave Braunschweig|contribs]]) 23:06, 27 April 2021 (UTC)&lt;/div&gt;
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{{Robelbox/close}}

== Thank you Dave! ==

Well, I am obviously replying far too late, but thank you @[[User:Dave Braunschweig|Dave Braunschweig]] for your kind words. [[User:IanVG|IanVG]] ([[User talk:IanVG|discuss]] • [[Special:Contributions/IanVG|contribs]]) 22:25, 29 July 2025 (UTC)

== Possible copyright problem ==
FYI, I just tagged [[Introduction to thermodynamics/Extensive and intensive properties]] for a possible copyright problem: CC NonCommercial not compatible with CC-BY-SA. --[[User:Dan Polansky|Dan Polansky]] ([[User talk:Dan Polansky|discuss]] • [[Special:Contributions/Dan Polansky|contribs]]) 17:41, 8 November 2025 (UTC)

:Hey @[[User:Dan Polansky|Dan Polansky]]! Thanks a ton, I didn't know that the Non-Commercial part of the license their work was licensed under led to that kind of copyright issue! Thanks for education and help :-). I haven't yet reached out, but I'm going to look for a format email that maybe someone else has already written on the wikipedia to help with this. [[User:IanVG|IanVG]] ([[User talk:IanVG|discuss]] • [[Special:Contributions/IanVG|contribs]]) 21:27, 12 November 2025 (UTC)
::Okay, just sent an email it looks something like:
::Dear Dr. Claire Yu Yan,
::I wanted to let you know that I enjoyed your Introduction to Engineering Thermodynamics at https://pressbooks.bccampus.ca/thermo1/, which I found while researching for the free, online and open learning resources on &quot;Wikiversity&quot; (sister project of &quot;Wikipedia&quot;); I thought that your information on the subject is worthy of inclusion in our living and growing document. 
::Wikiversity (
::https://www.wikiversity.org
::) is a Wikimedia Foundation project that is collaboratively edited by volunteers from around the world. Our goal is to create and host a living, and diverse set of learning resources, learning projects and research for use by teachers, students and researchers. It is not only available at no charge, but also freely distributed. It is one of many projects of the non-profit Wikimedia Foundation.
::We can only use your material if you are willing to grant permission for it to be used under terms of the Creative Commons Attribution-ShareAlike 4.0 International License. This means that although you retain the copyright and authorship of your own work, you are granting permission for all others (not just Wikipedia) to use, copy, and share your materials freely—and even potentially use them commercially—as long as they do not try to claim the copyright themselves, or try to prevent others from using or copying them freely. You can read this license in full at:  
::(https://en.wikipedia.org/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License)
::Please note that your contributions may not remain intact as submitted; this license, and the collaborative nature of our project, also entitles others to edit, alter, and update them at will, i.e., to keep up with new information, or suit the text to a different purpose. However, the license also expressly protects authors &quot;from being considered responsible for modifications made by others&quot; while ensuring that those authors get credit for their work. There is more information on our copyright policy at:  
::(https://en.wikipedia.org/wiki/Wikipedia:Copyrights)
::We choose the Creative Commons Attribution-ShareAlike 4.0 International License because it is the best available tool for ensuring that our encyclopedia is and can remain free for all to use, and for providing credit to everyone who donates text and images. It may or may not be compatible with your goals in creating the materials available on your website — that is your choice. Please be assured that if you do not grant permission, your materials will **not** be used at Wikipedia; we have a very strict policy against copyright violations. 
::If you do agree to grant permission, we will credit you for your work in the resulting article's references section, by stating it was based on your work and is used with your permission, and by providing a link back to your website.
::You are obviously an expert in your field, and we invite your active collaboration in writing and editing articles on this subject and any others that might be attractive to you. If you are interested, please see:  
::([[Wikiversity:Introduction|https://en.wikiversity.org/wiki/Wikiversity:Introduction]]) for more information!
::Thank you for your time; we look forward to your reply.
::Kindly,  
::&lt;My name&gt; [[User:IanVG|IanVG]] ([[User talk:IanVG|discuss]] • [[Special:Contributions/IanVG|contribs]]) 21:48, 12 November 2025 (UTC)
:::Have you heard back about the licensing issue? [[User:Mu301|mikeu]] &lt;sup&gt;[[User talk:Mu301|talk]]&lt;/sup&gt; 20:35, 17 August 2026 (UTC)
::::I unfortunately did not... :(. I'll start removing the content later this week. Should I move them to a sandbox type area, or just delete it outright? [[User:IanVG|IanVG]] ([[User talk:IanVG|discuss]] • [[Special:Contributions/IanVG|contribs]]) 15:21, 18 August 2026 (UTC)

== Wikimedians for Sustainable Development - January 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty first newsletter. This issue has news related to SDG 15.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; User group news
*  The [[m:Wikimedians for Sustainable Development/Reports/2025|annual report for 2025]] was published.
* [[m:Wikimedians for Sustainable Development/Next meeting|Next user group meeting]] is 22 February.
* The drafting of the [[m:Wikimedians for Sustainable Development/Annual plan 2026|2026 annual plan]] is under way, please help.

; Other news
* [https://diff.wikimedia.org/2026/01/09/winning-images-of-the-special-category-human-rights-and-environment-from-wiki-loves-earth-2025%F0%9F%A4%9D/ Winning images of the special category “Human Rights and Environment” from Wiki Loves Earth 2025🤝] (SDG 15)

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== Wikimedians for Sustainable Development - February 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty second newsletter. This issue has news related to SDG 4, 5, 10, 13, 15, 16 and 17.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

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* A proposal for a climate and sustainability meetup at Wikimania has been submitted. Keep your fingers crossed it gets accepted!

; Other news
* [https://metabase.wikibase.cloud Metabase], a project to create a [[m:Movement Strategy/Initiatives/Knowledge Base|movement-wide knowledgebase for activities and initiatives]], now has the property [https://metabase.wikibase.cloud/wiki/Property:P109 relates to sustainable development goal, target or indicator] and all the Sustainable Development Goals, Targets and Indicators. This makes it possible to make sure that your projects and initiative that supports these are marked as doing so and also find previous efforts related to them.
* [https://diff.wikimedia.org/2026/02/11/wiki-for-botanists-why-thematic-engagement-matters/ Wiki for Botanists: Why thematic engagement matters] (SDG 15)
* [https://diff.wikimedia.org/2026/02/15/influence-of-seasonal-and-eco-climatic-factors-on-butterfly-diversity-insights-from-wiki-loves-butterfly/ Influence of Seasonal and Eco-climatic Factors on Butterfly Diversity: Insights from Wiki Loves Butterfly] (SDG 15)
* [https://diff.wikimedia.org/2026/02/15/african-women-in-climate-action-a-continued-editing-journey-through-the-edither-africa-contest-2026/ African Women in Climate Action: A Continued Editing Journey through the EditHer Africa Contest 2026] (SDG 5 &amp; 13)

; Events
* March is Women's History Month and also has the Internaltional Women's day, so there are plenty of related events. Check out [[m:Special:AllEvents|Special:AllEvents]] to find some near you. (SDG 5)
* [[m:Wiki Loves Ramadan 2026|Wiki Loves Ramadan 2026]] (SDG 16)
* [[d:Wikidata:WikiProject_India/Events/International_Mother_Language_Day_2026_Datathon|International Mother Language Day 2026 Datathon]] (SDG 4, 10 &amp;17)

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== Wikimedians for Sustainable Development - March 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty third newsletter. This issue has news related to SDG 15.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; User group news
* There is now a [[c:Template:User Wikimedians for Sustainable Development|user box template on Wikimedia Commons]] that you can use to show that you are participant of the user group. There were already user boxes on [[m:Template:User Wikimedians for Sustainable Development|Meta]], [[d:Template:User Wikimedians for Sustainable Development|Wikidata]], [[w:en:Template:User Wikimedians for Sustainable Development|English]] and [[w:sv:Mall:Användare Wikimedians for Sustainable Development|Swedish]] Wikipedia. If your home wiki uses user boxes but lacks one, feel free to copy any of these to it.

; Other news
* [https://wikimediafoundation.org/news/2026/03/02/the-winners-of-wiki-loves-earth-2025/ “Cinematic intensity”: The winners of Wiki Loves Earth 2025] (SDG 15)
* [https://www.nature.com/articles/d41586-026-00940-y Scientists should join collaborative online editing communities for biodiversity] (SDG 15)

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== Wikimedians for Sustainable Development - April 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty fourth newsletter. This issue has news related to SDG 2, 5, 6, 7, 13 and 15.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; News
* [[diffblog:2026/04/15/from-lens-to-knowledge-citizen-science-through-wiki-loves-butterfly/|From Lens to Knowledge: Citizen Science through Wiki Loves Butterfly]] (SDG 15)
* [[outreach:GLAM/Newsletter/March 2026/Contents/Biodiversity Heritage Library report|Wikidata type specimen data model]]  (SDG 15)
* [[outreach:GLAM/Newsletter/March 2026/Contents/Macedonia report|Edit-a-thon &quot;Women Botanists&quot; and “Plants Around Us: Veles” workshop]] (SDG 5 &amp; 15)

; Events
* Ongoing: [[w:en:Wikipedia:100 Days 100 Edits|100 Days 100 Edits]] (SDG 13)
* Ongoing: [[m:Wiki for Sustainable Futures 2026|Wiki for Sustainable Futures 2026]] (SDG 2, 6 &amp; 7)
* May 9-10: [[w:sv:Wikipedia:Projekt naturgeografi/Fotosafari: Fåglar i Skåne 2026|Bird photography trip]] in south Sweden (SDG 15)
* May 30: [[w:sv:Wikipedia:Skrivstuga/Biologisk mångfald|Editathon about biodiversity]] in Stockholm (SDG 15)

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== Wikimedians for Sustainable Development - May 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty fifth newsletter. This issue has news related to SDG 2, 6, 7, 13 and 15.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; News
* [[diffblog:2026/05/19/wikimedia-projects-and-the-climate-crisis-how-wiki-for-sustainable-futures-2026-is-being-built/|Wikimedia Projects and the Climate Crisis: How Wiki for Sustainable Futures 2026 Is Being BuiltWikimedia Projects and the Climate Crisis: How Wiki for Sustainable Futures 2026 Is Being Built]] (SDG 2 &amp; 6 &amp; 7 &amp; 13)
* [https://wikiedu.org/blog/2026/05/21/earth-day-every-day-preserving-biodiversity-on-wikipedia/ Earth Day, Every Day: Preserving Biodiversity on Wikipedia] (SDG 15)
*[[diffblog:ar/2026/05/29/%d8%a7%d9%86%d8%b7%d9%84%d8%a7%d9%82-%d9%85%d8%b3%d8%a7%d8%a8%d9%82%d8%a9-%d8%a7%d9%84%d8%a8%d9%8a%d8%a6%d8%a9-%d8%a7%d9%84%d8%b9%d8%b1%d8%a8%d9%8a%d8%a9-2026-%d9%85%d8%a8%d8%a7%d8%af%d8%b1%d8%a9/|Launch of the Arabic Environmental Contest 2026: an ambitious initiative to enrich environmental content]] (SDG 2 &amp; 6 &amp; 7)
* [https://wikimedia.org.au/wiki/From_the_field_to_the_free_web From the field to the free web] (SDG 15)

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== Wikimedians for Sustainable Development - June 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty sixth newsletter. This issue has news related to SDG 4, 5 and 10.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; In the news
* [[diffblog:2026/06/08/reading-wikipedia-in-the-classroom-in-wa-ghana-empowering-educators-with-media-and-information-literacy-skills/|Reading Wikipedia in the Classroom in Wa, Ghana: Empowering Educators with Media and Information Literacy Skills]] (SDG 4)
* [[diffblog:2026/06/12/amplifying-womens-stories-and-indigenous-knowledge-feminism-and-folklore-2026-in-the-igbo-community/|Amplifying Women’s Stories and Indigenous Knowledge: Feminism and Folklore 2026 in the Igbo Community]] (SDG 5)
* [[diffblog:2026/06/13/artfeminism-network-organizers-at-eseap-conference-2026/|Art+Feminism Network Organizers at ESEAP Conference 2026]] (SDG 5)
* [[diffblog:2026/06/14/a-reflection-on-what-i-learned-at-my-first-international-womens-day-celebration/|A Reflection on What I Learned at My First International Women’s Day Celebration]] (SDG 5)
* [[diffblog:2026/06/16/from-mentee-to-builder-my-six-months-in-the-eduwiki-hub-mentorship-program/|From Mentee to Builder: My Six Months in the EduWiki Hub Mentorship Program]] (SDG 4)
* [[diffblog:2026/06/16/building-skills-and-confidence-during-my-three-month-journey-through-the-on-wiki-skill-program-organized-by-africa-wiki-women/|Building Skills and Confidence During My Three-Month Journey Through the On Wiki Skill Program Organized by Africa Wiki Women]] (SDG 5)
* [[diffblog:2026/06/17/why-the-eduwiki-starter-kit-matters-for-the-future-of-education/|Why the EduWiki Starter Kit Matters for the Future of Education]] (SDG 4)
* [[diffblog:2026/06/17/empowering-new-editors-to-bridge-the-gender-gap-my-experience-as-a-mentor-in-the-edither-africa-april-2026-contest/|Empowering New Editors to Bridge the Gender Gap: My Experience as a Mentor in the EditHer Africa April 2026 Contest]] (SDG 5)
* [[diffblog:2026/06/18/visible-women-edit-a-thon-piloting-a-collaborative-approach-to-free-knowledge-in-hong-kong/|Visible Women Edit-a-thon: Piloting a Collaborative Approach to Free Knowledge in Hong Kong]] (SDG 5)
* [[diffblog:2026/06/23/guiding-new-voices-training-women-in-wikidata-during-the-april-edither-africa-contest/|Guiding New Voices: Training Women in Wikidata during the April EditHer Africa Contest]] (SDG 5)
* [[diffblog:2026/06/23/wikimedia-community-usergroup-botswana-in-collaboration-with-art-and-feminism-on-wikidata-mobile-training-2026/|Wikimedia Community Usergroup Botswana in collaboration with Art and Feminism on Wikidata Mobile Training 2026]] (SDG 5)

; Events
* 10-18 July: [[m:Event:Wikiwomen Camp 2026|Wikiwomen Camp 2026]] (SDG 5)
* 14 July [[w:de:Veranstaltung:Queers &amp; Frauen 14.07.2026|Queers &amp; Frauen]] (SDG 5 &amp; 10)
* 21-25 July: Wikimania is coming up and there are plenty of sessions related to sustainable development. There is now a dedicated page for those sessions at [[wikimania:2026:Program/SDG related sessions]].
* 23 July: [[m:Event:From Constitution to Community — Documenting Queer Rights Movements|From Constitution to Community — Documenting Queer Rights Movements]] (SDG 10)
* 14 July [[w:de:Veranstaltung:Queers &amp; Frauen 28.07.2026|Queers &amp; Frauen]] (SDG 5 &amp; 10)

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== Wikimedians for Sustainable Development - July 2026 Newsletter ==

&lt;div lang=&quot;en&quot; dir=&quot;ltr&quot; class=&quot;mw-content-ltr&quot;&gt;This is our fifty seventh newsletter. This issue has news related to SDG 5, 6, 15 and 16.&lt;div style=&quot;column-count:2; column-width: 400px;&quot;&gt;

; News
* [[diffblog:2026/07/04/photowalk-at-the-purbachal-reserve-forest/|Photowalk at the Purbachal Reserve Forest]] (SDG 15)
* [[diffblog:2026/07/13/welcoming-women-into-wikimedia-tech-a-guide-based-on-lived-experiences/|Welcoming Women+ into Wikimedia Tech: A Guide Based on Lived Experiences]] (SDG 5)
* [[diffblog:2026/07/14/empowering-youth-through-knowledge-wikipedia-for-freedom-of-elections-in-armenia/|Empowering Youth Through Knowledge: “Wikipedia for Freedom of Elections” in Armenia]] (SDG 16)
* [[diffblog:2026/07/19/water-for-life-knowledge-for-all-how-wikiverse-botswana-is-showcasing-africas-water-story-through-the-africa-wiki-challenge-2026/|Water for Life, Knowledge for All: How WikiVerse Botswana is Showcasing Africa’s Water Story Through the Africa Wiki Challenge 2026]] (SDG 6)
* Wikimania: There were so many sessions and posters related to the SDGs, they can't all be listed here. But on [[wikimania:2026:Program/SDG related sessions|this Wikimania page]] you can find them all and the session pages have links to the recordings.

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# &lt;!-- Golden rules: --&gt;[[Wikiversity:Be bold|Be bold]] + [[Wikiversity:Assume good faith|Assume good faith]] 
# [[Help:How to edit a page|Editing]]
## Edit ([[mw:Help:VisualEditor/User guide|visual editor]])
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[[Category:Motivation and emotion/Wikiversity]]&lt;/noinclude&gt;</text>
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      <comment>[[Help:Watchlist|Watchlist]]</comment>
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Some more advanced wiki skills that may be useful:&lt;/noinclude&gt;
# [[Motivation and emotion/Wikiversity/Feature box|Feature boxes]] 
# Hiding content - Using edit source, wrap content to be hidden in code like this:&lt;br&gt;&lt;code&gt;&lt;nowiki&gt;&lt;!-- stuff to be hidden --&gt;&lt;/nowiki&gt;&lt;/code&gt;
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# [https://chrome.google.com/webstore/detail/word-count/pnngehidikgomgfjbpffonkeimgbpjlh?hl=en-GB Word count] (Google Chrome add-on)&lt;noinclude&gt; [[Category:Motivation and emotion/Wikiversity]]&lt;/noinclude&gt;</text>
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    <title>African Arthropods/Aculeata</title>
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      <comment>/* Superfamily Apoidea (Bees and Apoid Wasps) */</comment>
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      <text bytes="7327" sha1="4o2r7tdpu91ocfd2n27ac5hxrfi3ggm" xml:space="preserve">Infraorder Aculeta includes the ants, bees, and stinging wasps of the [[African Arthropods/Insects|insect]] Order [[African Arthropods/Hymenoptera|Hymenoptera]]

== Families of African Aculeata ==
Below are examples from the families found in Africa.

=== Superfamily [[African Arthropods/Apoidea|Apoidea]] (Bees and Apoid Wasps) ===
The relationships between the different families within the Apoidea is shown in [[w:Apoidea#Phylogeny|this phylogenetic tree]]. 
:'''Basal Apoidea'''
&lt;gallery mode=packed heights=200&gt;
Ampulicidae 37894270 suncana.jpg|[[African Arthropods/Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Ammophila (wasp)|''Ampulex'' cf. ''apicalis'']])
Dolichurus cf basuto iN 99066897 Sep 29, 2021.jpg|[[African Arthropods/Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Dolichurus|''Dolichurus'' cf. ''basuto'']])
Astata iN 105162782 Nicola van Berkel.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata |''Astata'' sp.]])
&lt;/gallery&gt;
:'''Sphecid clade'''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg|[[w:Bembicidae|Bembicidae]] - sand wasps ([[w:Gorytes |''Gorytes'' cf ''natalensis'']])
Tachysphex iN 250449986 2024 10 09 7305.jpg|[[African Arthropods/Crabroninae|Crabronidae]] - sand wasps ([[w:Tachysphex |''Tachysphex'' cf ''asinus'']])
Ammophila ferrugineipes Thread-waisted wasp IMG 2008s.jpg|[[African Arthropods/Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Ammophila|Ammophila ferrugineipes]]'')
&lt;/gallery&gt;
:'''Philanthid clade'''
&lt;gallery mode=packed heights=200&gt;
Polemistus braunsii iNaturalist 228280708.jpg|[[w:Pemphredonidae|Pemphredonidae]] - bee wolves and allies (''[[w:Polemistus braunsii|Polemistus braunsii]]'')
Cerceris 2019 12 02 2310.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Cerceris|Cerceris]]'' sp.)
Philanthus triangulum diadema 187037342.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Philanthus triangulum|Philanthus triangulum diadema]]'')
&lt;/gallery&gt;

:'''Families closely related to bees'''
&lt;gallery mode=packed heights=200&gt;
Psenini iN 1022563 i c riddell.jpg|[[w:Psenidae|Psenidae]] (Unidentified psenid wasp)
Lindenius columbianus 02.jpg|[[w:Ammoplanidae|Ammoplanidae]] (''Ammoplanus salicis'', an ammoplanid wasp from New Mexico)
&lt;/gallery&gt;

:'''Epifamily Anthophila (Bees)'''
&lt;gallery mode=packed heights=200&gt;
A mining bee, Genus Andrena.jpg|'''[[w:Andrenidae|Andrenidae]]''' - Mining bees (''Andrena'' sp.)
Peltophorum africanum 1DS-II 6699.jpg|'''[[w:Apidae|Apidae]]''' - honey, cuckoo, digger &amp; carpenter bees (''Xylocopa caffra'')
Scrapter niger 2 flowers towards Avontuur.jpg|'''[[w:Colletidae|Colletidae]]''' - membrane, plasterer &amp; masked bees (''Scrapter niger'')
Halictid Bees (Spatunomia rubra) males roosting on a branch (16602329167).jpg|'''[[w:Halictidae|Halictidae]]''' - sweat bees, flower bees (''Spatunomia rubra'')
Black bee in flower (6967270401).jpg|'''[[w:Megachilidae|Megachilidae]]''' - leaf-cutting bees, mason bees
Rediviva, f, south africa, side 2014-11-04-13.11.43 ZS PMax (15794500671).jpg|'''[[w:Melittidae|Melittidae]]''' - melittid bees (''Rediviva'' sp.)
&lt;/gallery&gt;

:'''Apoid family with unknown affinities'''
&lt;gallery mode=packed heights=200&gt;
Heterogyna04.jpg|[[w:Heterogynaidae|Heterogynaidae]] (''Heterogyna'' sp.)
&lt;/gallery&gt;

=== Superfamily Chrysidoidea (Cuckoo Wasps and Allies) ===
&lt;gallery mode=packed heights=200&gt;
Bethylidae 2019 08 21 13 42 21 8760.jpg|'''Bethylidae''' - bethylid wasps
Green cuckoo wasp (family Chrysididae).jpg|'''Chrysididae''' - cuckoo wasps
A pincer wasp, Genus Gonatopus iNat44364633.jpg|'''Dryinidae''' - dryinid wasps (''Gonatopus'' sp.)
&lt;/gallery&gt;
:::[http://www.WaspWeb.org/Classification/index.htm '''WaspWeb'''] has photographs of museum specimens from the Families '''Embolemidae''', '''Plumariidae''', '''Sclerogibbidae''', and '''Scolebythidae'''  (also Superfamily Chrysidoidea).&lt;br&gt;

=== Superfamily Formicoidea (Ants) ===

::Family '''Formicidae''' (Ants)
&lt;gallery mode=packed heights=200&gt;
Aenictogiton sp.jpg|''Aenictogiton'' sp., Aenictogitoninae 
Apomyrma stygia casent0101444 profile 1.jpg|''Apomyrma stygia'', Apomyrminae 
Cerapachys coxalis casent0173076 profile 1.jpg|''Cerapachys coxalis'', Cerapachyinae 
Cerapachys centurio castype12081-02 profile 1.jpg|''Cerapachys centurio'', Cerapachyinae
Tapinoma subtile casent0132840 dorsal 1.jpg|''Tapinoma subtile'', Dolichoderinae 
Dorylus helvolus, a, Seringveld.jpg|''Dorylus helvolus'', Dorylinae  
Polyrhachis schistacea00.jpg|''Polyrhachis schistacea'', Formicinae 
Anoplolepis custodiens, met prooi, a, Krugersdorp.jpg|''Anoplolepis custodiens'', Formicinae 
AFRICAN THIEF ANT SIX.jpg|''Carebara vidua'', Myrmicinae 
Millipede Hunter Ant (Plectroctena mandibularis) (11904420373).jpg|''Plectroctena mandibularis'', Ponerinae 
Discothyrea hewitti sam-hym-c000061a profile 1.jpg|''Discothyrea hewitti'', Proceratiinae 
Probolomyrmex filiformis casent0102141 profile 1.jpg|''Probolomyrmex filiformis'', Proceratiinae 
Slender Ant (Tetraponera natalensis) (30538051244).jpg|''Tetraponera natalensis'', Pseudomyrmecinae
&lt;/gallery&gt;

=== Superfamily Pompiloidea (Spider Wasps, Velvet Ants, and Allies) ===
&lt;gallery mode=packed heights=200&gt;
Dasylabris namaquana 2022 03 09 7859.jpg|'''Mutillidae''' - velvet ants (''Dasylabris namaquana'')
Pompilidae 2019 05 28 0247.jpg|'''Pompilidae''' - spider-hunting wasps (Tribe Ageniellini)
Sapygina undulata iNat37583092 02.jpg|'''Sapygidae''' - sapygid wasps (''Sapygina undulata'')
&lt;/gallery&gt;

=== Superfamily Scolioidea (Scoliid Wasp Superfamily) ===
&lt;gallery mode=packed heights=200&gt;
Velvet ant in Namib-Naukluft National Park.JPG|'''Bradynobaenidae''' - bradynobaenid wasps (''Apterogyna'' sp.)
Scoliid Wasp 2019 06 08 0492.jpg|'''Scoliidae''' - scoliid wasps (Tribe Campsomerini)
&lt;/gallery&gt;

=== Superfamily Thynnoidea (Thynnid and Chyphotid) ===
&lt;gallery mode=packed heights=200&gt;
Tiphiid Wasp (Meria sp.) (7002986423).jpg|'''Thynnidae''' - thynnid wasps (''Meria'' sp.)
Meria 2020 08 12 2193.jpg|'''Thynnidae''' - thynnid wasps (''Meria'' sp.)
&lt;/gallery&gt;

=== Superfamily Tiphioidea (Tiphiid Flower Wasps and Allies) ===
&lt;gallery mode=packed heights=200&gt;
Tiphia 2020 01 01 7551.jpg|'''Tiphiidae''' - tiphiid wasps (''Tiphia'' sp.) 
Tiphia 2019 11 12 9653.jpg|'''Tiphiidae''' - tiphiid wasps (''Tiphia'' sp.) 
&lt;/gallery&gt;

=== Superfamily Vespoidea (Vespoid Wasps) ===
&lt;gallery mode=packed heights=200&gt;
Belonogaster dubia (Vespidae) (6227490469) crop.jpg|'''Vespidae''' - paper, potter and pollen wasps (''Belonogaster'' sp., a paper wasp)
Afreumenes nestbuilding iNat92098667.jpg|'''Vespidae''' - paper, potter and pollen wasps (''Afreumenes '' sp., a potter wasp)
Quartinia iNat913998.jpg|'''Vespidae''' - paper, potter and pollen wasps (''Quartinia'' sp., a pollen wasp)
European wasp white bg.jpg|'''Vespidae''' - paper, potter and pollen wasps (''Vespula germanica'', an invasive European wasp)
&lt;/gallery&gt;
:::[http://www.WaspWeb.org/Classification/index.htm '''WaspWeb'''] has photographs of museum specimens from the Family '''Rhopalosomatidae''' (also Superfamily Vespoidea).&lt;br&gt;

==References==
{{reflist}}
&lt;ref name=waspweb2023&gt;https://www.waspweb.org/Classification/index.htm&lt;/ref&gt;&lt;ref name=iNat2023&gt;https://www.inaturalist.org/taxa/326777-Aculeata&lt;/ref&gt;

[[Category:African Arthropods|Aculeata]]</text>
      <sha1>4o2r7tdpu91ocfd2n27ac5hxrfi3ggm</sha1>
    </revision>
  </page>
  <page>
    <title>User:U3222012</title>
    <ns>2</ns>
    <id>298532</id>
    <revision>
      <id>2822934</id>
      <parentid>2545167</parentid>
      <timestamp>2026-08-19T03:58:57Z</timestamp>
      <contributor>
        <username>U3222012</username>
        <id>2968463</id>
      </contributor>
      <comment>added some info about myself, my hobbies, and my topic</comment>
      <origin>2822934</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="377" sha1="q1cwhga1y0eh1axloc016lpjm5f9klc" xml:space="preserve">== About me ==
I am Tania. I'm from Lithania. 

I like these hobbies:

* Philosophy
* Europenian modernist poetry
* Animals

== Book chapter I'm working on ==
[[Motivation and emotion/Book/2026/Perfectionism and procrastination|Perfectionism and procrastination]] - What is the role of perfectionism in procrastination and what can be done about it?

== Social contributions ==</text>
      <sha1>q1cwhga1y0eh1axloc016lpjm5f9klc</sha1>
    </revision>
  </page>
  <page>
    <title>Bully Metric Timestamps</title>
    <ns>0</ns>
    <id>305659</id>
    <revision>
      <id>2822785</id>
      <parentid>2822439</parentid>
      <timestamp>2026-08-18T19:07:32Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Bully Galactic Years */</comment>
      <origin>2822785</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="56231" sha1="4iq90h3rs6cxapjxaki8ej9akuap3um" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="56243" sha1="71kkc1gvsz067nv5eqrci2hpqjkzw2a" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| '''2&lt;sup&gt;15.666&lt;/sup&gt;'''

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>71kkc1gvsz067nv5eqrci2hpqjkzw2a</sha1>
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      <text bytes="56243" sha1="t816bkkiy5sh6tw441kdnp91vmjs0pb" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 25,996.7

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| '''2&lt;sup&gt;15.666&lt;/sup&gt;'''

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>t816bkkiy5sh6tw441kdnp91vmjs0pb</sha1>
    </revision>
    <revision>
      <id>2822791</id>
      <parentid>2822790</parentid>
      <timestamp>2026-08-18T19:19:38Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
      <origin>2822791</origin>
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      <text bytes="56243" sha1="ldf74ohesrpwk29jdjdmocd7920e8fl" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 415,946

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 25,996.7

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| '''2&lt;sup&gt;15.666&lt;/sup&gt;'''

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>ldf74ohesrpwk29jdjdmocd7920e8fl</sha1>
    </revision>
    <revision>
      <id>2822792</id>
      <parentid>2822791</parentid>
      <timestamp>2026-08-18T19:23:14Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="56243" sha1="71kkc1gvsz067nv5eqrci2hpqjkzw2a" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| '''2&lt;sup&gt;15.666&lt;/sup&gt;'''

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>71kkc1gvsz067nv5eqrci2hpqjkzw2a</sha1>
    </revision>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="56225" sha1="4xsybcfkwwscw1gfwlu667kvepunb47" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| Solar Distance Traveled || {{nowrap|Bully timestamp}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} || {{nowrap|{{color|blue|''1000 parsecs''}}}} ||'''{{nowrap|8209 D8EF F732}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} || {{nowrap|{{color|blue|''1007 parsecs''}}}} ||'''{{nowrap|8209 EA95 7C41}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>4xsybcfkwwscw1gfwlu667kvepunb47</sha1>
    </revision>
    <revision>
      <id>2822794</id>
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      <timestamp>2026-08-18T19:36:30Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* A surrogate for the Sun */</comment>
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      <text bytes="56225" sha1="ssqgngrkme5dfqrdmiztyoq9lh2jedf" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} || {{nowrap|{{color|blue|''1008 parsecs''}}}} ||'''{{nowrap|8209 ED1A D868}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} || {{nowrap|{{color|blue|''1009 parsecs''}}}} ||'''{{nowrap|8209 EFA0 348F}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} || {{nowrap|{{color|blue|''1010 parsecs''}}}} ||'''{{nowrap|8209 F225 90B6}}'''
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>ssqgngrkme5dfqrdmiztyoq9lh2jedf</sha1>
    </revision>
    <revision>
      <id>2822795</id>
      <parentid>2822794</parentid>
      <timestamp>2026-08-18T19:38:36Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* A surrogate for the Sun */</comment>
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      <text bytes="56226" sha1="heueki1dd37c6whuf8z7nn6cvwihcv5" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; reference columns within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>heueki1dd37c6whuf8z7nn6cvwihcv5</sha1>
    </revision>
    <revision>
      <id>2822796</id>
      <parentid>2822795</parentid>
      <timestamp>2026-08-18T19:47:42Z</timestamp>
      <contributor>
        <username>~2026-45099-90</username>
        <id>3108298</id>
      </contributor>
      <comment>/* Updating the Galactic Calendar */</comment>
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      <text bytes="56215" sha1="itft5ckm2xgqllnzvnb247ih0cy22lc" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>itft5ckm2xgqllnzvnb247ih0cy22lc</sha1>
    </revision>
    <revision>
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      <comment>/* Bullies in the Bully System */</comment>
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      <text bytes="58398" sha1="fd0pdasbhyi90wfseg9d62jt64ieksv" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="58302" sha1="gceqnozxmmewy0wezrktmhj280cya5r" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|-
| 1 / 512
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;8&lt;/sup&gt;'''
| 96.83
| 101.56

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="58206" sha1="n61vd3rgz5l3ng4yoshucsegeigytxr" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="58032" sha1="luz3ymqtfpsfde2x7g1ld20quacfms5" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="57986" sha1="ic8isl6n8ladncrkuxouxqpa1jki6d0" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| style=&quot;color: #888;&quot; | N/A
| 100
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>ic8isl6n8ladncrkuxouxqpa1jki6d0</sha1>
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    <revision>
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        <username>~2026-45099-90</username>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="57990" sha1="5fruyaf0x0zr1c3l3t8egwjjxxlcx73" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>5fruyaf0x0zr1c3l3t8egwjjxxlcx73</sha1>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="57996" sha1="26vbpcag7mmhanaopcoo0vq1qkznbnd" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="58079" sha1="caua0i5znvsc1tgubby4kfzj70rd0no" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

==== The Meaning of Naked-Eye Stars ====
The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
|oLeft = 40
|Location = left
|Description = '''Figure 4b:''' The combined apparent magnitude of the Pleiades star cluster (Messier 45) is approximately 1.6 when viewed together as a group.
}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
|oLeft = 750
|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
|}

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>caua0i5znvsc1tgubby4kfzj70rd0no</sha1>
    </revision>
    <revision>
      <id>2822810</id>
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      <timestamp>2026-08-18T21:20:07Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Naked Eye Stars */</comment>
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      <text bytes="53150" sha1="fyg9qxgaxkixq41tgwd6uoa3ydo9hls" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping system, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>fyg9qxgaxkixq41tgwd6uoa3ydo9hls</sha1>
    </revision>
    <revision>
      <id>2822812</id>
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      <timestamp>2026-08-18T21:23:36Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53143" sha1="k6h3wqj3aq2p5ktio2s5hr40ok6s42e" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>k6h3wqj3aq2p5ktio2s5hr40ok6s42e</sha1>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="50670" sha1="sfzpssalersyeieyjfer915i6g0670p" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>sfzpssalersyeieyjfer915i6g0670p</sha1>
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      <comment>/* The Galactic Calendar */</comment>
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      <text bytes="53144" sha1="4ucpqw6oajpx1bf5m34s3gbdkvjvqzb" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}


=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>4ucpqw6oajpx1bf5m34s3gbdkvjvqzb</sha1>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53143" sha1="8b11ds6k2lg3taenainransxr6jdp9y" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Bully Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>8b11ds6k2lg3taenainransxr6jdp9y</sha1>
    </revision>
    <revision>
      <id>2822816</id>
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        <username>Unitfreak</username>
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      <text bytes="53147" sha1="l0k2otxer8twfv56z794kh3iavsbri3" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>l0k2otxer8twfv56z794kh3iavsbri3</sha1>
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    <revision>
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      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53156" sha1="50bpvdsww0ktjovm0qe7xurdieoxuso" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

=== Bully Galactic Weeks ===
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>50bpvdsww0ktjovm0qe7xurdieoxuso</sha1>
    </revision>
    <revision>
      <id>2822818</id>
      <parentid>2822817</parentid>
      <timestamp>2026-08-18T21:38:21Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Bully Galactic Weeks */</comment>
      <origin>2822818</origin>
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      <format>text/x-wiki</format>
      <text bytes="53158" sha1="g6gl4e39vdchox1w9w0v5dlyh4jivf6" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses a calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>g6gl4e39vdchox1w9w0v5dlyh4jivf6</sha1>
    </revision>
    <revision>
      <id>2822819</id>
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      <timestamp>2026-08-18T21:41:51Z</timestamp>
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        <username>Unitfreak</username>
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      <comment>/* A surrogate for the Sun */</comment>
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      <text bytes="53160" sha1="j39vznel72kphp7ly35tm77pednw0gv" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| 1,000

|-
| 1 / 520
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 260'''
| 100
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53214" sha1="a3psg2lsfusqzbzmwzmnjvgo6sqe41o" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>a3psg2lsfusqzbzmwzmnjvgo6sqe41o</sha1>
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      <text bytes="53218" sha1="eg4e4zjhsoaumqdf0c2wpz6xre8su3x" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
=== One Solar Radius ===
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53216" sha1="cg3f2ukemhcqy87y4g01xo3bfv4q8vz" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
Within the context of Bully timekeeping, the path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>cg3f2ukemhcqy87y4g01xo3bfv4q8vz</sha1>
    </revision>
    <revision>
      <id>2822823</id>
      <parentid>2822822</parentid>
      <timestamp>2026-08-18T22:13:43Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* A surrogate for the Sun */</comment>
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      <text bytes="53175" sha1="3aowrk7tuy51eagt7r7d8905zmrlwkw" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>3aowrk7tuy51eagt7r7d8905zmrlwkw</sha1>
    </revision>
    <revision>
      <id>2822826</id>
      <parentid>2822823</parentid>
      <timestamp>2026-08-18T22:19:48Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Bully Galactic Weeks */</comment>
      <origin>2822826</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="53653" sha1="1fktn4y9oh58rf095ela2dqhqqrpqh9" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|828F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|838F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>1fktn4y9oh58rf095ela2dqhqqrpqh9</sha1>
    </revision>
    <revision>
      <id>2822827</id>
      <parentid>2822826</parentid>
      <timestamp>2026-08-18T22:20:27Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Bully Galactic Weeks */</comment>
      <origin>2822827</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="53653" sha1="5897qddjhcr6mtvwvf1ok05awvcsaj3" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>5897qddjhcr6mtvwvf1ok05awvcsaj3</sha1>
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      <text bytes="53653" sha1="bn7l93yy5jn5difj52ulytz6hnpr1d9" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>bn7l93yy5jn5difj52ulytz6hnpr1d9</sha1>
    </revision>
    <revision>
      <id>2822829</id>
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      <timestamp>2026-08-18T22:27:09Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The galactic ecliptic node near Sagittarius */</comment>
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      <text bytes="53653" sha1="i6ko8o1mtbdu6im45yosmvednx17b4i" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>i6ko8o1mtbdu6im45yosmvednx17b4i</sha1>
    </revision>
    <revision>
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        <username>Unitfreak</username>
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      <comment>/* The galactic ecliptic node near Sagittarius */</comment>
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      <text bytes="53691" sha1="azbf99tx0q5g6pjnojc4wa08e5tr8yg" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ===
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>azbf99tx0q5g6pjnojc4wa08e5tr8yg</sha1>
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      <text bytes="53692" sha1="omj0eaztw3bvsd7oxypc4owch6u3a6n" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying the orbital radius (8,275 parsecs) by 6.9803° and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>omj0eaztw3bvsd7oxypc4owch6u3a6n</sha1>
    </revision>
    <revision>
      <id>2822833</id>
      <parentid>2822832</parentid>
      <timestamp>2026-08-18T22:34:23Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* A surrogate for the Sun */</comment>
      <origin>2822833</origin>
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      <text bytes="53692" sha1="jb1of8ngaesgxx7zlrbrcg509r8xjqd" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week zero, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>jb1of8ngaesgxx7zlrbrcg509r8xjqd</sha1>
    </revision>
    <revision>
      <id>2822834</id>
      <parentid>2822833</parentid>
      <timestamp>2026-08-18T22:37:43Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* A surrogate for the Sun */</comment>
      <origin>2822834</origin>
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      <text bytes="53691" sha1="6lso7y6zfmgvk3mwaftnug0c8ztgjrb" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>6lso7y6zfmgvk3mwaftnug0c8ztgjrb</sha1>
    </revision>
    <revision>
      <id>2822837</id>
      <parentid>2822834</parentid>
      <timestamp>2026-08-18T22:41:15Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Bullies in the Bully System */</comment>
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      <text bytes="53685" sha1="2k0p3jqgxl53p12fb962u0mxbyiryek" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>2k0p3jqgxl53p12fb962u0mxbyiryek</sha1>
    </revision>
    <revision>
      <id>2822838</id>
      <parentid>2822837</parentid>
      <timestamp>2026-08-18T22:48:48Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Updating the Galactic Calendar */</comment>
      <origin>2822838</origin>
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      <format>text/x-wiki</format>
      <text bytes="53685" sha1="iz1k88w8ribnoo8smjxf1bqv04lql36" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53693" sha1="dbpp74ydzkw6q5wj79cld8dwz8d5zsp" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53702" sha1="pfpqs5nua4qz9ttocxyl5lpvbvehxqa" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <parentid>2822841</parentid>
      <timestamp>2026-08-18T22:57:25Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The power of two */</comment>
      <origin>2822842</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="53721" sha1="9clhezblui3b45flsyfb9lqe6t2onxg" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>9clhezblui3b45flsyfb9lqe6t2onxg</sha1>
    </revision>
    <revision>
      <id>2822843</id>
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      <timestamp>2026-08-18T22:58:27Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* The power of two */</comment>
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      <text bytes="53740" sha1="t2436xng9ps1qvo2hq7vfc3lwb8kptp" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;39&lt;/sup&gt; / 13'''
| '''2&lt;sup&gt;13.666&lt;/sup&gt; / 13''' = 999.844

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>t2436xng9ps1qvo2hq7vfc3lwb8kptp</sha1>
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      <text bytes="53615" sha1="b4f2hstp6sl1v9pix6n86ct2bu7huke" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53637" sha1="2fjvykbh6t0fwoqs7fx4f8d4josoq9h" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
As described above, the '''first''' and '''fifth''' digits in a Bully timestamp respectively represent 3,055 seconds and roughly 6.344 years of orbit around the Milky Way galaxy. Before moving on to describe the physical significance of the '''ninth''' digit (416,000 years) in terms of &quot;naked-eye stars,&quot; it is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs (the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps). As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="52743" sha1="2ug5k0kywi4rlmb49gzi8abw32q0ikd" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately '''3055 seconds''' for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>2ug5k0kywi4rlmb49gzi8abw32q0ikd</sha1>
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      <id>2822857</id>
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      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* One Solar Radius */</comment>
      <origin>2822857</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="52769" sha1="pjyat0c4nrwg8vf8ickjirir1h8xn3m" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>pjyat0c4nrwg8vf8ickjirir1h8xn3m</sha1>
    </revision>
    <revision>
      <id>2822860</id>
      <parentid>2822857</parentid>
      <timestamp>2026-08-19T00:26:23Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Naked Eye Stars */</comment>
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      <text bytes="52770" sha1="enkyaezzejehia3a754exb5v16vud9p" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>enkyaezzejehia3a754exb5v16vud9p</sha1>
    </revision>
    <revision>
      <id>2822861</id>
      <parentid>2822860</parentid>
      <timestamp>2026-08-19T00:26:42Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Naked Eye Stars */</comment>
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      <text bytes="52771" sha1="izhzy50c6lpptxiwo868ygxosqz32k4" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3 has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>izhzy50c6lpptxiwo868ygxosqz32k4</sha1>
    </revision>
    <revision>
      <id>2822862</id>
      <parentid>2822861</parentid>
      <timestamp>2026-08-19T00:27:40Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Naked Eye Stars */</comment>
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      <text bytes="52772" sha1="404sem6ir9inefb636c8is5n4iv0013" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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      <text bytes="53667" sha1="q0gjeg65pe93e3q4xif9t6jdvbj6uax" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks.

==== Bully Galactic Weeks ====
The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>q0gjeg65pe93e3q4xif9t6jdvbj6uax</sha1>
    </revision>
    <revision>
      <id>2822887</id>
      <parentid>2822883</parentid>
      <timestamp>2026-08-19T02:24:15Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Idealized Galactic Years */</comment>
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      <text bytes="53635" sha1="2ep52srypx1aazeu6twjw42nn8uae1r" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value was just '''a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>2ep52srypx1aazeu6twjw42nn8uae1r</sha1>
    </revision>
    <revision>
      <id>2822889</id>
      <parentid>2822887</parentid>
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        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* The Galactic Calendar */</comment>
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      <text bytes="53680" sha1="4eke9g1fojc8ksqd14cmktgxp4tbjeg" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the previously assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>4eke9g1fojc8ksqd14cmktgxp4tbjeg</sha1>
    </revision>
    <revision>
      <id>2822890</id>
      <parentid>2822889</parentid>
      <timestamp>2026-08-19T02:28:58Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53669" sha1="tp9didou2kypysz71p78h01nz4e7avs" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of the Bully timekeeping, an idealized '''Bully Galactic Year''' will be defined to have a time duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits directly with major cosmic eras.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>tp9didou2kypysz71p78h01nz4e7avs</sha1>
    </revision>
    <revision>
      <id>2822893</id>
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      <timestamp>2026-08-19T02:36:06Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53675" sha1="hvrmh3ynm73d5koudd9vg9xir8nhhgu" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 5a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 5a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 5a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 5b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 5c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 5c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 5d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 5d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 5d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 5c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 5e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 5c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 5e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 5e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 5e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 5f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>hvrmh3ynm73d5koudd9vg9xir8nhhgu</sha1>
    </revision>
    <revision>
      <id>2822897</id>
      <parentid>2822893</parentid>
      <timestamp>2026-08-19T02:42:23Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Galactic Calendar */</comment>
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      <text bytes="53675" sha1="hhbg04euaa1n7zhzv5kv5qrwyrodkf4" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 4a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 4a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 4a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 4b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 4c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 4c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 4d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 4d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 4d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 4c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 4e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 4c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 4e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 4e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 4e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>hhbg04euaa1n7zhzv5kv5qrwyrodkf4</sha1>
    </revision>
    <revision>
      <id>2822899</id>
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      <timestamp>2026-08-19T02:44:11Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
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      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53681" sha1="311i17l462lv5q9m7lobmdq9978towf" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 4a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 4a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 4a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 4b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to '''1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits''' with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 4c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 4c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 4d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 4d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 4d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 4c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 4e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 4c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 4e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 4e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 4e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>311i17l462lv5q9m7lobmdq9978towf</sha1>
    </revision>
    <revision>
      <id>2822900</id>
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      <timestamp>2026-08-19T02:48:19Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* The Idealized Galactic Orbit */</comment>
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      <text bytes="53694" sha1="hnyj39750xsj8b2m4dtugwloptcxu8g" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 4a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 4a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 4a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 4b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to '''1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits''' with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in  parsecs assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in parsecs assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 4c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 4c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 4d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 4d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 4d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 4c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 4e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 4c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 4e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 4e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 4e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>hnyj39750xsj8b2m4dtugwloptcxu8g</sha1>
    </revision>
    <revision>
      <id>2822904</id>
      <parentid>2822900</parentid>
      <timestamp>2026-08-19T02:52:41Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Idealized Galactic Years */</comment>
      <origin>2822904</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="53654" sha1="k0qshbyxyxaaujupmr213u5bwjfma7z" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 4a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 4a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 4a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 4b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to '''1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits''' with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in  parsecs assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in parsecs assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 4c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 4c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 4d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 4d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 4d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 4c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 4e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 4c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 4e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 4e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 4e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
      <sha1>k0qshbyxyxaaujupmr213u5bwjfma7z</sha1>
    </revision>
    <revision>
      <id>2822906</id>
      <parentid>2822904</parentid>
      <timestamp>2026-08-19T02:53:44Z</timestamp>
      <contributor>
        <username>Unitfreak</username>
        <id>695864</id>
      </contributor>
      <comment>/* Idealized Galactic Years */</comment>
      <origin>2822906</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="53694" sha1="hnyj39750xsj8b2m4dtugwloptcxu8g" xml:space="preserve">&lt;small&gt;[[Bully_Metric|Bully Metric Main Page]]&lt;br /&gt;
[[Bully_Metric_Timestamps|Bully Metric Timestamps Main Page]]&lt;br /&gt;
[https://unitfreak.github.io/Bully-Row-Timestamps/Java_Bully.html Current Bully Timestamp (GitHub)]&lt;br /&gt; &lt;/small&gt;

The '''Bully Metric Timestamp''' system is an alternative timekeeping framework that utilizes the orbit of the Sun around the Milky Way Galaxy to mark the passage of time. A new successive Bully timestamp is realized each time the Sun advances by approximately one solar radius along its path through the Galaxy. Using '''12-digit''' [[w:hexadecimal|hexadecimal]] timestamps, the Bully system has enough unique identifiers to span the entire history of the universe—from the Big Bang into the far-distant future. The total capacity of the system is:
&amp;thinsp;
:&lt;math&gt;16^{12} \times 3,055 \text{ sec} \approx 27.25 \text{ billion years}&lt;/math&gt;
== One Solar Radius ==
[[File:Bully_Metric_Galactic_Orbit_1_Timestamp.png|thumb|right|450px|alt=Diagram showing the Sun advancing a distance equal to its own radius along its galactic trajectory over a period of 3055 seconds.|'''Figure 1:''' Motion of the Sun between two successive Bully timestamps.]]
The Sun orbits the center of the Milky Way galaxy at a very fast speed, roughly 227.7 kilometers per second (km/s), which equals approximately 0.076% of the speed of light. Even though the Sun is moving very quickly, it is also physically immense. The radius of the Sun (&lt;math&gt;R_\odot&lt;/math&gt;) is 695,700 kilometers. Dividing the solar radius by the galactic orbital velocity, we find that it takes approximately 3,055 seconds (about five-sixths of an hour) for the Sun to travel a distance equal to its own radius:
&amp;thinsp;
:&lt;math&gt;\Delta t = \frac{695,700 \text{ km}}{227.7 \text{ km/s}} \approx 3055 \text{ seconds}&lt;/math&gt;
&amp;thinsp;
'''Figure 1''' illustrates the physical movement of the Sun between two successive Bully timestamps. Timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI (International Atomic Time) on June 21, 1998'''. The sequential timestamp, '''8209 ED00 0001''', occurred exactly 3,055 seconds later at '''12:50:55 TAI on June 21, 1998'''. As shown in Figure 1, the Sun orbited a distance of roughly one solar radius during this 3,055-second period.

=== The Heliosphere ===
The heliosphere, it turns out, is not actually a sphere. As shown in '''Figure 2''', the heliosphere is a vast, oblong, tailed, bubble-like region that extends from the Sun into the surrounding space. The heliosphere is somewhat analogous to Earth's atmosphere, except that Earth's atmosphere is a comparatively thin layer of gas that remains near the Earth's surface. By comparison, the heliosphere is a plasma that is constantly blasted out into space due to the extreme heat and energy of the Sun.

[[File:Bully_Metric_Galactic_Orbit_65536_Timestamps.png|thumb|right|450px|alt=Diagram showing the Sun traveling through the oblong shape of the heliosphere over a span of 16 to the 4th power timestamps.|'''Figure 2:''' Motion of the Sun during the passage of 16&lt;sup&gt;4&lt;/sup&gt; Bully timestamps.]]

The heliosphere is very large. It is so vast that if it were truly spherical, its diameter would be on an order of magnitude similar to '''16&lt;sup&gt;4&lt;/sup&gt; (65,536) solar radii'''. The digit in the '''fifth position''' in a Bully timestamp represents the time required for the Sun to orbit for '''6.344 years''', which covers a distance of approximately '''65,536 solar radii''', or roughly the diameter of one spherical heliosphere.

Figure 2 illustrates the orbit of the Sun (Sun not drawn to scale) over a period of 6.344 years. As explained previously, timestamp '''8209 ED00 0000''' is defined to have occurred at exactly '''12:00:00 TAI on June 21, 1998'''. Timestamp '''8209 ED01 0000''' therefore occurred roughly 6.344 years later at '''18:34:40 TAI on October 24, 2004'''.

Incidentally, the Voyager 1 spacecraft crossed into the heliosheath, as shown in Figure 2, on December 16th 2004. Both Voyager spacecraft (Voyager 1 and Voyager 2) have since crossed entirely out of the heliosphere and entered the surrounding interstellar space.

=== Naked Eye Stars ===
'''Figure 3a''' illustrates the physical movement of the Sun (Sun not drawn to scale) between 16&lt;sup&gt;8&lt;/sup&gt; successive Bully timestamps. It is estimated that timestamp '''8209 0000 0000''' would have occurred roughly 383,000 B.C., and timestamp '''820A 0000 0000''' is estimated to occur around 33,000 A.D., for a total time lapse of '''416,000 years'''. The stacked histogram in Figure 3a has a red dashed line marking 96.83 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy and 96.83 parsecs is the distance the sun travels in 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. As indicated in the histogram, a large percentage of naked-eye stars are nearer to the sun than 96.83 parsecs, meaning that the appearance of the night sky completely changes over this timeframe.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]


[[Bully_Metric_Naked-Eye_Stars|Learn More About the Meaning of Naked-Eye Stars]]

== The Galactic Calendar ==
[[File:Sun_in_orbit_around_Galactic_Centre.gif|thumb|right|300px|alt=Diagram showing multiple stars moving along their respective orbital paths around the galactic center over a span of 250 million years.|'''Figure 4a:''' Stars orbiting around the Galactic center during a 250 million-year time period.]]

A '''galactic year''', also known as a '''cosmic year''', is the duration of time required for the Sun (or any other star) to orbit once around the center of the Milky Way Galaxy. This duration is not a fixed constant, but rather depends on the path a particular star follows as it orbits (see Figure 4a). Stars closer to the center orbit much more quickly than those on the outer edges. The stars shown in '''Figure 4a''' all eventually localize near the Sun despite having vastly different orbital trajectories, visually illustrating the long-term subtlety of galactic orbits.

Earlier in this resource, the Sun was assumed to travel roughly one solar radius per 3,055-second orbital timestamp. However, since the long-term orbital dynamics of the Sun are subject to gravitational perturbations, standard stellar movement is not perfectly uniform or predictive. The Sun's true orbital velocity will always be a topic of ongoing discovery and refinement. The previous conjectured value of '''1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp was just a useful assumption''' and not a reflection of long-term stable physical reality.

==== The Idealized Galactic Orbit ====
Within the context of Bully timekeeping, an idealized '''Bully Galactic Year''' is defined to have a duration of exactly '''2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps''' (approximately 213 million years). The table in '''Figure 4b''' illustrates how scaling the assumed baseline velocity from 1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp up to '''1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp aligns the highest digits''' with rounded integer multiples of the parsec length.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4b: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in  parsecs assuming  1 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance in parsecs assuming 1.0488227 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;11&lt;/sup&gt;'''
| 396,635
| 416,000

|-
| 1 / 2
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt;'''
| 24,789.7
| 26,000.0

|-
| 1 / 32
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;9&lt;/sup&gt;'''
| 1,549.36
| 1,625.00

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2 × 16&lt;sup&gt;10&lt;/sup&gt;'''
| style=&quot;color: #888;&quot; | N/A
| 52,000

|-
| 1 / 52
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26'''
| style=&quot;color: #888;&quot; | N/A
| 1,000

|-
| 1 / 52,000
| style=&quot;text-align: left; padding: 8px;&quot; | '''16&lt;sup&gt;10&lt;/sup&gt; / 26,000'''
| style=&quot;color: #888;&quot; | N/A
| 1
|}

=== Idealized Galactic Years ===
If the Sun followed a perfectly circular orbit around the Milky Way, with a radius of [https://www.mpe.mpg.de/6588951/The-black-hole 8,275 parsecs] (or 26,990 light-years), the total circumference of that ideal orbit would be determined by multiplying the radius by 2π:

:&lt;math&gt;\begin{align}
{\text{Circumference}} &amp;= 2\pi \times 8,275{\text{ parsecs}} \\
&amp;\approx 51,993{\text{ parsecs}} \\
&amp;\approx 2^{15.666}{\text{ parsecs}}
\end{align}&lt;/math&gt;

If we divide this '''roughly 52,000-parsec''' ideal orbit into &quot;Galactic Weeks,&quot; where each week represents 1,000 parsecs of orbital travel, then a full Galactic Year would consist of 52 weeks. This beautifully mirrors the structure of an Earth year, which is also composed of roughly 52 weeks. The table in '''Figure 4c''' illustrates the division of an idealized Galactic Year's worth of Bully timestamps into 52 equal portions. The table shows the Bully timestamp at which each one thousand parsecs of travel distance would be achieved in an idealized orbit.

Timestamps in the range '''8200 0000 0000''' through '''83FF FFFF FFFF''' indicate that the system is recording time within the '''66th Bully Galactic Year''' of the Universe. However, the Sun (and our solar system) did not come into existence until the 45th Bully Galactic Year, meaning our solar system is only '''21 Bully Galactic Years old'''.

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; width:100%; max-width:800px;&quot;
|+ '''Figure 4c:''' The 66th Bully Galactic Calendar

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|1st Quarter}} || {{nowrap|2nd Quarter}} || {{nowrap|3rd Quarter}} || {{nowrap|4th Quarter}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 0}} || {{color|blue|''0 parsecs''}} &lt;br/&gt;'''{{nowrap|8200 0000 0000}}''' || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8280 0000 0000}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8300 0000 0000}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8380 0000 0000}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 1}} || {{color|blue|''1000 parsecs''}} &lt;br/&gt; '''{{nowrap|8209 D89D 89D8}}''' || {{color|blue|''14,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8289 D89D 89D8}}''' || {{color|blue|''27,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8309 D89D 89D8}}''' || {{color|blue|''40,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8389 D89D 89D8}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 2}} || {{color|blue|''2,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8213 B13B 13B1}}''' || {{color|blue|''15,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8293 B13B 13B1}}''' || {{color|blue|''28,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8313 B13B 13B1}}''' || {{color|blue|''41,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8393 B13B 13B1}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 3}} || {{color|blue|''3,000 parsecs''}} &lt;br/&gt; '''{{nowrap|821D 89D8 9D89}}''' || {{color|blue|''16,000 parsecs''}} &lt;br/&gt; '''{{nowrap|829D 89D8 9D89}}''' || {{color|blue|''29,000 parsecs''}} &lt;br/&gt; '''{{nowrap|831D 89D8 9D89}}''' || {{color|blue|''42,000 parsecs''}} &lt;br/&gt; '''{{nowrap|839D 89D8 9D89}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 4}} || {{color|blue|''4,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8227 6276 2762}}''' || {{color|blue|''17,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82A7 6276 2762}}''' || {{color|blue|''30,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8327 6276 2762}}''' || {{color|blue|''43,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83A7 6276 2762}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 5}} || {{color|blue|''5,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8231 3B13 B13B}}''' || {{color|blue|''18,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82B1 3B13 B13B}}''' || {{color|blue|''31,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8331 3B13 B13B}}''' || {{color|blue|''44,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83B1 3B13 B13B}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 6}} || {{color|blue|''6,000 parsecs''}} &lt;br/&gt; '''{{nowrap|823B 13B1 3B13}}''' || {{color|blue|''19,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82BB 13B1 3B13}}''' || {{color|blue|''32,000 parsecs''}} &lt;br/&gt; '''{{nowrap|833B 13B1 3B13}}''' || {{color|blue|''45,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83BB 13B1 3B13}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 7}} || {{color|blue|''7,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8244 EC4E C4EC}}''' || {{color|blue|''20,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82C4 EC4E C4EC}}''' || {{color|blue|''33,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8344 EC4E C4EC}}''' || {{color|blue|''46,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83C4 EC4E C4EC}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 8}} || {{color|blue|''8,000 parsecs''}} &lt;br/&gt; '''{{nowrap|824E C4EC 4EC4}}''' || {{color|blue|''21,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82CE C4EC 4EC4}}''' || {{color|blue|''34,000 parsecs''}} &lt;br/&gt; '''{{nowrap|834E C4EC 4EC4}}''' || {{color|blue|''47,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83CE C4EC 4EC4}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 9}} || {{color|blue|''9,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8258 9D89 D89D}}''' || {{color|blue|''22,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82D8 9D89 D89D}}''' || {{color|blue|''35,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8358 9D89 D89D}}''' || {{color|blue|''48,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83D8 9D89 D89D}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 10}} || {{color|blue|''10,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8262 7627 6276}}''' || {{color|blue|''23,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82E2 7627 6276}}''' || {{color|blue|''36,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8362 7627 6276}}''' || {{color|blue|''49,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83E2 7627 6276}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 11}} || {{color|blue|''11,000 parsecs''}} &lt;br/&gt; '''{{nowrap|826C 4EC4 EC4E}}''' || {{color|blue|''24,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82EC 4EC4 EC4E}}''' || {{color|blue|''37,000 parsecs''}} &lt;br/&gt; '''{{nowrap|836C 4EC4 EC4E}}''' || {{color|blue|''50,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83EC 4EC4 EC4E}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|Week 12}} || {{color|blue|''12,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8276 2762 7627}}''' || {{color|blue|''25,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82F6 2762 7627}}''' || {{color|blue|''38,000 parsecs''}} &lt;br/&gt; '''{{nowrap|8376 2762 7627}}''' || {{color|blue|''51,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83F6 2762 7627}}'''
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | End of Quarter || {{color|blue|''13,000 parsecs''}} &lt;br/&gt; '''{{nowrap|827F FFFF FFFF}}''' || {{color|blue|''26,000 parsecs''}} &lt;br/&gt; '''{{nowrap|82FF FFFF FFFF}}''' || {{color|blue|''39,000 parsecs''}} &lt;br/&gt; '''{{nowrap|837F FFFF FFFF}}''' || {{color|blue|''52,000 parsecs''}} &lt;br/&gt; '''{{nowrap|83FF FFFF FFFF}}'''
|}

=== The galactic ecliptic node near Sagittarius ===
'''Figure 4d''' depicts the 6.98-degree angular separation that exists between Sagittarius A* (the supermassive black hole at the center of the Milky Way) and the descending node of our Solar System’s Laplace invariable plane where it intersects the galactic equator. 

[[File:Sagittarius_A*_and_adjacent_Galactic_Ecliptic_Node.png|thumb|center|600px|alt=An educational image illustrating the 6.44-degree separation between Sagittarius A* and the adjacent Galactic Ecliptic Node. The Node, moving in concert with the Sun, shifts away from Sagittarius A* at a rate of 2.70 mas per year in right ascension and 5.60 mas per year in declination. |'''Figure 4d:''' A diagram showing the 6.98-degree angular separation between Sagittarius A* and the descending node of the Solar System's Laplace invariable plane.]]

As the Sun orbits the Galactic center, the Invariable Plane's galactic ecliptic node—moving in concert with the Sun—shifts away from Sagittarius A* at a rate of 2.70 mas (milliarcseconds) per year in right ascension and 5.60 mas per year in declination. From the perspective of the Sun, the node appears to be stationary and the supermassive black hole appears to be moving in the opposite direction. In reality, it is the Sun and the node that are moving.

==== The Laplace invariable plane ====
A planetary system's Laplace invariable plane passes through its barycenter (center of mass) and is strictly perpendicular to its total angular momentum vector. In our Solar System, the four giant planets account for 98% of this total angular momentum: Jupiter contributes the bulk at 60.3%, followed by Saturn (24.5%), Neptune (7.9%), and Uranus (5.3%). The individual descending nodes of each giant planet's ecliptic where they intersect the galactic equator are shown in Figure 4d:

* Invariable Plane Node (+): Marked with a large plus sign.
* Jupiter (♃): Positioned slightly to the right of the invariable plane's node.
* Uranus (⛢): Positioned to the right of Jupiter.
* Saturn (♄): Positioned on the inner left.
* Neptune (♆): Positioned on the far left.

==== A surrogate for the Sun ====
The path of the Invariable Node as it shifts away from Sagittarius A* can be used as a surrogate to track the motion of the Sun as it orbits the Galactic Center. The node is currently located 6.9803° away from Sagittarius A*. The Sun's orbital travel distance is calculated by multiplying 6.9803° by the orbital radius (8,275 parsecs) and the ratio of radians to degrees (2π / 360°).

&lt;math&gt;
\begin{aligned}
d &amp;= 8,275 \text{ pc} \times 6.9803^\circ \times \left(\frac{2\pi}{360^\circ}\right) \\
&amp;\approx 1008.14 \text{ pc}
\end{aligned}
&lt;/math&gt;

Based on this calculation, the galactic ecliptic node—and by extension, the Sun—has traveled 1008.14 parsecs in its orbit around the Galactic Center. According to the reference table in '''Figure 4c''', this 1008.14-parsec distance falls beyond the 1000-parsec milestone associated with timestamp '''{{nowrap|8209 D89D 89D8}}''', indicating that we have completed the zeroth week of the 66th Bully Galactic Calendar. To pinpoint a more exact location, the table in '''Figure 4e''' provides a finer-grained increment, indicating that a travel distance of '''1008 parsecs''' corresponds to timestamp '''{{nowrap|8209 ED1A D868}}'''. (Note: Figure 4c assumes an idealized travel distance of 52,000 parsecs per Bully galactic year (2 × 16&lt;sup&gt;10&lt;/sup&gt; Bully timestamps), whereas Figure 4e uses the calculated distance of 51,993 parsecs per Bully galactic year.)

{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; text-align:center; max-width:300px;&quot;
|+ '''Figure 4e:''' Week one, 66th Galactic Year

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Year 66 &lt;br /&gt; Galactic
|| {{nowrap|Bully timestamp}} || Solar Distance Traveled
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|One Week}} ||'''{{nowrap|8209 D8EF F732}}''' || {{nowrap|{{color|blue|''1000 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.007 Weeks}} ||'''{{nowrap|8209 EA95 7C41}}''' || {{nowrap|{{color|blue|''1007 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.008 Weeks}} ||'''{{nowrap|8209 ED1A D868}}''' || {{nowrap|{{color|blue|''1008 parsecs''}}}} 
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.009 Weeks}} ||'''{{nowrap|8209 EFA0 348F}}''' || {{nowrap|{{color|blue|''1009 parsecs''}}}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|1.010 Weeks}} ||'''{{nowrap|8209 F225 90B6}}''' || {{nowrap|{{color|blue|''1010 parsecs''}}}}
|}

==== Updating the Galactic Calendar ====
To establish a rigid temporal framework, the Bully system is anchored by selecting timestamp '''{{nowrap|8209 ED00 0000}}''' to coincide precisely with '''12:00:00 TAI on June 21, 1998'''. Following this initial anchoring, the progression of all subsequent Bully timestamps is maintained uniformly via terrestrial atomic clocks, advancing by exactly one unit every '''3,055 TAI seconds'''.

Because the Sun’s deep-time trajectory is slightly chaotic and unpredictable, an operational offset will always exist between the passage of Bully time and physical observations of the Sun's galactic displacement. Therefore, while the table in '''Figure 4e''' states that 1.008 weeks ('''{{nowrap|8209 ED1A D868}}''') corresponds to 1008 parsecs of displacement, this relationship must be understood as an estimate.

In practice, even if the system were calibrated so that timestamp '''{{nowrap|8209 ED1A D868}}''' perfectly aligned with the exact moment the Sun traveled 1008 parsecs, this precise alignment would immediately begin to decay. The subsequent milestone at timestamp '''{{nowrap|8209 EFA0 348F}}''' would almost certainly not occur at the exact instant the Sun reached the 1009-parsec mark.

To account for this operational drift, the &quot;Solar Distance Traveled&quot; column within the Galactic Calendar should be updated periodically based on integrated values. These revisions should ensure that both past recorded and future predicted solar travel distances continue to reflect the best available estimates as observational astrophysics improves measurements of:
*The precise center of '''Sagittarius A*'''
*The coordinates of the descending node of the Solar System’s '''Laplace invariable plane'''

=== Bullies in the Bully System ===
As noted in Merriam-Webster's dictionary, the word &quot;bully&quot; had a positive connotation through much of history.  
{{Blockquote|text=The earliest meaning of English bully was 'sweetheart'. The word was probably borrowed from Dutch boel, 'lover'.  Later bully was used for anyone who seemed a good fellow, then for a blustering daredevil. Today, a bully is usually one whose claims to strength and courage are based on the intimidation of those who are weaker&lt;ref&gt;(Merriam-Webster. (n.d.). Bully. In Merriam-Webster.com dictionary. Retrieved May 16, 2024, from https://www.merriam-webster.com/dictionary/bully)&lt;/ref&gt;.}}

Bully timestamps are designed to align with the orbit of the Sun around the Milky Way, and they are anchored to the descending node where the Solar System’s Laplace invariable plane intersects the galactic equator. The Laplace plane is dominated by angular momentum contributions from large planets like Jupiter and Saturn. All of these large astronomical objects—such as Sagittarius A*, the Sun, and giant planets like Jupiter and Saturn—can be thought of as bullies, both in the traditional meaning of &quot;beautiful&quot; and in the modern meaning of being intimidating and threatening. In the Bully timestamp system, the specific &quot;bullies&quot; are [[w:Sagittarius A*|Sagittarius A*]], the [[w:Sun|Sun]], and the Solar System's [[w:Giant planet|giant planets]].

==== The power of two ====
{| class=&quot;wikitable&quot; style=&quot;margin: 20px auto 40px auto; border-collapse: collapse; font-family: sans-serif;&quot;

|+ style=&quot;font-weight: bold; margin-bottom: 8px;&quot; | Figure 4f: Distance Conversions to Parsecs

! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Time Duration&lt;/span&gt;
! colspan=&quot;2&quot; style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: center; padding: 10px;&quot; | &lt;span style=&quot;font-size: larger;&quot;&gt;Orbital Distance (Parsecs)&lt;/span&gt;

|-
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Galactic Years&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt;Bully Timestamps&lt;/small&gt;
! style=&quot;background-color: #f2f2f2;{{Text color default}}; text-align: left; padding: 10px;&quot; | &lt;small&gt; Distance assuming 1.048682 ''R''&lt;sub&gt;☉&lt;/sub&gt; per Bully timestamp &lt;/small&gt;

|-
| '''2&lt;sup&gt;3&lt;/sup&gt;''' = 8
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;44&lt;/sup&gt;'''
| '''2&lt;sup&gt;18.666&lt;/sup&gt;''' ≈ 415,935

|-
| '''2&lt;sup&gt;-1&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{2}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;40&lt;/sup&gt;'''
| '''2&lt;sup&gt;14.666&lt;/sup&gt;''' ≈ 25,996

|-
| '''2&lt;sup&gt;-5&lt;/sup&gt;''' = &lt;math&gt;\frac{1}{32}&lt;/math&gt;
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;36&lt;/sup&gt;'''
| '''2&lt;sup&gt;10.666&lt;/sup&gt;''' ≈ 1,624.74

|- style=&quot;background-color: #e6f2ff;{{Text color default}}; font-weight: bold;&quot;
! colspan=&quot;4&quot; style=&quot;text-align: left; padding: 8px;&quot; | Off Nominal Values

|-
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;41&lt;/sup&gt;'''
| '''2&lt;sup&gt;15.666&lt;/sup&gt;''' = 51,991

|-
| '''2&lt;sup&gt;-15.666&lt;/sup&gt;'''
| style=&quot;text-align: left; padding: 8px;&quot; | '''2&lt;sup&gt;25.334&lt;/sup&gt;'''
| '''2&lt;sup&gt;0&lt;/sup&gt;''' = 1
|}

The '''first''', '''fifth''', and '''ninth''' digits in a Bully timestamp respectively represent 3,055 seconds, roughly 6.344 years, and approximately 416,000 years of orbit around the Milky Way galaxy. It is worth noting that the length 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is remarkably close to 10&lt;sup&gt;10&lt;/sup&gt; light-seconds. In fact, these distances are so similar (differing by less than 0.35%) that one can estimate the ratio of the sun's orbital speed to the speed of light by dividing:
&amp;thinsp;
:&lt;math&gt;\frac{10^{10}}{16^8 \times 3055} \approx 0.076\%&lt;/math&gt;
&amp;thinsp;
Furthermore, these values (16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; and 10&lt;sup&gt;10&lt;/sup&gt; light-seconds) are of the same order of magnitude as 100 parsecs, where a parsec (roughly 3.26 light-years) is a common length unit used in astronomy. To be precise, '''16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt; is approximately 96.83 parsecs'''.

== What about the Earth and Moon? ==
The motions of the Earth and Moon are not suitable for precise, long-term time measurement. Over deep time, gravitational interactions cause variations in these orbits. For example, tidal friction gradually slows the Earth's rotation and causes the Moon to drift farther away, making legacy units unstable over millions of years. While the Bully timestamp system is not directly anchored to the motions of the Earth and Moon, it was developed with these motions in mind and incorporates a few of their unique characteristics.

=== Earth's sidereal year ===
The exact length of Earth's sidereal year is currently calculated to be '''31,558,149.76 seconds'''. This can vary by up to 20 to 25 minutes from one year to the next due to tugs from neighboring planets, but when these are averaged out, the remaining century-over-century lengthening is a mere 9.6 milliseconds. Given the relative stability and significance of Earth's sidereal year, there is value in using a divisor of this year as the fundamental unit of the Bully timestamp system. It turns out that 3,055 seconds is an exact divisor of 31,558,150 seconds. Hence, Earth's sidereal year, rounded to the nearest second, equals exactly '''10,330 Bully timestamps'''.

=== Earth's tropical year ===
The Earth's tropical year, which measures the complete cycle of the seasons from one vernal equinox to the next, lasts exactly '''31,556,926 seconds'''. Due to the axial precession—the slow, 26,000-year wobble of Earth’s rotational axis—the tropical year is roughly 20 minutes shorter than the sidereal year. While the 3,055-second fundamental unit of the Bully timestamp system does not divide into this total as perfectly as it does the sidereal year, the tropical year still serves as a critical secondary anchor for aligning the timestamp system with human seasonal calendars.

=== The Metonic cycle ===
The '''Metonic cycle''' is a period of approximately 19 solar years, after which the moon's phases recur on the same days of the year. For example, a New Moon occurred on July 23 in 1998, and nineteen years later, in 2017, a New Moon again occurred on July 23. The last four hex digits of the Bully timestamp cycle approximately three times per Metonic cycle as illustrated in the following list:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
July 23 New Moon Metonic Cycles
* July 23, 1998 on 8209 ED0'''0 038B'''
* July 23, 2017 on 8209 ED0'''3 0238'''
* July 23, 2036 on 8209 ED0'''6 00EA'''
&lt;/div&gt;


[[Bully_Metric_Metonic_cycle|Learn More About the Metonic Cycle in Bully Timestamps]]

== Bully Timestamp Realization ==
Each Bully timestamp is '''realized''' exactly 3055 seconds TAI after the previous one.  However, since atomic clocks did not exist prior to the 1950's, any assignment of Bully timestamps prior to 1958 should be viewed as an '''estimate''' of how time might have transpired in the past, rather than an actual realization of Bully time. Similarly, any assignment of future timestamps should be viewed as an estimate of what may occur, rather than a realization. Bully timestamps should only be considered &quot;realized&quot; when time is measured with an accuracy of 10&lt;sup&gt;-10&lt;/sup&gt;. There have been over 700,000 realized Bully timestamps during the era of modern atomic time keeping (1958 AD ... present).

[[Bully_Metric_Realized_Timestamps|Learn More About Realized Bully Timestamps]]

=== Time Estimation Divisions ===
[[File:History-of-the-Universe With Bully Timestamps.jpg|frame|center|text-bottom|Figure 1: History of the Universe with a few example Bully timestamps shown in red.]]
For the purpose of time estimation, the Bully system's time range is divided into three distinct sets:

==== First Set ====
* ''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'': Used to estimate time during the universe's formative period ('''Figure 1'''), spanning roughly 3 billion years beginning with the Big Bang. The following list highlights key events from selected timestamps during this formative era:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* First timestamp: ''{{mono|0000 0000 0000}}''
** [[w:Cosmic_inflation|Cosmic Inflation]]
** [[w:Baryogenesis|Baryogenesis]]
** [[w:Big_Bang_nucleosynthesis|Nucleosynthesis]]
* Approximately: ''{{mono|0000 EA00 0000}}''
** [[w:Decoupling_(cosmology)|Decoupling]]
** [[w:Recombination_(cosmology)|Recombination]]
* Approximately: ''{{mono|0100 0000 0000}}''
** [[w:Star_formation|First Star Formation]]
* Approximately: ''{{mono|0297 0000 0000}}''
** [[w:MoM-z14|Oldest Observed Galaxy]]
&lt;/div&gt;

==== Second Set ====
* ''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'': Used to estimate cosmic look-back time ('''Figure 2'''), spanning from approximately 10.4 billion years ago to exactly 12:00:00 TAI on June 21, 1998. Key milestones from the presolar through geological eras include:
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|3B00 0000 0000}}''
** [[w:Murchison_meteorite|Oldest Presolar Grains]]
* Approximately: ''{{mono|5720 9000 0000}}''
** [[w:Hadean|Hadean Eon Begins]]
* Approximately: ''{{mono|5C2A 0000 0000}}''
** [[w:Archean|Archean Eon Begins]]
* Approximately: ''{{mono|6A8C 0000 0000}}''
** [[w:Proterozoic|Proterozoic Eon Begins]]
* Approximately: ''{{mono|7D56 0000 0000}}''
** [[w:Phanerozoic|Phanerozoic Eon Begins]]
&lt;/div&gt;

[[File:Geologic time scale - spiral - ICS colours (light) - path text.svg|frame|center|text-bottom|alt=Geologic time scale proportionally represented as a log-spiral. The image also shows some notable events in Earth's history and the general evolution of life.|thumb|Figure 2: The geologic time scale, proportionally represented as a [[w:Logarithmic_spiral|log-spiral]] with some major events in Earth's history. A [[w:megaannum|megaannum]]
 (Ma) represents one million (10&lt;sup&gt;6&lt;/sup&gt;) years.]]

==== Third Set ====
* ''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'': Used to estimate (and realize) future events. This set begins at precisely 12:00:00 TAI on June 21, 1998, and progresses forward for approximately 13.4 billion years.
&lt;div style=&quot;background-color: #f0f4f7;{{Text color default}}; padding: 15px; border-left: 5px solid #009688;&quot;&gt;
* Approximately: ''{{mono|B000 0000 0000}}''
** [[w:Sun#Life_phases|Death of Sun (main-sequence)]]
&lt;/div&gt;

=== Time Estimation Using Cosmic Redshift ===
In [[w:physics|physics]], a '''redshift''' is an increase in [[w:wavelength|wavelength]] (or a decrease in [[w:frequency|frequency]]) of [[w:electromagnetic radiation|electromagnetic radiation]]. Cosmological redshifts are driven directly by the [[w:expansion of the universe|expansion of the universe]]. The redshift value is denoted by {{math|''z''}}, where the ratio of observed to emitted wavelength is {{math|1 + ''z''}}.

If the original wavelength of a radiation source is known, its cosmological redshift can reveal the light travel time. However, mapping redshift precisely to elapsed time requires an exact cosmological model. Ongoing measurement tension surrounding the [[w:Hubble constant|Hubble constant]] introduces uncertainty into calculations of the exact [[w:Age of the universe|age of the universe]] and distant stars.

This cosmological uncertainty directly affects the accuracy of assigning Bully timestamps. The table in Figure 3 contrasts two estimation tracks based on competing cosmological datasets. One column applies the local distance ladder framework from the '''SH0ES Team''' (corresponding to a younger universe estimate of 12.7 Gyr). The other utilizes cosmic microwave background data from the '''Planck Collaboration''' (yielding an older universe estimate of approximately 13.8 Gyr). Larger z values correspond with the more distant past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 3: Bully Timestamps for Selected Redshift Values Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0; font-size: medium; font-weight: bold;{{Text color default}};&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Redshift z &lt;br /&gt; (z = ∞ to 2)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};”&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = ∞ || {{nowrap|0000 0000 0000}} || {{nowrap|0000 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 18.0 || {{nowrap|01CC 0000 0000}} || {{nowrap|01F4 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 15.0 || {{nowrap|0253 0000 0000}} || {{nowrap|0287 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 12.0 || {{nowrap|032D 0000 0000}} || {{nowrap|0374 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 9.0 || {{nowrap|04B5 0000 0000}} || {{nowrap|051E 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 6.0 || {{nowrap|0809 0000 0000}} || {{nowrap|08BB 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | z = 3.0 || {{nowrap|1285 0000 0000}} || {{nowrap|1420 0000 0000}}
|- style=&quot;font-size:small:small;background-color:#ffffff;;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;;{{Text color default}};&quot; | z = 2.0 || {{nowrap|1C4D 0000 0000}} || {{nowrap|1EC2 0000 0000}}
|}

The forward-progressing timestamps ''{{mono|0000 0000 0000}}'' through ''{{mono|1FFF FFFF FFFF}}'' are illustrated in Figure 4 (bottom of figure). By convention, these timestamps are assumed to begin at the Big Bang and progress forward for approximately three billion years.

[[File:Redshift-by-universe-age-H0-comparison.png|frame|center|alt=Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.|Figure 4: Age of the Universe plot showing Bully timestamps mapped to cosmic redshift.]]

Timestamps ''{{mono|2000 0000 0000}}'' through ''{{mono|8200 0000 0000}}'' (top of Figure 4) measure &quot;lookback&quot; time anchored at timestamp ''8209 ED00 0000''. Because the total age of the universe is unfixed, the precise mathematical relationship between universal age and lookback time remains indefinite. Two different possible universe ages are shown with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

The data illustrated in Figure 5 is the same as is shown in Figure 4, but Figure 5 plots against lookback time on the x-axis, so in this plot the universe age is unfixed with the Planck Collaboration shown in red and the SH0ES Team shown in blue.

[[File:Redshift-by-lookback-time-H0-comparison.png|frame|center|alt=A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.|Figure 5: A cosmic lookback plot showing Bully timestamps mapped to cosmic redshift.]]

The table in Figure 6 is similar to the table in Figure 3, in that it contrasts two estimation tracks based on competing cosmological datasets. However, whereas the data in Figure 3 was for large z values, Figure 6 shows small z values. Smaller z values correspond with the recent past. 

{| class=&quot;wikitable&quot; style=&quot;text-align:center; width:100%; max-width:800px; font-size: small; font-family: monospace, monospace;&quot;
|+ Figure 6: Redshift Values for Selected Bully Timestamps Given Different Universe Age Estimates

|- style=&quot;background-color: #eaecf0;{{Text color default}}; font-size: medium; font-weight: bold;&quot;
! style=&quot;padding: 10px; font-size: large;&quot; | Bully Timestamp &lt;br /&gt; (z = 1 to 0)
|| SHOES Team &lt;br /&gt; (12.7 Gyr) || Planck Collaboration &lt;br /&gt; (13.8 Gyr)
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|4000 0000 0000}} || z = 0.925134 || z = 0.796535
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|6000 0000 0000}} || z = 0.342787 || z = 0.308619
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8000 0000 0000}} || z = 0.016418 || z = 0.015093
|- style=&quot;font-size:small:small;background-color:#ffffff;{{Text color default}};&quot;
| style=&quot;font-weight: bold; background-color: #eaecf0;{{Text color default}};&quot; | {{nowrap|8209 ED00 0000}} || z ≈ 0.000000 || z ≈ 0.000000
|}

===  Time Estimation Relativistic and Cosmological Considerations ===
What does it mean when cosmologists state that the universe is approximately 13.8 billion years old? According to Einstein's theories of special and general relativity, time passes differently for each observer depending on their path through spacetime and the gravitational forces in their vicinity. How, then, can the universe have a single age? Shouldn't its age depend entirely on the observer's frame of reference?

The &quot;age of the universe&quot; cited by cosmologists is actually its maximum possible age. Among all paths an observer could take through spacetime, one specific trajectory maximizes elapsed time. This privileged frame of reference belongs to an observer who remains at rest relative to the Cosmic Microwave Background (CMB) and resides in a region of space with negligible matter. We will refer to this as the &quot;CMB rest frame.&quot;

Importantly, Bully timestamps are divided into three distinct sets, with only the first set (''{{mono|0000 0000 0000}}'' — ''{{mono|1FFF FFFF FFFF}}'') utilizing the CMB rest frame. Timestamps in the third set (''{{mono|8209 ED00 0000}}'' — ''{{mono|FFFF FFFF FFFF}}'') are realized using atomic clocks at sea level on Earth. Due to relativistic time dilation, these terrestrial clocks run slower than identically constructed clocks placed at rest in empty space. All &quot;realized&quot; Bully timestamps from 1958 to the present conform to Earth's sea-level frame of reference.

Furthermore, the &quot;estimated&quot; Bully timestamps in the second set (''{{mono|2000 0000 0000}}'' — ''{{mono|8209 ED00 0000}}'') are typically derived from the radioactive decay of samples found on or within the Earth; thus, these samples decay at a rate comparable to Earth's sea-level frame. The oldest timestamps in this second set come from presolar grains, which formed in different star systems prior to the emergence of our solar system. Because some of these samples may have traveled through space in frames of reference drastically different from Earth's current sea-level frame, the accuracy of these cosmic estimates is inherently limited.

[[Bully_Metric_CMB_Stabilized_Timestamps| Learn More About Relativistic and Cosmological Considerations]]

== Contextualized vs. Decontextualized Time ==

Local clocks and calendars reflect '''contextualized time''', which uses region-specific offsets from Coordinated Universal Time (UTC) to align with physical reality. This time is &quot;contextual&quot; because it provides an intuitive sense of conditions at some specific geographic location; for instance, a traveler arriving in London at 4:00 a.m. can instinctively expect darkness and quiet streets. To maintain this alignment with Earth's natural cycles, UTC requires periodic &quot;leaps&quot; (seconds and years). In '''Figure 10''', the light blue line represents Earth's irregular rotation ('''UT1'''), while the dark blue line shows '''UTC''', which is manually adjusted with leap seconds to track UT1.

In contrast, standards such as International Atomic Time ('''TAI'''), Terrestrial Time ('''TT'''), and '''GPS time''' are '''decontextualized'''. They are independent of Earth's rotation, meaning they do not correspond to &quot;true time&quot; at any specific geographical location. Represented by the black lines in '''Figure 10''', these standards track a continuous, uniform interval measured by atomic clocks. This uninterrupted linearity is vital for scientific and technical systems, where the discontinuities introduced by leap seconds could lead to critical errors or system failures.

[[File:Bully Timestamps in relation to modern time keeping.png|frame|center|text-bottom|Figure 10: Modern Time Keeping]]

The various decontextualized standards currently in use are effectively &quot;frozen&quot; in the astronomical conditions present at the time of their deployment. Because long-term changes in Earth's motion are unpredictable, each system launched with a different initial offset. For example, when GPS was launched in 1980, the '''Delta T''' adjustment (TT-UTC) exceeded 51 seconds. In contrast, the 1972 LORAN-C upgrade began with an adjustment closer to 42 seconds. This historical discrepancy results in a permanent nine-second offset between GPS and LORAN-C. Similarly, LORAN-C remains offset from TAI (deployed in 1958) by exactly ten seconds.

The Bully timestamp system, shown on the far-right axis of '''Figure 10''', follows the same uniform, decontextualized logic as TAI and TT but avoids this &quot;legacy offset&quot; confusion. Unlike existing standards, Bully timestamps are not linked to others by a constant, arbitrary time offset. This independence ensures they are uniquely recognizable and impossible to misinterpret.

[[Bully_Metric_Timestamp_units|Learn More About Contextualized vs Decontextualized time]]

== Why do we need Bully timestamps? ==

All the timestamps in '''Figure 11''' refer to one single, simultaneous moment in time. The left frame illustrates the fragmentation of Coordinated Universal Time (UTC) through time zones. For instance, on June 21, 1998, a UTC time of 11:59:29 a.m. in Accra, Ghana, was simultaneously 8:59:29 p.m. in Tokyo. These time zone offsets are not based on science, but on '''political mandates''' that have resulted in [https://en.wikipedia.org/wiki/List_of_UTC_offsets 38 distinct UTC offsets], including confusing half- and quarter-hour increments. 

{| class=&quot;wikitable&quot; style=&quot;margin-right: 0; margin-left: 1em; text-align: center;&quot;
|+ Figure 11: UTC Time Zones vs. Bully Timestamps.
|-
! Selected UTC Time Zones !! [https://gssc.esa.int/navipedia/index.php/Transformations_between_Time_Systems Decontextualized timestamps]
|-
| rowspan = 3 |
[[File:Timezone-boundary-builder_release_2023d.png|thumb|upright=1.0|
June 21, 1998 at  8:59:29 pm (JST)&lt;/br&gt;
June 21, 1998 at  7:59:29 pm (CST)&lt;/br&gt;
June 21, 1998 at  2:59:29 pm (EEST)&lt;/br&gt;
June 21, 1998 at 12:59:29 pm (IST)&lt;/br&gt;
June 21, 1998 at 11:59:29 am (GMT)&lt;/br&gt;
June 21, 1998 at  8:59:29 am (BRT)&lt;/br&gt;
June 21, 1998 at  4:59:29 am (PDT)&lt;/br&gt;
June 21, 1998 at  1:59:29 am (HST)&lt;/br&gt;
]]
||
[[File:WorldMap-Blank-Noborders.svg|thumb|&lt;br/&gt;
06/21/1998 12:00:32.184 (TT)&lt;br/&gt;
06/21/1998 12:00:00 (TAI)&lt;br/&gt;
06/21/1998 11:59:42 (GPS)
]]
|-
! Bully Timestamp
|-
||
[[File:WorldMap-Blank-Noborders.svg|thumb|8209 ED00 0000 (+ 0.000 sec)]]
|}

==== Legacy Decontextualized Timestamps ====

The decontextualized timestamps (TAI, TT, GPS) in the upper-right frame of '''Figure 11''' attempt to solve the UTC geographic fragmentation problem, yet they remain &quot;cluttered&quot; by Gregorian formatting. Applying a Gregorian date—which is built to track the Sun—to an atomic standard is a '''category error'''. Seeing three different timestamps share the same date while differing by several &quot;leap&quot; seconds is intellectually disorienting because the date has been stripped of its astronomical meaning. In these technical contexts, the Gregorian format is an artificial mask applied for convenience, hiding the true linear nature of time.

For scientific and technical applications, TAI and TT are often expressed via '''Modified Julian Date (MJD)'''—a continuous count of SI days since a fixed epoch. While MJD avoids Gregorian irregularities, it remains &quot;tethered&quot; to the 86,400-second day, a unit that is astronomically meaningless when decontextualized. Similarly, '''GPS time''' relies on a week-based count (since January 6, 1980), forcing a technical system to conform to an arbitrary seven-day cycle. Both systems are cumbersome &quot;hybrids&quot; that attempt to measure linear time using units designed for Earth’s rotation.

==== Decontextualized Bully Timestamps ====

The '''Bully Timestamp''', shown in the lower-right frame of '''Figure 11''', breaks the Gregorian formatting tether. It is a single, unique identifier that applies simultaneously to all locations on Earth because it is never adjusted for geography or orbital drift. For example, Bully timestamp {{mono|8209 ED00 0000}} was realized at the exact moment the UTC based clock read 11:59:29 a.m. in Accra and 8:59:29 p.m. in Tokyo. By discarding the baggage of weeks, days, and hours, the Bully timestamp emerges as the least ambiguous format for representing universal, decontextualized time.

Click on the below links for a comparison of current time in six time standards (local, UTC, GPS, Loran, and TAI), all displayed using traditional Gregorian format:

[http://www.leapsecond.com/m/gps.htm LeapSecond.com]

[https://www.ipses.com/eng/in-depth-analysis/standard-of-time-definition ipses.com]

[http://www.csgnetwork.com/multitimedisp.html csgnetwork.com]

== The Foundations of Bully Metric ==

The Bully Timestamp System was derived from the orbital periods of major Solar System bodies. Specifically, the duration of Earth's '''sidereal year''' (~31,558,150 seconds) is roughly equal to &lt;math&gt;10,330 \times 3,055&lt;/math&gt; SI seconds. This foundational constant—3,055 seconds—serves as the building block for the Bully timestamp system.

The name &quot;Bully&quot; is a dual-reference to the massive astronomical objects that define our local spacetime. In an archaic sense, &quot;bully&quot; means '''&quot;beautiful&quot; or &quot;excellent,&quot;''' describing the celestial harmony of the cosmos. In the modern sense, it refers to the '''dominance and gravitational influence''' of &quot;bullies&quot; like [https://en.wikipedia.org/wiki/Sagittarius_A* Sagittarius A*], the [https://en.wikipedia.org/wiki/Sun Sun], and giant planets like Jupiter and Saturn. These massive bodies dictate the motion of everything around them, serving as the physical anchors for the Bully Metric system.

* [[Bully_Metric_Foundations|Learn More About The Foundations of Bully Metric]]
* [[Bully_Metric_Astronomical_Coordinates|Learn More About The Bully Metric Coordinate System]]

== The Bully Mnemonic ==

&lt;math display=&quot;block&quot;&gt; {1 \, Sidereal \, Year} = {31,558,150 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; {1 \, Tropical \, Year} = {31,556,926 \, Seconds} &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt; 1 \, Great \, Year \approx 25,824 \, Sidereal \, Years \approx 25,825 \, Tropical \, Years &lt;/math&gt;

&lt;math display=&quot;block&quot;&gt;{1 \, Galactic \, Year} \approx 8264 \, Great \, Year \approx 213,417,800 \, Tropical \, Years &lt;/math&gt;


The '''Bully Mnemonic''' is a technique for remembering the exact number of seconds that occur in Earth's [https://en.wikipedia.org/wiki/Sidereal_year sidereal year] and [https://en.wikipedia.org/wiki/Tropical_year tropical year], a good approximation of the Earth's [https://en.wikipedia.org/wiki/Great_Year Great Year], and a rough approximation of the Solar System's [https://en.wikipedia.org/wiki/Galactic_year galactic year]. Click on the following link to learn more about the Bully Mnemonic and the role it plays in the mathematical foundation of Bully timestamps.

* [[Bully Mnemonic |Learn More About The Bully Mnemonic]]
* [[Bully Mnemonic Extension |Learn More About The Bully Mnemonic Extension]]</text>
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See [[s:Category:Music]] and [[w:Category:Music books]]

This part of the [[Universal Bibliography]] is a bibliography of music.

Bibliography
*[[w:Bibliography of Music Literature|Bibliography of Music Literature]]

*Green (ed). Foundations in Music Bibliography. 1993. [https://books.google.co.uk/books?id=rADdpZN9UhAC&amp;pg=PR3#v=onepage&amp;q&amp;f=false]
*Krummel. The Literature of Music Bibliography: An Account of the Writings on the History of Music Printing &amp; Publishing. 2nd Ed: 1992. [https://books.google.com/books?id=3AZsiITI-IEC]
*Bibliography of Music Bibliographies. 1967. [https://books.google.co.uk/books?id=d6YJAQAAMAAJ]
*Bayne. A Guide to Library Research in Music. 2008. [https://books.google.co.uk/books?id=ExGbDqu9gPAC&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*A Selected Bibliography of Music Librarianship [https://books.google.co.uk/books?id=X5AeOl4O-osC]
*Bradley. American Music Librarianship: A Research and Information Guide. [https://books.google.co.uk/books?id=VabcAAAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false] 
*Music Reference and Research Materials. 3rd Ed: 1974: [https://books.google.com/books?id=5Y1IAAAAMAAJ]
*Agruss. Guide to Reference Books on Music. 1948. [https://books.google.co.uk/books?id=wX06AAAAIAAJ]
*Haggerty. A Guide to Popular Music Reference Books: An Annotated Bibliography. 1995. [https://books.google.co.uk/books?id=2OnEEAAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Coover. A Bibliography of Music Dictionaries. 1952: [https://books.google.co.uk/books?id=NH06AAAAIAAJ]. Music Lexicography. 2nd Ed: 1958. Including a Study of Lacunae in Music Lexicography and a Bibliography of Music Dictionaries. 3rd Ed: 1971: [https://books.google.co.uk/books?id=jKMJAQAAMAAJ].
*A Bibliography of Books on Music and Collections of Music. 1948. [https://books.google.co.uk/books?id=vfvpnwWWlZwC]
*Deakin. Musical Bibliography: A Catalogue of the Musical Works. 1892. [https://books.google.co.uk/books?id=-UgQAAAAYAAJ&amp;pg=PP7#v=onepage&amp;q&amp;f=false] (England 15th to 18th century)
*Matthew. The Literature of Music. 1896. [https://books.google.co.uk/books?id=fTQ6AAAAMAAJ&amp;pg=PR3#v=onepage&amp;q&amp;f=false]. Reviews: [https://books.google.co.uk/books?id=bjdVAAAAYAAJ&amp;pg=RA1-PA56#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=dzcZAAAAYAAJ&amp;pg=PA22#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=R0gcAQAAMAAJ&amp;pg=PA470#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=qK5OAQAAMAAJ&amp;pg=PA55#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=1chZAAAAYAAJ&amp;pg=PA155#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=ezszAQAAMAAJ] [https://books.google.co.uk/books?id=5h61TMyTmOMC] [https://books.google.co.uk/books?id=8k8wAQAAIAAJ] [https://books.google.co.uk/books?id=i8W8LKTuc0AC]. Author: [https://books.google.co.uk/books?id=awIQAAAAYAAJ&amp;pg=PA275#v=onepage&amp;q&amp;f=false].
*Hoek. Analyses of Nineteenth- and Twentieth-Century Music, 1940-2000. 2007. [https://books.google.co.uk/books?id=CRG4AQAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*RILM Abstracts of Music Literature. [https://books.google.co.uk/books?id=HxjjAAAAMAAJ]
*Elliker. The Periodical Literature of Music: Trends from 1952 to 1987. 1996. [https://books.google.co.uk/books?id=T5ifAAAAMAAJ]
*Forkel. Allgemeine Litteratur der Musik. 1792. [https://books.google.co.uk/books?id=VTRDAAAAcAAJ&amp;pg=PR1#v=onepage&amp;q&amp;f=false] Review: [https://books.google.co.uk/books?id=3N8sAAAAYAAJ&amp;pg=PA33#v=onepage&amp;q&amp;f=false]

History and bibliography
*Matthew. A Handbook of Musical History and Bibliography. 1898. [https://books.google.co.uk/books?id=V1g5AAAAIAAJ&amp;pg=PR3#v=onepage&amp;q&amp;f=false] Review: [https://books.google.co.uk/books?id=P1lDAQAAMAAJ&amp;pg=PA229#v=onepage&amp;q&amp;f=false]
*Boyden. The History and Literature of Music: 1750 to the Present. 1959. [https://books.google.co.uk/books?id=XcAZAQAAIAAJ]
*Brown. An Introduction to the History and Literature of Music in Western Culture. 2nd Ed: 2011. [https://books.google.co.uk/books?id=aKpGAAAACAAJ]

Chronology, annuals, year books, years
*Eisler. World Chronology of Music History.
*Lowe. A Chronological Cyclopædia of Musicians and Musical Events. 1896.
*Tokyo Ongaku Gakko. Kinsei Hogaku Nempyo. [Chronology of Japanese Music in Recent Ages.] Rokugatsu-Kan. Volume 1. 1912. Volume 2. 1914. Volume 3. 1927. [https://books.google.co.uk/books?id=drMQAQAAMAAJ]
*Cossar. This Day in Music. 2005. 2010.
*Glassman. The Year in Music. Columbia House.
*[[w:Herman Klein|Hermann Klein]]. Musical Notes. Annual Critical Record of Important Musical Events.
*[[w:Joseph Bennett (critic)|Bennett]]. The Musical Year.
*Hinrichsen's Musical Year Book
*The Musical Year Book of the United States
**The Boston Musical Year Book
*Billboard. Overview. 1982: [https://books.google.co.uk/books?id=YyQEAAAAMBAJ&amp;pg=PT53#v=onepage&amp;q&amp;f=false].
*Billboard. The Year in Music. 1994: [https://books.google.co.uk/books?id=ZAgEAAAAMBAJ&amp;pg=PA62#v=onepage&amp;q&amp;f=false]. 2003: [https://books.google.co.uk/books?id=bA8EAAAAMBAJ&amp;pg=PA47#v=onepage&amp;q&amp;f=false].
**The Year in Music and Video. 1985: [https://books.google.co.uk/books?id=uyQEAAAAMBAJ&amp;pg=PT50#v=onepage&amp;q&amp;f=false]. 1986: [https://books.google.co.uk/books?id=tiQEAAAAMBAJ&amp;pg=PA49#v=onepage&amp;q&amp;f=false].
*Jackson. 1965: The Most Revolutionary Year in Music.
*Porter. A Musical Season: 1972-1973. 
**Music of Three Seasons: 1974-1977 
**Music of Three More Seasons 1977-1980
**Musical Events: A Chronicle, 1980-1983.
*[https://news.1242.com/article/tag/大人のmusic-calendar 【大人のMusic Calendar】]. Nippon Broadcasting System. [Articles from 2016 are included in [https://news.1242.com/article/author/toritani/page/42 NEWS ONLINE 編集部の記事一覧].]
*[http://music-calendar.jp Music Calendar]

History
*&quot;Recorded Sound: The First Century: 1877-1977&quot;. Billboard. 21 May 1977. pp [https://books.google.co.uk/books?id=XCMEAAAAMBAJ&amp;pg=PT39#v=onepage&amp;q&amp;f=false RS-1] to RS-117.

Encyclopedias

See also [[w:List of encyclopedias by branch of knowledge/Music]] and [[w:Bibliography of encyclopedias#Music and dance]]
*Encyclopedia of Music in the 20th Century [https://books.google.co.uk/books?id=m8W2AgAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Moore. Complete Encyclopædia of Music. 1852. [https://books.google.co.uk/books?id=-QBFAQAAMAAJ&amp;pg=PA1#v=onepage&amp;q&amp;f=false]

Dictionaries
*Apel. &quot;Dictionaries of music&quot;. Harvard Dictionary of Music. 1969. pp [https://books.google.co.uk/books?id=TMdf1SioFk4C&amp;pg=PA232#v=onepage&amp;q&amp;f=false 232] to 234.

United Kingdom:
*Billboard. Spotlight on the United Kingdom. 1978:  [https://books.google.co.uk/books?id=TSQEAAAAMBAJ&amp;pg=PT78#v=onepage&amp;q&amp;f=false]. 1979: [https://books.google.co.uk/books?id=MCUEAAAAMBAJ&amp;pg=PT100#v=onepage&amp;q&amp;f=false].

Australia:
*Billboard. Spotlight on Australia/New Zealand. 1982: [https://books.google.co.uk/books?id=GCQEAAAAMBAJ&amp;pg=PT54#v=onepage&amp;q&amp;f=false]. 1985: [https://books.google.co.uk/books?id=hiQEAAAAMBAJ&amp;pg=PT29#v=onepage&amp;q&amp;f=false]. 1986: [https://books.google.co.uk/books?id=UCQEAAAAMBAJ&amp;pg=PA60#v=onepage&amp;q&amp;f=false].
**Live Talent of Australia: [https://books.google.co.uk/books?id=YyQEAAAAMBAJ&amp;pg=PT94#v=onepage&amp;q&amp;f=false]

New Zealand:
*Harvey. A Bibliography of Writings about New Zealand Music Published to the End of 1983. 1985. [https://books.google.co.uk/books?id=B1ROA_sP-xsC&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*The Complete New Zealand Music Charts, 1966-2006: Singles, Albums, DVDs, Compilations. 2007. [https://books.google.co.uk/books?id=wyU5AQAAIAAJ]
*Billboard. New Zealand. 2002: [https://books.google.co.uk/books?id=Rg0EAAAAMBAJ&amp;pg=PA37#v=onepage&amp;q&amp;f=false]

Canada:
*Billboard. Spotlight on Canada. 1981: [https://books.google.co.uk/books?id=DSQEAAAAMBAJ&amp;pg=PT50#v=onepage&amp;q&amp;f=false].

Scandanavia:
*Billboard. Spotlight on Scandanavia. 1981: [https://books.google.co.uk/books?id=GCUEAAAAMBAJ&amp;pg=PT86#v=onepage&amp;q&amp;f=false].

France:
*Billboard. Spotlight on France. 1971: [https://books.google.co.uk/books?id=-wgEAAAAMBAJ&amp;pg=PA35#v=onepage&amp;q&amp;f=false]. 1972: [https://books.google.co.uk/books?id=REUEAAAAMBAJ&amp;pg=PA35#v=onepage&amp;q&amp;f=false]. 1982: [https://books.google.co.uk/books?id=AyQEAAAAMBAJ&amp;pg=PT66#v=onepage&amp;q&amp;f=false]. 1986: [https://books.google.co.uk/books?id=ICUEAAAAMBAJ&amp;pg=PA41#v=onepage&amp;q&amp;f=false]

Germany:
*Billboard. Spotlight on West Germany. 1971: [https://books.google.co.uk/books?id=zQgEAAAAMBAJ&amp;pg=PA45#v=onepage&amp;q&amp;f=false]. 1985: [https://books.google.co.uk/books?id=-iMEAAAAMBAJ&amp;pg=PT12#v=onepage&amp;q&amp;f=false].
**Spotlight on West Germany, Austria and Switzerland. 1986: [https://books.google.co.uk/books?id=CSUEAAAAMBAJ&amp;pg=RA1-PA35#v=onepage&amp;q&amp;f=false]

Italy:
*Billboard. Spotlight on Italy. 1981: [https://books.google.co.uk/books?id=8iQEAAAAMBAJ&amp;pg=PT3#v=onepage&amp;q&amp;f=false]. 1985: [https://books.google.co.uk/books?id=3yQEAAAAMBAJ&amp;pg=PT36#v=onepage&amp;q&amp;f=false]. 1986: [https://books.google.co.uk/books?id=2SQEAAAAMBAJ&amp;pg=PA38-IA1#v=onepage&amp;q&amp;f=false]. 1994: [https://books.google.co.uk/books?id=XQgEAAAAMBAJ&amp;pg=PA67#v=onepage&amp;q&amp;f=false].

Spain:
*Billboard. Spotlight on Spain. 1971: [https://books.google.co.uk/books?id=5Q8EAAAAMBAJ&amp;pg=PA49#v=onepage&amp;q&amp;f=false]

Philipines:
*[https://billboardphilippines.com/culture/scenes/lost-history-how-filipino-music-was-documented-in-the-40s-to-2010s/ Lost History: How Filipino Music Was Documented In The ’40s To 2010s]. Billboard Philippines. 18 January 2024.
*[[w:en:Billboard Philippines|Billboard Philippines]]

Brazil:
*Billboard. Spotlight on Brazil. 1996: [https://books.google.co.uk/books?id=NA0EAAAAMBAJ&amp;pg=PA51#v=onepage&amp;q&amp;f=false].

United States
*Krummel. Bibliographical Handbook of American Music. 1987. [https://books.google.co.uk/books?id=G4wcnkvFZl4C&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Krummel. Resources of American Music History: A Directory of Source Materials from Colonial Times to World War II. 1981. [https://books.google.co.uk/books?id=bJcYAAAAIAAJ]

Soviet
*Aschmann. Current Soviet Music Bibliography. 1976. [https://books.google.co.uk/books?id=2i7jAAAAMAAJ]

Decline of pop music:
*[https://www.smithsonianmag.com/smart-news/science-proves-pop-music-has-actually-gotten-worse-8173368/ Science Proves: Pop Music Has Actually Gotten Worse]. [[w:Smithsonian (magazine)|Smithsonian]]. 27 July 2012.
*[https://faroutmagazine.co.uk/new-study-discovers-pop-music-has-suffered-significant-decline-in-one-area/ New study discovers pop music has suffered “significant decline” in one area]. [[w:Far Out (website)|Far Out]]. 5 July 2024.
*[https://www.globalnews.ca/news/9001083/why-older-music-more-popular-than-new-music/amp/ There is something very, very wrong with today’s music. It just may not be very good.] [[w:Global News|Global News]]. 24 July 2022.
*[https://www.bbc.co.uk/music/articles/fb84bf19-29c9-4ed3-b6b6-953e8a083334 Has pop music lost its fun?]. BBC. 12 January 2018.
*[https://www.spectator.co.uk/article/its-official-modern-music-is-bad/ It’s official: modern music is bad]. The Spectator. 13 February 2024.

Homogeneity of pop music:
*[https://www.theguardian.com/music/2012/jul/27/pop-music-sounds-same-survey-reveals Pop music these days: it all sounds the same, survey reveals]. The Guardian. 27 July 2012.
*[https://www.nbcnews.com/id/wbna48356108 Pop Music All Sounds the Same Nowadays]. NBC News. 27 July 2012.
*[https://www.independent.co.uk/voices/comment/why-does-today-s-pop-music-sound-the-same-because-the-same-people-make-it-8368714.html Why does today's pop music sound the same? Because the same people make it]. The Independent. 29 November 2012.
*[https://www.reuters.com/article/lifestyle/science/pop-music-too-loud-and-all-sounds-the-same-official-idUSBRE86P0R9/ Pop music too loud and all sounds the same: official]. Reuters. 26 July 2012.
*[https://theconversation.com/from-art-form-to-asset-our-study-found-popular-songs-are-becoming-more-generic-266097 From art form to asset: our study found popular songs are becoming more generic]. The Conversation. 3 October 2025.

Conferences:
*International Music Industry Conference. 1971: [https://books.google.co.uk/books?id=tggEAAAAMBAJ&amp;pg=PA29#v=onepage&amp;q&amp;f=false]

Laserdisc/Karaoke/CES
*Billboard. Karaoke. 1992:
[https://books.google.co.uk/books?id=jg8EAAAAMBAJ&amp;pg=PA41-IA1#v=onepage&amp;q&amp;f=false]
**CES and Karaoke. 1994. [https://books.google.co.uk/books?id=UggEAAAAMBAJ&amp;pg=PA77#v=onepage&amp;q&amp;f=false]
**Laserdisc. 1995. [https://books.google.co.uk/books?id=7AsEAAAAMBAJ&amp;pg=PA67#v=onepage&amp;q&amp;f=false]
**Laserdisc/Karaoke. 1996: [https://books.google.co.uk/books?id=iQ8EAAAAMBAJ&amp;pg=PA59#v=onepage&amp;q&amp;f=false]

Classical music
*Billboard spotlights: 1995 [https://books.google.co.uk/books?id=1g0EAAAAMBAJ&amp;pg=PA39#v=onepage&amp;q&amp;f=false] (9 September 1995)
**&quot;Classical Music Recording Market&quot;. Billboard. 12 April 1980. pp C-1 to C-12 and p 32. (A Billboard Spotlight).
**&quot;Classical Music: Discovering New Dimensions&quot;. Billboard. 10 September 1983. pp C-1 to C-18. (A Billboard Spotlight).
*&quot;Classical&quot; section, and &quot;Best Selling Classical LPs&quot; chart, in Billboard

Jazz
*[[w:en:All About Jazz|All About Jazz]]

Oldies
*&quot;Oldies stations find their place in radio market&quot;. Star-News. 13 March 1988. pp 1D &amp; [https://books.google.co.uk/books?id=2OoyAAAAIBAJ&amp;pg=PA16#v=onepage&amp;q&amp;f=false 6D]: &quot;Oldies&quot;.
*Billboard. 15 April 1972. [https://books.google.co.uk/books?id=a0UEAAAAMBAJ&amp;pg=PT7#v=onepage&amp;q&amp;f=false p 47].
*Billboard. 17 April 1961, [https://books.google.co.uk/books?id=JiIEAAAAMBAJ&amp;pg=PA1#v=onepage&amp;q&amp;f=false p 1].
*Billboard. 4 January 1960, [https://books.google.co.uk/books?id=Ch8EAAAAMBAJ&amp;pg=PA1#v=onepage&amp;q&amp;f=false p 1]

Nostalgia

See also [[Universal Bibliography/Nostalgia]]
*&quot;A Perspective on the Future of Nostalgia&quot;. Billboard.  4 May 1974. pp [https://books.google.co.uk/books?id=cgkEAAAAMBAJ&amp;pg=PA37#v=onepage&amp;q&amp;f=false N-1] to N-54 and two more pages.
*Carr. Nostalgia, Song and the Quest for Home: Production, Text, Reception. 2025. [https://books.google.co.uk/books?id=xz1jEQAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]

Charts
*Carroll, &quot; Did Billboard, Cash Box, and Record World Charts Tell the Same Story? Perception and Reality, 1960-1979&quot;(2022) 9 Rock Music Studies [https://www.tandfonline.com/doi/full/10.1080/19401159.2022.2054107 199]

Magazines

See also [[w:Category:Music magazines]]
*Billboard. Google: [https://books.google.co.uk/books/serial/ISSN:00062510?rview=1&amp;lr=&amp;sa=N&amp;start=2770 1942] onwards

==Japanese and Japan==
*The Ashgate Research Companion to Japanese Music. 2017. [https://books.google.co.uk/books?id=W2JTgQGc99EC&amp;pg=PP1#v=onepage&amp;q&amp;f=false] [https://books.google.co.uk/books?id=4tINDgAAQBAJ&amp;pg=PA2#v=onepage&amp;q&amp;f=false]

*Billboard. Spotlight on Japan. 1970: 19 December 1970 [https://books.google.co.uk/books?id=mSkEAAAAMBAJ&amp;pg=PA37#v=onepage&amp;q&amp;f=false]. 1971: 11 December 1971 [https://books.google.co.uk/books?id=Fg8EAAAAMBAJ&amp;pg=PA39#v=onepage&amp;q&amp;f=false]. 1973: 17 February 1973 [https://books.google.co.uk/books?id=QEUEAAAAMBAJ&amp;pg=PT25#v=onepage&amp;q&amp;f=false]. 1977: 30 April 1977 [https://books.google.co.uk/books?id=USMEAAAAMBAJ&amp;pg=PT46#v=onepage&amp;q&amp;f=false]. 1979: [https://books.google.co.uk/books?id=_iQEAAAAMBAJ&amp;pg=PT48#v=onepage&amp;q&amp;f=false]. 1982:[https://books.google.co.uk/books?id=byQEAAAAMBAJ&amp;pg=PT38#v=onepage&amp;q&amp;f=false]. 1985: [https://books.google.co.uk/books?id=1CQEAAAAMBAJ&amp;pg=PT65#v=onepage&amp;q&amp;f=false]. 1986:[https://books.google.co.uk/books?id=-CMEAAAAMBAJ&amp;pg=RA1-PA79#v=onepage&amp;q&amp;f=false]. 1993: 12 June 1993 [https://books.google.co.uk/books?id=9A8EAAAAMBAJ&amp;pg=PA57#v=onepage&amp;q&amp;f=false]. 1995: 5 August 1995 [https://books.google.co.uk/books?id=xwsEAAAAMBAJ&amp;pg=PA52-IA1#v=onepage&amp;q&amp;f=false]. 1996: 31 August 1996 [https://books.google.co.uk/books?id=vwcEAAAAMBAJ&amp;pg=PA66#v=onepage&amp;q&amp;f=false]. 1997: 30 August 1997 [https://books.google.co.uk/books?id=_gkEAAAAMBAJ&amp;pg=PA61#v=onepage&amp;q&amp;f=false]. 1998: 26 September 1998 [https://books.google.co.uk/books?id=GgoEAAAAMBAJ&amp;pg=PA117#v=onepage&amp;q&amp;f=false]. 2000: 9 September 2000 [https://books.google.co.uk/books?id=aREEAAAAMBAJ&amp;pg=PA65#v=onepage&amp;q&amp;f=false]. 2002: 7 September 2002 [https://books.google.co.uk/books?id=-QwEAAAAMBAJ&amp;pg=PA53#v=onepage&amp;q&amp;f=false]. 2003: 5 July 2003 [https://books.google.co.uk/books?id=3w0EAAAAMBAJ&amp;pg=PA45#v=onepage&amp;q&amp;f=false].
**&quot;Japan in 1974: Business Bristles While Shortages Are Met&quot;. Billboard. 23 February 1974. pp J-1 to J-30. (A Billboard Spotlight).
**&quot;Made in Japan: A Dynamic Music Industry&quot;. Billboard. 1 March 1975. pp J-1 to J-23. (A Billboard Spotlight).
**&quot;Japan '76&quot;. Billboard. 17 April 1976. pp 36 to 59. (A Billboard Spotlight).
**&quot;Japanese Music: The Challenge of Recession&quot;. Billboard. 27 May 1978. pp J-1 to J-31. (A Billboard Spotlight).
**&quot;Music in Japan: Industry Views 1981 With Quiet Optimism&quot;. Billboard. 30 May 1981. pp J-1 to J-18.
**&quot;Japan: Where Technology Greets Tradition&quot;. (An International Market Profile). Billboard. 21 May 1983. pp J-1 to J-13. Follows p 34.
**&quot;Billboard Spotlight on Japan: VCRs and CDs Will Be Pacemakers&quot;. Billboard. 26 May 1984. pp J-1 to J-11. Follows p 38.
**&quot;Spotlight on Japan&quot;. Billboard. 6 June 1987. pp J-1 to J-12.
**&quot;Japan '88&quot;. Billboard. 9 July 1988. pp J-1 to J-11. (A Billboard International Spotlight).
**&quot;Japan&quot;. (&quot;Japan '89&quot;/&quot;Spotlight on Japan&quot;). Billboard. 3 June 1989. pp J-1 to J-20. (International Spotlight).
**&quot;Japan&quot;. (&quot;International Spotlight&quot;/&quot;A Billboard Spotlight&quot;). Billboard. 25 May 1991. pp J-1 to J-26. Follows p 50. Called &quot;Japan '91&quot; on front page.
*[[w:The Best Ten|The Best Ten]] (ザ・ベストテン). [Television programme]. [https://www.tbs.co.jp/tbs-ch/special/the_bestten/ Episodes].
*[[w:ja:Music Station|Music Station]].  [Television programme]. Episodes: [https://www.tv-asahi.co.jp/music/contents/m_lineup/0003/index.html episode 1] etc.
*Wade. Music in Japan: Experiencing Music, Expressing Culture. 2005. [https://books.google.co.uk/books?id=XXYIAQAAMAAJ]
*Malm. Japanese Music &amp; Musical Instruments. 1959. [https://books.google.com/books?id=QkTaAAAAMAAJ]
*[[w:Francis Taylor Piggott|Pigott]]. The Music and Musical Instruments of Japan. 1893 [https://books.google.co.uk/books?id=ttKTUwmjzMwC&amp;pg=PR3#v=onepage&amp;q&amp;f=false]. 1909. [https://books.google.co.uk/books?id=MAM5AAAAIAAJ]
*Robert C Provine, Yoshiko Tokumaru and J Lawrence Witzleben. &quot;Japan&quot;. East Asia: China, Japan, and Korea. The Garland Encyclopedia of World Music, vol 7. Routledge. 2002. ISBN 0-8240-6041-5. Part 4. pp 531 to 800. [https://books.google.co.uk/books?id=-J1ADwAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Toru Mitsui. &quot;Interactions of Imported and Indigenous Musics in Japan: A Historical Overview of the Music Industry&quot;. Fouli T Papageorgiou (ed). Whose Master's Voice?: The Development of Popular Music in Thirteen Cultures. Chapter 9. [https://books.google.co.uk/books?id=xHrDEAAAQBAJ&amp;pg=PA152#v=onepage&amp;q&amp;f=false p 152].

Bibliography
*Tsuge. Japanese Music: An Annotated Bibliography. 1986. [https://books.google.com/books?id=YCsKAQAAMAAJ]
*[[w:ja:三井徹|Tōru Mitsui]]. Popyurā Ongaku Kankei Tosho Mokuroku: Ryūkōka, Jazu, Rokku, J-poppu no Hyakunen. (Japanese: ポピュラー音楽関係図書目録: 流行歌、ジャズ、ロック、Jポップの百年). Nichigai Associates. 2009. [https://books.google.co.uk/books?id=dSAxAQAAIAAJ]. Catalogues: [https://search.worldcat.org/title/406243182] [https://cir.nii.ac.jp/crid/1970586434933272116]
*[https://ndlsearch.ndl.go.jp/rnavi/avmaterials/post_572 音楽に関する文献を探すには（主題書誌）]. NDL.

Dictionaries
*[[w:ja:下中弥三郎|Shimonaka Yasaburo]] (ed). Ongaku Jiten. Heibonsha.  Review: (1959) 18 Journal of Asian Studies 295 [https://www.cambridge.org/core/journals/journal-of-asian-studies/article/abs/ongaku-jiten-dictionary-of-music-ed-shimonaka-yasaburo-tokyo-heibonsha-195557-12-volumes-900-yen-per-volume/F3067B1CE61B5B2C647091E69CE8C8DD] [https://read.dukeupress.edu/journal-of-asian-studies/article-abstract/18/2/295/322980/Ongaku-jiten-Dictionary-of-Music?redirectedFrom=fulltext]

History
*Eta Harich-Schneider. A History of Japanese Music. 1973. [https://books.google.com/books?id=3AraAAAAMAAJ]
*Koh-ichi Hattori. 123 Years of Japanese Music: The Culture of Japan Through a Look at Its Music. 2004. [https://books.google.com/books?id=znzsAAAAMAAJ]
**Koh-ichi Hattori. 36,000 Days of Japanese Music: The Culture of Japan Through A Look At Its Music. Pacific Vision. Pierce, Southfield, Michigan. 1996. ISBN 0965364208.
*Shinpan Nihon Ryūkōkashi. (Japanese: 新版日本流行歌史). [[w:ja:社会思想社|Shakaishisosha]]. 1994. Review: [https://books.google.co.uk/books?id=XQdIAAAAMAAJ]. Catalogue: [https://ndlsearch.ndl.go.jp/en/books/R100000002-I000002420287]
**新版日本流行歌史: 1960-1994. [https://books.google.com/books?id=_b4pAQAAIAAJ] [https://books.google.co.uk/books?id=nb4pAQAAIAAJ]. 
**新版日本流行歌史: 1938-1959
**1867-1937

*Mehl. Music and the Making of Modern Japan: Joining the Global Concert. 2024. [https://books.google.co.uk/books?id=P3QMEQAAQBAJ&amp;pg=PA2#v=onepage&amp;q&amp;f=false]

Annuals, yearbooks
*Ongaku-Nenkan (Japanese: 音楽年鑑) (English: &quot;Music Year Book&quot;, &quot;Music Yearbook&quot;, &quot;Yearbook of Music&quot;). [[w:ja:音楽之友社|Ongaku No Tomo Sha]]. [https://books.google.co.uk/books?id=BhoKAQAAMAAJ 1960] [https://books.google.co.uk/books?id=-bXPAAAAMAAJ 1968] [https://books.google.co.uk/books?id=yNAJAQAAMAAJ 1992]. Catalogues: [https://ci.nii.ac.jp/ncid/BN0029282X] [https://ci.nii.ac.jp/ncid/BN11185209]

Modern, contemporary, today
*Johnson. Handbook of Japanese Music in the Modern Era. 2024. [https://books.google.co.uk/books?id=KNP7EAAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Matsue. Focus: Music in Contemporary Japan. 2016. [https://books.google.co.uk/books?id=AQgtCgAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Music of Japan Today. [https://books.google.co.uk/books?id=YZQYEAAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]

Popular music
*Mitsui (ed). Made in Japan: Studies in Popular Music. 2014. [https://books.google.co.uk/books?id=YWQKBAAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Stevens. Japanese Popular Music: Culture, Authenticity and Power. 2008. [https://books.google.co.uk/books?id=OHMkdcL9DAMC&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Mitsui. Popular Music in Japan: Transformation Inspired by the West. 2020. [https://books.google.co.uk/books?id=FpbqDwAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Nagahara. Tokyo Boogie-Woogie: Japan’s Pop Era and Its Discontents. 2017. [https://books.google.co.uk/books?id=iTxYDgAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Patterson. Music and Words: Producing Popular Songs in Modern Japan, 1887–1952. 2019. [https://books.google.co.uk/books?id=P0FvDwAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*James Stanlaw. &quot;Using English identity markers in Japanese Popular Music&quot;. English in East and South Asia. Chapter 14. [https://books.google.co.uk/books?id=88A1EAAAQBAJ&amp;pg=PT109#v=onepage&amp;q&amp;f=false]
*&quot;Japanese Popular Music in Singapore&quot;. Asian Music. vol 34. No 1: Fall/Winter 2002/2003. p 1. [https://books.google.co.uk/books?id=_D4JAQAAMAAJ]
*Steve McClure. Nipponpop. Tuttle Publishing. 1998. ISBN 9780804821070. ISBN 0804821070. [Sometimes called &quot;Nippon Pop&quot;]. Catalogue: [https://search.worldcat.org/title/Nipponpop/oclc/247384040]
Review: (1998) [https://books.google.co.uk/books?id=f9egmeZ8YywC 245] The Publishers Weekly 2 

From folk to J-pop
*[[w:ja:富澤一誠|Issei Tomizawa]]. Ano subarashii kyoku o mō ichido: fōku kara J-poppu made. (Japanese: あの素晴しい曲をもう一度: フォークからJポップまで). [[w:Shinchosha|Shinchosha]]. 2010. [https://books.google.com/books?id=ju9MAQAAIAAJ]. Catalogue: [https://search.worldcat.org/title/501749494]. Commentary on book: [https://www.ytv.co.jp/michiura/time/2010/01/j2010110.html]. Review of the CD: [https://www.cdjournal.com/i/disc/great-agefree-music-forever-and-great-music-are-o/4109110788].

J-pop
*Bourdaghs. Sayonara Amerika, Sayonara Nippon: A Geopolitical Prehistory of J-pop. 2012. [https://books.google.co.uk/books?id=K_y88JwibrMC&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*&quot;The Rise of J-Pop in Asia and Its Impact&quot; (2004) Japan Spotlight. vol 23. p 24. [https://books.google.co.uk/books?id=i7C0AAAAIAAJ]
*Terence Lancashire. &quot;J-pop's elusive J: Is Japanese popular music Japanese?&quot; (2008) Perfect Beat. vol 9. No 1. p 38. [https://books.google.co.uk/books?id=5No4AQAAIAAJ]
*Tetsu Misaki. J-poppu no Nihongo: kashiron. (Japanese: Jポップの日本語: 歌詞論). [[w:ja:彩流社|彩流社 (Sairyusha)]]. 2002. [https://books.google.com/books?id=dsMpAQAAIAAJ] [https://search.worldcat.org/ja/title/J-:/oclc/52005194]
*[[w:ja:烏賀陽弘道|Hiromichi Ugaya]]. Jpoppu Towa Nanika: Kyodaikasuru Ongaku Sangyō. (Japanese: Jポップとは何か: 巨大化する音楽産業). 2005. [https://books.google.co.uk/books?id=TLlOAAAAMAAJ] catalogue [https://search.worldcat.org/ja/title/J-:/oclc/676652594] [https://ci.nii.ac.jp/ncid/BA71618018]

Japanese rock
*Takarajima Special Edition: Encyclopedia of Japanese Rock 1955-1990. Nihon rokku daihyakka: Rokabirī kara bando būmu made. (Japanese: 日本ロック大百科 [年表編] ロカビリーからバンド・ブームまで 1955〜1990).  [[w:ja:JICC出版局|JICC Shuppankyoku]]. 1992. ISBN 9784796602907. ISBN 4796602909. Catalogues: [https://ci.nii.ac.jp/ncid/BN07889172] [https://catalogue.nla.gov.au/catalog/2263400].
*Japanese Rock: Standard: 1967-1985. 日本のロック名曲徹底ガイド: 名曲263決定盤846. CDJournal. 2008. ISBN 9784861710469. ISBN 4861710464. [https://www.cdjournal.com/Company/products/mook.php?mno=20081002]. Catalogue: [https://ci.nii.ac.jp/ncid/BA8932668X?l=en].
*Kojima Satoshi (Japanese: 小島智). 検証・80年代日本のロック. アルファベータブックス. 2024. ISBN 9784865981179. ISBN 4865981179. [https://books.google.com/books?id=0gbl0AEACAAJ]. Review: [https://mainichi.jp/articles/20241026/ddm/015/070/005000c].

Jazz
*[[w:ja:スイングジャーナル|Swing Journal]] (1947 to 2010) Commentary: [https://www.allaboutjazz.com/news/swing-journal-long-standing-jazz-magazine-to-be-suspended-in-june/] 

Japanese fusion:
*THE DIG presents 日本のフュージョン. Shinko Music Mook. Released 19 April 2013. Commentary: [https://www.cdjournal.com/news/casiopea/50967]. No II. Released 23 October 2014. Commentary: [https://www.cdjournal.com/news/takanaka-masayoshi/62225]

Classical
*[[w:ja:ぶらあぼ|Bravo]] (Japanese: ぶらあぼ) ebravo.jp
*[[w:ja:音楽芸術 (雑誌)|Ongaku Geijutsu]] (Japanese: 音楽芸術)

Magazines

For Japanese music magazines, see [[w:ja:日本の音楽雑誌]].
*Music Periodicals in Japan — A Comprehensive List (1988) 35 Fontes Artis Musicae 116 [https://www.jstor.org/stable/23507222] [https://books.google.com/books?id=qHYWAAAAIAAJ]
**Kishimoto, &quot;Additional Corrections and Alphabetical Title Index&quot; (1989) 36 Fontes Artis Musicae 38 [https://www.jstor.org/stable/23507313] [https://books.google.co.uk/books?id=7XYWAAAAIAAJ] 
*Special Bibliography: A Bibliography of Japanese Magazines and Music (1959) 3 Ethnomusicology 76 [https://www.jstor.org/stable/924290]
*A Historical Survey of Music Periodicals in Japan: 1881—1920 (1989) 36 Fontes Artis Musicae 44 [https://www.jstor.org/stable/23507314]
*[[w:ja:篠原章|Akira Shinohara]]. 日本ロック雑誌クロニクル. [[w:en:Ohta Publishing|Ohta Publishing]]. 2005. [https://books.google.co.uk/books?id=L8opAQAAIAAJ]

*[[w:Oricon|Oricon]] (オリコン)
**[https://web.archive.org/web/19970412131857/http://www.999.com/Oricon/index.html Oricon Music Site]. Commentary: [https://internet.watch.impress.co.jp/www/article/980309/oms.htm].
*[[w:Billboard Japan|Billboard Japan]] (ビルボード・ジャパン)
**Music Labo (ミュージック・ラボ) (1970 to 1994)
*Music Research (ミュージック・リサーチ) [&quot;Weekly Music Magazine&quot;]. Catalogue: [https://web.archive.org/web/20260319070908/https://ndlsearch.ndl.go.jp/books/R100000002-I000000039804].
*Rolling Stone Japan
*新譜ジャーナル (Shinpu Journal). Catalogue: [https://ndlsearch.ndl.go.jp/books/R100000002-I000000012315]. Began 1968 [https://books.google.co.uk/books?id=L8opAQAAIAAJ], later called シンプジャーナル
**シンプジャーナル

*Myūjikku mansurī [ミュージック・マンスリー]  [https://ci.nii.ac.jp/ncid/AN00396190]

*カセットライフ. (Cassette Life). [[w:ja:シンコーミュージック・エンタテイメント|Shinko Music Entertainment]]
*[[w:ja:CDジャーナル|CDJournal]]
*[[w:ja:Rockin'on Japan|Rockin'on Japan]]. (ロッキング・オン・ジャパン). (1986 onwards)
*[[w:ja:Rooftop|Rooftop]] (1976 onwards)

*[[w:ja:FOOL'S MATE|Fool's Mate]]
*Record Monthly (レコード・マンスリー). From 日本レコード振興株式会社. Catalogues: [https://ci.nii.ac.jp/ncid/AA11433275] [https://ndlsearch.ndl.go.jp/books/R100000002-I000000027924]

Columns in periodicals
*&quot;Japanese Newsnotes&quot;. Billboard. (eg 17 April 1961, [https://books.google.co.uk/books?id=JiIEAAAAMBAJ&amp;pg=PA13#v=onepage&amp;q&amp;f=false p 13].)

Websites
*[[w:ja:ナタリー (ニュースサイト)|Natalie]] (ナタリー)
*[[w:ja:BARKS|Barks]]
*OKMusic. Commentary: [https://xtech.nikkei.com/it/article/NEWS/20120626/405442/].

Charts

For Japanese music charts, see [[w:ja:日本の音楽チャート]]

Chart books
*Oricon Chart Book (Japanese: オリコンチャート・ブック)
**1987 to 1998 Oricon Chart Book. All Albums. [https://books.google.co.uk/books?id=KvEoNwAACAAJ]
**Album Chart Book Complete Edition 1970〜2005. Catalogue:[https://www.tosyokan.pref.shizuoka.jp/licsxp-opac/WOpacMsgNewListToTifTilDetailAction.do?tilcod=1000610247212]
*澤山博之. ミュージック・ライフ 東京で1番売れていたレコード 1958~1966. Shinko Music Entertainment. 2019. [Charts published in Music Life from 1958 onwards]. Commentary: [https://mikiki.tokyo.jp/articles/-/20952 Mikiki]

Number ones
*Oricon No.1 Hits 500. Clubhouse (Japanese: クラブハウス). 1994. 1998.
**[https://books.google.com/books?id=GlsnNwAACAAJ vol 1 (1968~1985)]. ISBN 9784906496129.
**[https://books.google.com/books?id=icInNwAACAAJ vol 2 (1986~1994)]. ISBN 9784906496136.

Awards

Japan Record Awards
*輝く!日本レコード大賞 公式データブック: 放送60回記念: TBS公認. Shinko Music Entertainment. ISBN 9784401647019. [https://books.google.co.uk/books?id=JcDqvwEACAAJ] [https://ci.nii.ac.jp/ncid/BB2773137X]

Traditional, Hogaku
*Malm. Traditional Japanese Music and Musical Instruments. [https://books.google.co.uk/books?id=Yn3VQbqywCsC&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Miyuki Yoshikami. Japan's Musical Tradition: Hogaku from Prehistory to the Present. 2020. [https://books.google.co.uk/books?id=X3XTDwAAQBAJ&amp;pg=PP1#v=onepage&amp;q&amp;f=false]
*Hughes. Traditional Folk Song in Modern Japan: Sources, Sentiment and Society. 2008. [https://books.google.co.uk/books?id=yfV5DwAAQBAJ&amp;pg=PR1#v=onepage&amp;q&amp;f=false]

Koto:
*Tokyo Academy of Music. Collection of Japanese Koto Music. 1888. [https://books.google.co.uk/books?id=RncQAAAAYAAJ&amp;pg=PP13#v=onepage&amp;q&amp;f=false][https://babel.hathitrust.org/cgi/pt?id=hvd.32044040839565&amp;seq=1]

Exam guides:

For the 音楽CD検定 exam on music CDs:
*音楽CD検定公式ガイドブック. 2007. [[w:ja:音楽出版社 (企業)|Ongaku Shuppansha Co Ltd]] (音楽出版社). [https://books.google.co.uk/books?id=sbjdeDJMkQcC&amp;pg=PP1#v=onepage&amp;q&amp;f=false vol 1]. [https://books.google.co.uk/books?id=AoFgIowII48C&amp;pg=PP1#v=onepage&amp;q&amp;f=false vol 2]. Commentary: [https://www.cdjournal.com/i/news/-/15303] [https://www.oricon.co.jp/news/46065/full/] [https://allabout.co.jp/gm/gc/57723/] [https://www.oricon.co.jp/news/45388/full/].

Children's music
*Elizabeth May. The Influence of the Meiji Period on Japanese Children's Music. University of California Press. 1963. [https://books.google.co.uk/books?id=54cHAQAAMAAJ]
**Japanese Children's Music Before and After Contact with the West. University of California at Los Angeles. 1958. (doctoral dissertation).

DJs
*Masahiro Yasuda, &quot;How Japanese DJs cut across Market Boundaries&quot; (1999) [https://books.google.co.uk/books?id=H5QJAQAAMAAJ 4] Perfect Beat 45

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      <text bytes="25038" sha1="koduhd7fh0t12byhegzqow0yyd5acoc" xml:space="preserve">{{title|Incentive theory of motivation:&lt;br&gt;How do external incentives influence approach and avoidance behaviour?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=1}}
[[File:Deadline ! (7320523564).jpg|thumb|250x250px|'''Figure 1.''' Student working towards deadline]]
'''Scenario'''

Maddy is a university student who has an essay due on the weekend. She knows she should start working on it early so that she has time to do her best work, but instead, she puts it off. Throughout the week, she spends her free time binging shows and scrolling through Instagram reels. Finally, the day before her essay is due, she realises that if she doesn’t start now, she is going to fail her course. Fuelled by the fear of failing, she spends her weekend frantically writing.

Jamie, Maddy’s classmate, is a high achiever and hopes to get a dean’s excellence award for her marks this semester. Jamie started researching and planning her essay weeks before the deadline. She set aside time each day to work on her essay, meaning she finished a draft early in the week and was able to get feedback. She handed in her final, polished essay before the weekend, feeling confident in her work and excited for her result.
{{RoundBoxBottom}}

In this scenario, two students are working towards the same deadline (see Figure 1); however, each one is fuelled by a different type of motivation. Maddy is driven by a desire to avoid a negative outcome (e.g., failing her course); this is an example of [[Motivation and emotion/Book/2013/Avoidance motivation|avoidance]] behaviour (Elliot, 2013). Meanwhile, Jamie is acting to gain a positive outcome (e.g., achieving a high mark), an example of [[Motivation and emotion/Book/2022/Approach motivation|approach]] behaviour (Elliot, 2013). Both Maddy's and Jamie’s behaviours are driven by external incentives. 

Incentive theory suggests that human behaviour is driven by external factors, made up of both positive incentives (rewards) and negative incentives (punishments). These incentives can be tangible (like money or food) or intangible (like praise or recognition) (Silverman et al., 2016). The strength of an incentive impacts the likelihood of an individual acting in response. However, the same incentive can have varying power depending on the person or situation (Hagger et al., 2015). Other factors, including the delivery time of rewards, reward salience, and choice, can also impact how effective an incentive is (Lehtivuori, 2023).

Some studies have suggested that external incentives can undermine intrinsic motivation (motivation driven by personal values and enjoyment) (Deci &amp; Ryan, 2000). This is particularly significant as intrinsic motivation is linked to better outcomes in the performance and well-being of individuals, compared with externally controlled behaviour (Deci &amp; Ryan, 2000). However, different theorists hold contentious views on the issue, and it remains the topic of debate (Lehtivuori, 2023).

Understanding motivation has major real-world significance in that motivation is essential for producing behaviour. Knowing how external factors influence behaviour enables environments to be manipulated to promote desirable behaviours (Hagger et al., 2020). Managers, teachers, coaches, health care providers, parents, and anyone else needing to mobilise others to action, benefit from a knowledge of motivation and how to harness it (Deci &amp; Ryan, 2000).

{{RoundBoxTop|theme=3}}
'''Focus questions'''
# What are approach and avoidance behaviours?
# What impacts the strength of an incentive?
# How do external incentives impact intrinsic motivation?
# What are the practical applications of incentive theory?
{{RoundBoxBottom}}

== Approach and avoidance behaviour==
The incentive theory of motivation is underpinned by the concepts of approach and avoidance behaviour. The approach-avoidance distinction has appeared in scholarly writing for thousands of years, with the earliest reference being from the Greek philosopher Democritus (460–370 B.C.E.), who first described the human tendency to pursue immediate pleasure and avoid pain (Elliot, 2006). This concept continued to hold significance in the work of early psychologist William James in the late nineteenth century and later in Freud’s psychodynamic theory (Elliot, 2006). In the 1960s and 1970s, cognitive and social-cognitive theorists moved away from affective explanations of motivation; however, in the 1990s, approach-avoidance theories returned to prominence as theorists acknowledged the interconnected nature of cognition and motivation. In the last several decades, the approach-avoidance distinction has been used and applied in many ways (Elliot, 2006).

=== Appetitive vs aversive stimuli ===
Approach motivation is generally associated with appetitive stimuli, rewards, and incentives, while avoidance is connected with aversive stimuli, punishments, and threats (Elliot et al., 2013). It is expected that individuals with normal adaptive functioning will orient themselves towards rewards and incentives, and away from punishments and threats (Elliot et al., 2013). Approach and avoidance are not necessarily defined by physical distance. For example, stepping back from a painting to view it more clearly can represent approach motivation because the persons goal remains engagement with the stimuli. (Elliot, 2006). Additionally, approach and avoidance behaviour do not just include new movement toward or away from stimuli, but also maintaining current orientation toward or away from a stimulus (Elliot et al., 2013).

=== Emotional valence ===
Approach and avoidance behaviours have traditionally been linked to specific emotions (Elliot, 2013). They are often associated with emotional valence, that is, the positive or negative quality of an experience (Elliot, 2013). Approach behaviour is linked with positive valence, and avoidance behaviour is linked with negative valence (Elliot, 2013). However, this concept does not apply to all emotions; anger, for example, has a negative valence but is often linked to approach motivation (Elliot, 2013).

=== Stimulus evaluation ===
[[File:Cake Dessert.jpg|thumb|'''Figure 2.''' Dessert can have positive or negative motivational valence|294x294px]]
When presented with a stimulus, people engage in cognitive appraisals to determine if the stimulus is beneficial or detrimental (Elliot, 2013). These stimuli can vary from concrete (e.g., physical objects) to abstract (e.g., memories) (Elliot, 2013). Stimulus evaluation occurs at multiple levels across the neuroaxis, including rudimentary exteroceptive reflexes, subcortical computations, and higher-order cortical processing (Elliot, 2013). These evaluations involve a contextual lens, meaning an individual's current needs are considered when appraising a stimulus. For example, a dessert (see Figure 2) that usually holds positive valence may have negative motivational valence when an individual is full or is on a diet (Elliot, 2013). Understanding that the same incentive may hold different value depending on the context is crucial in applying incentive motivation effectively to real-world scenarios.

== Strength of incentives ==
Not all incentives are created equal. Some incentives have the power to motivate significant behaviour change, while others lead to no change at all. Further, one incentive could motivate one person while the same incentive could have no influence on another person. Given the power of an incentive, it is important to understand the factors that influence an incentives strength and effectiveness.

=== Delivery time ===
In studies looking at the impact of external rewards on intrinsic motivation, the delivery time of the rewards is significant. Immediate, as opposed to delayed delivery of rewards, has a strong positive impact on intrinsic motivation (Woolley &amp; Fishbach, 2018). This may be due to [[w:Temporal_discounting|temporal discounting]], meaning we value immediate rewards more highly than later ones (Liu et al., 2022). Liu et al. (2022) specifically improved upon prior research by removing a possible misattribution effect of extrinsic motivation{{explain}}. This is important because, unlike extrinsic motivation, which is often short in duration and linked to more passive behaviours, intrinsic motivation is connected to higher performance and longer-lasting behaviour change (Liu et al., 2022). 

=== Reward salience and choice ===
Hendijani &amp; Steel (2020) studied the interaction between reward salience and choice on motivation and performance and noted interesting connections. In many contexts{{f}}, the provision of choice has been seen to improve motivation and performance. Similarly, external rewards have been utilised across a range of domains to enhance performance. In the study, Hendijani &amp; Steel examined the interaction between these two variables. It was found that salient rewards in a no-choice condition had a positive effect on motivation, as did non-salient rewards in a choice condition. Meanwhile, salient rewards in a choice condition reduced motivation and performance. It is theorised these results are due to personal loci of control. In the salient reward and no-choice condition, a consistent external locus of control is established, promoting extrinsic motivation. In the non-salient, choice condition, an internal locus of control emerges. However, the salient reward, choice condition generates a confused locus of control, diminishing motivation and performance.  

=== '''Fostering competence and autonomy''' ===
Rewards that foster a sense of competence and autonomy in an individual are likely to result in stronger incentives{{f}}. This is based on meeting two of the basic psychological needs outlined in self-determination theory{{f}}. For example, a teacher providing meaningful feedback outlining what was done well and what could be improved on an assignment could be viewed as informative and thus foster a sense of competence (Hagger et al., 2015). However, external contingencies that are perceived as controlling will diminish feelings of autonomy and decrease motivation (Hagger et al., 2015).

== Incentive theory and intrinsic motivation ==
Motivation can broadly be divided into two distinct types: intrinsic and extrinsic motivation. Intrinsic motivation is characterised by behaviour that stems from personal interests and values (e.g., a personal commitment to excel), wheras extrinsic motivation relates to behaviours driven by reasons external to one’s self (e.g., external pressure to participate) (Deci &amp; Ryan, 2000).

Incentive theory primarily focuses on extrinsic motivation, considering how external incentives influence behaviour. However, intrinsic motivation is linked to better outcomes in the performance and well-being of individuals, compared with externally controlled behaviour (Deci &amp; Ryan, 1991; Deci &amp; Ryan, 1997; Deci &amp; Ryan, 1995). Therefore, understanding ways in which external incentives can promote intrinsic motivation rather than undermine it is crucial. The following sections will unpack intrinsic and extrinsic motivation interactions through the lens of self-determination theory (SDT).

=== Self-determination theory ===
Self-determination theory (SDT) centres around the objective of achieving self-motivation and personality integration. SDT identifies three primary needs that facilitate optimal functioning: competence, relatedness, and autonomy (Deci &amp; Ryan, 2000). Meeting these needs is considered essential for constructive social development and personal well-being. Understanding SDT is relevant in many domains, including: for parents and educators concerned with the cognitive and personality development of children, for promoting learning and positive behaviour, for managers wanting to promote motivation and commitment in the workplace, and for psychotherapists and health professionals wanting to support maintained change in patients (Deci &amp; Ryan, 2000). 

=== Intrinsic motivation ===
SDT suggests that conditions which support autonomy and competence promote intrinsic motivation, while conditions that control behaviour and reduce perceived effectance undermine intrinsic motivation (Deci &amp; Ryan, 2000).

External social-contextual events, such as feedback, communication, or rewards, that lead to feelings of competence enhance intrinsic motivation. For example, intrinsic motivation was found to increase as a result of positive performance feedback and decrease as a result of negative feedback (Deci, 1975). This was due to its impact on perceived competence (Vallerand and Reid, 1984). However, feelings of competence only lead to enhanced intrinsic motivation when they are accompanied by a sense of autonomy, that is, when behaviour is perceived as being self-determined (Deci &amp; Ryan, 2000). 

Autonomy supportive environments lead to increased intrinsic motivation, creativity, curiosity, desire to learn, and a desire to be challenged (Deci &amp; Ryan, 2000). Understanding this is crucial in motivating others to commitment, effort, and high-quality performance (Deci &amp; Ryan, 2000). In contrast, methods that employ excessive control, nonoptimal challenges, and lack connectedness result in diminished intrinsic motivation and can lead to negative impacts, including a lack of intuitive taking and responsibility as well as distress and psychopathology (Deci &amp; Ryan, 2000).

Despite the power of intrinsic motivation, people will only be intrinsically motivated in tasks that hold intrinsic interest for them (e.g., novelty, challenge, aesthetic value); extrinsic motivation is essential for tasks that hold no intrinsic interest (Deci &amp; Ryan, 2000).

=== Cognitive evaluation theory ===
Cognitive Evaluation Theory (CET) is a subtheory within SDT that studies the factors that undermine or promote intrinsic motivation (Deci &amp; Ryan, 2000). 

Research looking at the impact of extrinsic rewards on intrinsic motivation has resulted in much debate. Deci, Koestner &amp; Ryan's 1999 meta-analysis found that tangible rewards contingent on task performance undermined intrinsic motivation, which was interpreted as resulting from a diminished sense of autonomy. Tang &amp; Hall (1996) also suggest that task-contingent rewards lead to reduced intrinsic motivation through the overjustification effect. However, other meta-analyses, particularly from Cameron and colleagues, dispute the idea that there is a negative impact of extrinsic rewards on intrinsic motivation (Cameron &amp; Pierce, 1994). A recent meta-analysis suggests extrinsic rewards can negatively impact intrinsic motivation, particularly when motivation is measured behaviourally after contingent rewards are no longer given (Lehtivuori, 2023).

While different viewpoints on the issue remain, research suggests the relationship between extrinsic rewards and motivation is complex and that the type of reward, how the reward is earned, and under what conditions and context motivation is examined, impacts results (Lehtivuori, 2023). 

== Incentive interventions ==
A practical application of the incentive theory of motivation for addressing social issues is incentive interventions. Incentive interventions are an effective way of promoting socially valuable behaviours and leading to positive behaviour change in a range of settings (Silverman et al., 2016). They can be used both to create desirable/adaptive habits and to break undesirable/maladaptive habits (Gneezy et al., 2020). Incentives can reduce barriers involved in behaviour change, including counteracting [[w:_Present_bias|present bias]] (Gneezy et al., 2020). Within incentive interventions, tangible and desirable consequences (e.g., monetary rewards) are given to individuals upon performing an observable and verifiable behaviour (Silverman et al., 2016).

Incentive interventions are built around the operant principle of reinforcement, that is, that consequences that affect behaviour are reinforcers. Reinforcers are used to increase the behaviours they are contingent on (reinforcement) (Silverman et al., 2016). The following table outlines some of the many applications of incentive interventions.
{| class=&quot;wikitable&quot;
|Increasing physical activity in sedentary adults
|A study using a deposit contract design found monetary incentive interventions successfully increased physical activity in sedentary and underactive adults (Washington et al., 2016).
|-
|Smoking cessation in smokers with ADHD
|Individuals with attention-deficit/hyperactivity disorder (ADHD) are twice as likely to be smokers as the general population. As such, an incentive intervention study was designed to reduce smoking with monetary vouchers. This intervention, facilitated via an app, was found to be effective (Dan et al., 2016).
|-
|Promoting health behaviour change
|A meta-analysis where participant-level data from seven studies were pooled, found financial incentives effective in promoting health behaviour change (Haff, 2015).
|-
|Remotely implemented interventions
|A systematic review of financial incentive interventions targeting health behaviors found remote implementation of interventions using technology to be effective. In these studies, monitoring of behavior and/or delivery of incentives was done remotely (Kurti, 2016). 
|-
|Work productivity
|Incentive interventions have been found effective in studies looking at monetary incentives for work performance. Ratio schedules for reward delivery were found to be the most significant determinant of performance (Bucklin, 2001).
|}

==Conclusion==
Incentive theory of motivation is the concept that behaviours are driven by external factors or incentives. Generally, positive incentives drive approach behaviour, while negative incentives lead to avoidance behaviour. Incentives can vary from tangible to intangible and can vary in strength due to many factors related to the specific context and individual. Delivery time, reward salience, choice, and feelings of autonomy and competence are particularly significant in determining the strength of incentives.

The exact manner in which extrinsic rewards interact with intrinsic motivation remains a matter of debate, with some theorists arguing for an undermining effect while others argue that no negative effect exists.

Incentive theory has many practical applications, particularly in the fields of health, education, and management. Understanding how motivation is impacted by external incentives enables the promotion of desirable behaviours. A key application of this theory is incentive interventions for behaviour change, which can be utilised across health, workplace, and educational settings.

==See also==
* [[Motivation and emotion/Book/2022/Approach motivation|Approach motivation]] (Book chapter, 2022)
* [[Motivation and emotion/Book/2013/Avoidance motivation|Avoidance motivation]] (Book chapter, 2013)
* [[Motivation and emotion/Book/2013/Extrinsic motivation|Extrinsic motivation]] (Book chapter, 2013)
* [[Motivation and emotion/Book/2022/Hidden costs of reward|Hidden costs of reward]] (Book chapter, 2022)
* [[w:Incentives|Incentives]] (Wikipedia)
* [[Motivation and emotion/Book/2019/Rewards, punishments, and social cooperation|Rewards, punishments, and social cooperation]] (Book chapter, 2019)

==References==
{{Hanging indent|1=

Bucklin, B. R., &amp; Dickinson, A. M. (2001). Individual monetary incentives: A review of different types of arrangements between performance and pay. ''Journal of Organizational Behavior Management, 21''(3), 45–137. https://doi.org/10.1300/J075v21n03_03

Cameron, J., &amp; Pierce, W. D. (1994). Reinforcement, Reward, and Intrinsic Motivation: A Meta-Analysis. ''Review of Educational Research, 64''(3), 363–423. https://doi.org/10.3102/00346543064003363

Dan, M., Grabinski, M. J., &amp; Raiff, B. R. (2016). Smartphone-based contingency management for smoking cessation with smokers diagnosed with attention-deficit/hyperactivity disorder. ''Translational Issues in Psychological Science, 2''(2), 116–127. https://doi.org/10.1037/tps0000062

Deci, E. L. (1975). ''Intrinsic motivation''. Plenum Press. https://doi.org/10.1007/978-1-4613-4446-9 

Deci, E. L., Koestner, R., &amp; Ryan, R. M. (1999). A Meta-Analytic Review of Experiments Examining the Effects of Extrinsic Rewards on Intrinsic Motivation. ''Psychological Bulletin, 125''(6), 627–668. https://doi.org/10.1037/0033-2909.125.6.627

Elliot, A. J. (2006). The Hierarchical Model of Approach-Avoidance Motivation. ''Motivation and Emotion, 30''(2), 111–116. https://doi.org/10.1007/s11031-006-9028-7

Elliot, A. J., Eder, A. B., &amp; Harmon-Jones, E. (2013). Approach–Avoidance Motivation and Emotion: Convergence and Divergence. ''Emotion Review, 5''(3), 308–311. https://doi.org/10.1177/1754073913477517

Gneezy, U., Kajackaite, A., Meier, S., &amp; Hagger, M. S. (2020). Incentive-based interventions. In ''The Handbook of Behavior Change'' (pp. 523–536). Cambridge University Press. https://doi.org/10.1017/9781108677318.036

Gneezy, U., Meier, S., &amp; Rey-Biel, P. (2011). ''When and why incentives (don’t) work to modify behavior''. The Journal of Economic Perspectives, 25(4), 191–210. https://doi.org/10.1257/jep.25.4.191

Haff, N., Patel, M. S., Lim, R., Zhu, J., Troxel, A. B., Asch, D. A., &amp; Volpp, K. G. (2015). The role of behavioral economic incentive design and demographic characteristics in financial incentive-based approaches to changing health behaviors: A meta-analysis. ''American Journal of Health Promotion, 29''(5), 314–323. https://doi.org/10.4278/ajhp.140714-LIT-333

Hagger, M., Cameron, L. D., Hamilton, K., Hankonen, N., &amp; Lintunen, T. (Eds.). (2020). The handbook of behavior change. Cambridge University Press. https://doi.org/10.1017/9781108677318

Hagger, M. S., Koch, S., &amp; Chatzisarantis, N. L. D. (2015). The effect of causality orientations and positive competence-enhancing feedback on intrinsic motivation: A test of additive and interactive effects. ''Personality and Individual Differences, 72'', 107–111. https://doi.org/10.1016/j.paid.2014.08.012

Hendijani, R., &amp; Steel, P. (2020). Motivational congruence effect: How reward salience and choice influence motivation and performance. ''Cogent Business &amp; Management, 7''(1). https://doi.org/10.1080/23311975.2020.1791444

Kurti, A. N., Davis, D., Redner, R., Jarvis, B., Zvorsky, I., Keith, D. R., Bolivar, H., White, T. J., Rippberger, P., Markeish, C., Atwood, G., &amp; Higgins, S. T. (2016). A review of the literature on remote monitoring technology in incentive-based interventions for health-related behavior change. ''Translational Issues in Psychological Science, 2''(2), 128–152. https://doi.org/10.1037/tps0000067

Lehtivuori, A. (2023). When do extrinsic rewards undermine intrinsic motivation? A meta-analysis [Published doctoral thesis, University of Turku]. https://urn.fi/URN:ISBN:978-951-29-9132-7

Liu, Y., Yang, Y., Bai, X., Chen, Y., &amp; Mo, L. (2022). Do immediate external rewards really enhance intrinsic motivation? ''Frontiers in Psychology, 13'', 853879. https://doi.org/10.3389/fpsyg.2022.853879

Ryan, R. M., &amp; Deci, E. L. (2000). Self-Determination Theory and the Facilitation of Intrinsic Motivation, Social Development, and Well-Being. ''The American Psychologist, 55''(1), 68–78. https://doi.org/10.1037/0003-066X.55.1.68

Silverman, K., Jarvis, B. P., Jessel, J., &amp; Lopez, A. A. (2016). Incentives and motivation.''Translational Issues in Psychological Science, 2''(2), 97–100. https://doi.org/10.1037/tps0000073

Tang, S.-H., &amp; Hall, V. C. (1995). The overjustification effect: A meta-analysis. ''Applied Cognitive Psychology, 9''(5), 365–404. https://doi.org/10.1002/acp.2350090502 

Vallerand, R. J., &amp; Reid, G. (1984). On the Causal Effects of Perceived Competence on Intrinsic Motivation: A Test of Cognitive Evaluation Theory. ''Journal of Sport Psychology, 6''(1), 94–102. https://doi.org/10.1123/jsp.6.1.94

Washington, D. W., McMullen, D., &amp; Devoto, A. (2016). A matched deposit contract intervention to increase physical activity in underactive and sedentary adults. ''Translational Issues in Psychological Science, 2''(2), 101–115. https://doi.org/10.1037/tps0000069 

Woolley, K., &amp; Fishbach, A. (2018). It’s About Time: Earlier Rewards Increase Intrinsic Motivation. ''Journal of Personality and Social Psychology, 114''(6), 877–890. https://doi.org/10.1037/pspa0000116

}}

==External links==
* [https://selfdeterminedlife.substack.com/p/external-rewards-and-motivation The impact of external rewards on motivation] (The Self Determined Life)
* [https://www.thebehavioralscientist.com/glossary/incentive-theory? What is incentive theory in behavioral economics?] (The Behavioral Scientist) 
* [https://www.workhuman.com/blog/incentive-theory-of-motivation/ What is the incentive theory of motivation?] (workhuman.com)

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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] – What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] – How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|User Name}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] – When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|User Name}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] – How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] – What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] – What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] – How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] – How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] – How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] – How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User Name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] – How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] – What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] – How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? u3269915
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] – When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|User Name}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] – How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] – What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] – What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] – How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] – How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] – How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] – How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User Name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] – How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] – What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] – How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|u3269915}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] – When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|User Name}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] – How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] – What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] – What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] – How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] – How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] – How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] – How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User Name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] – How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] – What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] – How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|User name}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] – When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|User Name}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] – How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] – What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] – What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] – How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] – How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] – How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] – How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|u3269915}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] – How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] – What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] – How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|User name}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] – When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|u3269915}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] – How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] – What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] – What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] – How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] – How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] – How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] – How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] – How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] - What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] - How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|User name}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] - When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|u3269915}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] - How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] - What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] - What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] - How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] - How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] - How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] - How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] - How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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==Motivation==
# [[/Adolescent risk-taking and reward-system development/]] - How does reward circuit maturation influence adolescent sensation-seeking and impulsive behaviours? {{ME-By|U3280843}}
# [[/Akrasia/]] - Why do people act against their better judgement? {{ME-By|U3269672}}
# [[/Artificial intelligence and academic motivation/]] - How does artificial intelligence influence students’ motivation to learn, engage, and achieve? {{ME-By|U3280097}}
# [[/Attachment styles and relatedness motivation/]] - How do attachment styles affect the need for relatedness? {{ME-By|HawaSA}}
# [[/Athletic identity loss and returning to sport after injury/]] - How does injury related disruption to athletic identity affect motivation to return to sport? {{ME-By|Tammysaurus}}
# [[/Automaticity and goal pursuit/]] - How do habits and environmental cues drive unconscious goal pursuit? {{ME-By|Revial76}}
# [[/Basal ganglia and motivation/]] - What is the role of the basal ganglia in motivated behaviour? {{ME-By|U3233213}}
# [[/Building therapeutic alliance/]] - What psychological factors contribute to the development of a strong therapeutic alliance? {{ME-By|Amirrorslens}}
# [[/Charismatic leadership and follower motivation/]] - How does charismatic leadership inspire follower motivation? {{ME-By|U3275984}}
# [[/Citizen science motivation/]] - What motivates participation in citizen science projects? {{ME-By|User Name}}
# [[/Competence motivation in self-determination theory/]] - How does the need for competence function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Consumer emotion measurement/]] - How can consumer emotion be measured? {{ME-By|Sienna33309}}
# [[/Creative inspiration and effort/]] - How do inspiration and effort interact during the creative process? {{ME-By|User Name}}
# [[/Deliberative vs implemental mindset/]] - What are the motivational and cognitive differences between deliberative and implemental mindsets? {{ME-By|User Name}}
# [[/Developing a growth mindset/]] - How can a growth mindset be cultivated and sustained? {{ME-By|LMM26}}
# [[/Dopamine and reward prediction/]] - How does dopamine affect the anticipation of rewards and subsequent emotional responses? {{ME-By|U3228742}}
# [[/Effort regulation and cost-benefit decision-making/]] - How is effort dynamically adjusted based on changing cost-benefit analysis during goal pursuit? {{ME-By|User Name}}
# [[/End-of-history illusion and motivation/]] - How does the EOHI influence motivation and what strategies mitigate its impact? {{ME-By|User Name}}
# [[/ERG theory and motivation/]] - What is Alderfer's ERG theory and how does it explain human motivation? {{ME-By|User Name}}
# [[/Epistemic motivation and the need for cognitive closure/]] - How does epistematic motivation and the need for cognitive closure influence our lives? {{ME-By|U3221734}}
# [[/Exercise gamification motivation/]] - How can gamification affect exercise motivation and behaviour? {{ME-By|U3260591}}
# [[/Expectancy-value theory of educational motivation/|Expectancy-value theory of educational motivation]] - What is expectancy-value theory and how can it be applied to understand and enhance educational motivation? {{ME-By|StudentUC2026}}
# [[/Extended process model of emotion regulation/]] - What is the extended process model and how does it explain how people regulate emotions? {{ME-By|U3259641}}
# [[/Feedback literacy/]] - What is feedback literacy, why does it matter, and how can it be developed? {{ME-By|User Name}}
# [[/Fogg behaviour model/]] - How can the FBM be applied to understanding and changing behaviour? {{ME-By|User Name}}
# [[/Functional motives theory and environmental activism/]] - How does functional motives theory explain the motivations behind environmental activism? {{ME-By|User Name}}
# [[/Future orientation and criminal behaviour/]] - How does future orientation influence the risk of criminal activity? {{ME-By|U3275899}}
# [[/Game of dice task and decision-making/]] - What does the game of dice task reveal about risk-based decision-making? {{ME-By|U3216724}}
# [[/Gender and achievement motivation/]] - How does gender shape where, how, and under what conditions achievement motivation is expressed? {{ME-By|U3242837}}
# [[/Generativity/]] - What is generativity and how does it impact behaviour and life outcomes? {{ME-By|Monuc9}}
# [[/Getting started/]] - Why is task initiation difficult and how to overcome it? {{ME-By|U3286643}}
# [[/Goal striving dynamics/]] - What is the role of pushing and coasting in goal striving? {{ME-By|User Name}}
# [[/Hygiene motivation/]] - What motivates maintenance of personal hygiene? {{ME-By|U3275940}}
# [[/Hypothalamus and homeostatic motivation/]] - How do hypothalamic circuits regulate hunger, thirst, and other survival-related motivations? {{ME-By|User Name}}
# [[/Impulsivity versus sensation-seeking/]] - What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour? {{ME-By|Reillyu3280706}}
# [[/Indigenous Australian role models and motivation/]] - How do role models influence aspirations, identity development, and motivation among Indigenous Australians? {{ME-By|Jshottt}}
# [[/Interrogation and compliance/]] - What psychological processes influence resistance and compliance during interrogation? {{ME-By|U3283643}}
# [[/Investment model of commitment and social motivation/]] - How does the investment model of commitment relate to social motivation? {{ME-By|User Name}}
# [[/Lifelong learning motivation/]] - What motivates lifelong learning? {{ME-By|U3280251}}
# [[/Machiavellian motivation/]] - What is the motivational role of Machiavellianism? {{ME-By|Mim0502}}
# [[/Mesolimbic pathway and addiction motivation/]] - What role does the ventral tegmental area to nucleus accumbens pathway play in addictive behaviours? {{ME-By|U3280499}}
# [[/Metacognitive monitoring and productivity/]] - How does metacognitive monitoring influence goal attainment and productivity? {{ME-By|User Name}}
# [[/Mindsets and stigma/]] - What role do growth versus fixed mindsets play in prejudice and stigma? {{ME-By|U3275909}}
# [[/Motivations for using sex work services/]] - What motivates use of sex work services? {{ME-By|U3261236}}
# [[/Motivating virtual teams/]] - How can motivation in virtual teams be optimised? {{ME-By|User Name}}
# [[/Motivational effects of incarceration on Indigenous Australians/]] - What are the motivational effects of incarcertation on Indigenous Australians?{{ME-By|U3183521}}
# [[/Need to love and be loved/]] - How does the desire to give and receive love influence motivation? {{ME-By|U3280743}}
# [[/Non-residential energy conservation motivation/]] - How can non-residential building energy conservation be motivated and behaviour changed? {{ME-By|User Name}}
# [[/Occupational violence, emotion, and coping/]] - What are the emotional impacts of occupational violence and how can employees cope? 
# [[/Overconfidence in decision-making/]] - How does overconfidence bias affect judgement and decision-making? {{ME-By|User Name}}
# [[/Parental educational aspirations and student achievement/]] - How do parental aspirations shape children’s academic motivation and performance? {{ME-By|User Name}}
# [[/Parental motivations for homeschooling/]] - What motivates parents to homeschool their children? {{ME-By|User Name}}
# [[/Perfectionism and procrastination/]] - What is the role of perfectionism in procrastination and what can be done about it? {{ME-By|U3222012}}
# [[/Pleasure anticipation and dopamine/]] - How does the brain's reward system generate motivation through expected rather than experienced pleasure? u3284308
# [[/Possible selves and goal pursuit/]] - How do possible selves influence motivation and goal-directed behaviour? {{ME-By|Jack4234}}
# [[/Power motivation in leadership/]] - How does power motivation influence leadership styles and effectiveness? {{ME-By|PsychstudentUniversity!}}
# [[/Prevention versus promotion mindset/]] - What are the motivational differences between prevention and promotion mindsets? {{ME-By|Bronte.H}}
# [[/Protection motivation theory and environmental behaviour/]] - How does protection motivation theory explain engagement in pro-environmental behaviour? {{ME-By|User Name}}
# [[/Relatedness motivation in self-determination theory/]] - How does the need for relatedness function within self-determination theory to shape motivation and behaviour? {{ME-By|User Name}}
# [[/Retirement motivation/]] - What motivates retirement from work? U3261207
# [[/Role-play and communication skills training/]] - How does role-play facilitate the development of effective communication skills? {{ME-By|User Name}}
# [[/Scarcity versus abundance mindset/]] - How do scarcity and abundance mindsets develop and what are the motivational consequences? {{ME-By|User Name}}
# [[/Self-concept and motivation/]] - How does self-concept relate to motivation? {{ME-By|U3253363}}
# [[/Self-determination theory and dementia care/]] - How can autonomy, competence, and relatedness be supported in people living with dementia? {{ME-By|Ella Kay244}}
# [[/Self-determination theory and military veteran reintegration/]] - How do autonomy, competence, and relatedness shape psychological adjustment after military service? {{ME-By|U3246286}}
# [[/Self-determination theory and physical activity/]] - How do autonomy, competence, and relatedness predict engagement in physical activity and exercise adherence? {{ME-By|User Name}}
# [[/Self-determination theory and social media use/]] - How do basic psychological needs explain patterns of social media engagement? {{ME-By|GraceInMind}}
# [[/Sensation-seeking and dopamine/]] - What is the neurobiological relationship between sensation-seeking and dopamine? {{ME-By|SunnySideUp1300}}
# [[/Sex differences in sexual arousal patterns/]] - How do patterns of sexual arousal differ between males and females? {{ME-By|U3236349}}
# [[/Sex work motivation/]] - What motivates sex work and how does this impact worker experiences? {{ME-By|U3261376}}
# [[/Social dominance and power motivation/]] - What is the relationship between social dominance and power motivation? {{ME-By|U3284302}}
# [[/Subcortical structures and motivational drive/]] - How do subcortical brain regions generate basic motivational impulses and energy? {{ME-By|U3281503}}
# [[/Sun exposure and protection motivation/]] - What motivates sun exposure and protection behaviours? {{ME-By|U3188047}}
# [[/Surrender motivation/]] - What is the motivational state of surrender and what are its impacts? {{ME-By|User Name}}
# [[/The quiet ego and motivation/]] - How does a quiet ego balance self-interest with concern for others? {{ME-By|User Name}}
# [[/Thermoregulation and motivation/]] - How does the drive to maintain body temperature influence behaviour? {{ME-By|User Name}}
# [[/Tonic-phasic model of dopamine regulation/]] - What is the tonic/phasic model of dopamine regulation and how does affect behaviour? {{ME-By|User Mame}}
# [[/Types of impulsivity/]] - What are the different types of impulsivity and how do they affect motivation? {{ME-By|User Name}}
# [[/Value congruence and motivation/]] - How does alignment between personal and situational values influence motivation? {{ME-By|U3275775}}
# [[/Volunteer counsellor motivation/]] - What motivates people to become and remain volunteer counsellors? {{ME-By|J.M.A Watson}}
# [[/Windfall gain effect/]] - How doe unexpected wealth influence behaviour and decision-making? {{ME-By|User Name}}
# [[/Youth environmental activism motivation/]] - What motivates young people to engage in environmental activism? {{ME-By|SJPiper}}

==Emotion==
# [[/Active versus passive social media use/]] - How do different patterns of social media engagement influence emotions and psychological wellbeing? {{ME-By|U3282656}}
# [[/Adaptive versus maladaptive self-reflection/]] - When does self-reflection promote wellbeing and when does it contribute to psychological distress? {{ME-By|U3211150}}
# [[/Affect heuristic/]] - What is the affect heuristic and how does it influence decision making? {{ME-By|User Name}}
# [[/Alcohol use for emotion regulation/]] - Why and how do people use alcohol to regulate their emotions? {{ME-By|U3284266}}
# [[/Apocalyptic fear/]] - What is apocalyptic fear, what are its consequences, and how can it be dealt with? {{ME-By|LazPulch}}
# [[/Awe and the diminished self/]] - How does awe diminish the self and how can this be applied? {{ME-By|User Name}}
# [[/Awe and nature/]] - What is the relationship between awe and nature? {{ME-By|U3269915}}
# [[/Biofeedback and emotion regulation/]] - How does biofeedback help individuals monitor and regulate their emotional states? {{ME-By|User Name}}
# [[/Body neutrality and emotional well-being/]] - How does a body-neutral perspective affect emotional well-being? {{ME-By|AmyUniversity}}
# [[/Breathing exercises and relaxation/]] - How can breathing exercises promote relaxation? {{ME-By|E3297976}}
# [[/Cancer screening and emotion/]] - How do emotions such as fear, anxiety, and relief influence cancer screening uptake? {{ME-By|User Name}}
# [[/Cognitive hardiness and stress resilience/]] - How does cognitive hardiness promote resilience to stress and adversity? {{ME-By|u3068253}}
# [[/Cognitive versus affective empathy/]] - What are the differences between cognitive and affective empathy and how do they contribute to prosociality? {{ME-By|User Name}}
# [[/Dark empathy/]] - What is dark empathy, what are its consequences, and what can be done to address it? {{ME-By|U3228742}}
# [[/Dreams and emotional problem-solving/]] - How do REM dreams contribute to emotional processing and adaptive coping? {{ME-By|U3270398}}
# [[/Durability bias in affective forecasting/]] - What role does durability bias play in affective forecasting? {{ME-By|User Name}}
# [[/Eco-emotions/]] - What are eco-emotions, how do they influence behaviour, and how can they be managed? {{ME-By|User Name}}
# [[/Emotional effects of incarceration on Indigenous Australians/]] - What are the emotional effects of incarcertation on Indigenous Australians? {{ME-By|Lilfish215}}
# [[/Emotional expressivity/]] - What is emotional expressivity, why does it matter, and how can it be developed? {{ME-By|U3283812}}
# [[/Emotional flooding in relationships/]] - Why does emotional flooding occur, how does it affect relationships, and what can be done about it? {{ME-By|Tofu05}}
# [[/Emotional intelligence and emotional wellbeing/]] - How does emotional intelligence affect emotional wellbeing? {{ME-By|u3239236}}
# [[/Emotional role-playing/]] - How does role-playing influence emotional experience, expression, and regulation? {{ME-By|User Name}}
# [[/Emotion detection using artificial intelligence/]] - How can emotion be detected using artificial intelligence? {{ME-By|User Name}}
# [[/Emotion dysregulation/]] - What is emotion dysregulation, what are its consequences, and how can it be managed? {{ME-By|U3285438}}
# [[/Emotion regulation ability and strategy/]] - How do ability and strategy differ in shaping emotion regulation? {{ME-By|User Name}}
# [[/Emotion regulation through exercise/]] - How do people use exercise to regulate their emotional states? {{ME-By|KB3250298}}
# [[/Emotions in activism/]] - How do emotions motivate, shape, and sustain activism? {{ME-By|User Name}}
# [[/Empathy and jury decision-making/]] - How does empathy toward defendants and victims influence jurors' reasoning and verdict decisions? {{ME-By|U3254168}}
# [[/Empathy fatigue and emotional exhaustion/]] - How does sustained empathic engagement contribute to emotional exhaustion? {{ME-By|U3143751}}
# [[/Enjoyment and learning/]] - How does enjoyment influence learning? {{ME-By|User Name}}
# [[/Envy in the workplace/]] - What role does envy play in workplace behaviour? {{ME-By|Flickstar888}}
# [[/Environmental volunteering and wellbeing/]] - How does participation in environmental volunteering influence volunteers' subjective wellbeing? {{ME-By|User Name}}
# [[/Excitement as an emotion/]] - What is the emotional excitement and how does it influence behaviour and wellbeing? {{ME-By|U3292769}}
# [[/Fear extinction/]] - What psychological and neural processes underlie the extinction of fear responses? {{ME-By|ChillPsychGuy0607}}
# [[/Focalism in affective forecasting/]] - What is focalism and how does it bias predictions about future emotional experiences? {{ME-By|User Name}}
# [[/Gloatrage/]] - What is gloatrage, what causes it, and what are its consequences? {{ME-By|User Name}}
# [[/Growth mindset and psychological wellbeing/]] - How does a growth mindset influence psychological wellbeing? {{ME-By|Avj.06}}
# [[/Human trust of robots/]] - What psychological factors shape human trust of robots? {{ME-By|User Name}}
# [[/Identify exploration through role-playing games/]] - How do role-playing games facilitate identity exploration and self-discovery? {{ME-By|User Name}}
# [[/Immersive therapy for PTSD treatment/]] - How does it work and what are the effects? {{ME-By|StretchBeyond}}
# [[/Indigenous Australian funeral practices and grieving/]] - How do Indigenous Australian funeral practices assist with grieving? {{ME-By|User Name}}
# [[/Interpersonal psychotherapy and emotion/]] - How does interpersonal psychotherapy improve emotional wellbeing through changes in relationships? {{ME-By|User Name}}
# [[/Introjection and guilt-based motivation/]] - What role do shame and guilt play in introjected forms of behavioural regulation? {{ME-By|U3330981}}
# [[/Irritability/]] - What is irritability, what causes it, what are its consequences, and how can it be managed? {{ME-By|U3275992}}
# [[/Love styles and relationships/]] - How do love styles influence relationship satisfaction and stability? {{ME-By|U3246588}}
# [[/Melatonin and seasonal mood/]] - What role does melatonin play in seasonal mood changes? {{ME-By|U3224236{{ME-By|
# [[/Mental health first aid and helping behaviour/]] - What motivates people to recognise, approach, and support someone with a mental health problem? {{ME-By|Katelyn Rod}}
# [[/Mindfulness and nature connectedness/]] - How does mindfulness influence nature connectedness? {{ME-By|User Name}}
# [[/Mood and cognitive performance/]] - How do different mood states impact attention, memory, and problem solving? {{ME-By|U3283879}}
# [[/Moodiness/]] - What is moodiness, why does it occur, and how can it be managed? {{ME-By|User Name}}
# [[/Moral disgust and jury decision-making/]] - How does moral disgust influence jurors' judgments of guilt, blame, and punishment? {{ME-By|Yellowvines}}
# [[/Neurobiology of love/]] - What neural systems and biochemical processes underlie love? {{ME-By|User Name}}
# [[/Neurofeedback and emotional regulation/]] - How can neurofeedback influence enhance emotional regulation? {{ME-By|User Name}}
# [[/Nitrous oxide and emotion/]] - How does nitrous oxide influence emotional experience and mood? {{ME-By|User Name}}
# [[/Noise and emotion/]] - How do different types of noise affect emotional experience and wellbeing? {{ME-By|User Name}}
# [[/Opponent process theory and emotion/]] - What role do opposing affective states play in emotional experience? {{ME-By|User Name}}
# [[/Outdoor play and children's emotional well-being/]] - How does outdoor play influence children's emotional well-being? {{ME-By|Mymunu}}
# [[/Perfectionism and athlete mental health/]] - How does perfectionism affect athlete mental health? {{ME-By|Leilab23}}
# [[/Phubbing and emotion/]] - What are the emotional causes and consequences of phubbing? {{ME-By|U3243961}}
# [[/Positive emotion dysregulation/]] - What is positive emotion dysregulation and how does it affect psychological functioning? {{ME-By|P U3270518}}
# [[/Psychological preparation for natural disasters/]] - How can people psychologically prepare for natural disasters? {{ME-By|User Name}}
# [[/Psychological safety and feedback uptake/]] - How does psychological safety influence openness to feedback? {{ME-By|User Name}}
# [[/Reflected glory/]] - What is reflected glory and what are its pros and cons? {{ME-By|User Name}}
# [[/Remote work and well-being/]] - How does remote work influence employee well-being? {{ME-By|User Name}}
# [[/Responsiveness and interpersonal trust/]] - How does responsiveness foster trust in relationships? {{ME-By|U3282586}}
# [[/Romantic entertainment and love beliefs/]] - How do romantic entertainment influence beliefs and expectations about love and romantic relationships? {{ME-By|U3247927}}
# [[/Romantic jealousy/]] - Why does romantic jealousy occur, what are its impacts, and how can it be managed?{{ME-By|U3279062}}
# [[/Secondary trauma in healthcare workers/]] - What are the emotional consequences of secondary trauma in healthcare settings? {{ME-By|U3257744}}
# [[/Seasonal affective disorder/]] - What is SAD, why does it occur, and how can it be managed? {{ME-By|Greg Philips}}
# [[/Self-blame and emotion/]] - How does self-blame influence emotional responses to negative events? {{ME-By|User Name}}
# [[/Self-disclosure and emotional intimacy/]] - How does self-disclosure foster emotional closeness in relationships? {{ME-By|U3283302}}
# [[/Self-stigma and emotion/]] - How does self-stigma impact emotional well-being? {{ME-By|User Name}}
# [[/Social connection and emotion regulation/]] - How do social relationships help people's emotions? {{ME-By|U3284040}}
# [[/Socioemotional selectivity theory and wellbeing in ageing/]] - How do social and emotional experiences affect wellbeing as people age? {{ME-By|User Name}}
# [[/Spirituality and resilience/]] - What is the relationship between spirituality and psychological resilience? {{ME-By|User Name}}
# [[/Subjective wellbeing homeostasis theory/]] - How does homeostatic theory explain the stability and regulation of subjective wellbeing? {{ME-By|User Name}}
# [[/Technology-based pain management/]] - How can technology-based tools alter pain perception and pain management? {{ME-By|ChelsSchofield}}
# [[/Theory of positive disintegration and personal growth/]] - What is the TPD and how can it be applied to personal growth? {{ME-By|User Name}}
# [[/Time perception in mood disorders/]] - How do anxiety and depression alter the subjective experience of time? {{ME-By|User Name}}
# [[/Trust in artificial intelligence/]] - What psychological factors shape human trust of artificial intelligence systems? {{ME-By|User Name}}
# [[/Trust rebuilding after trauma/]] - How can trauma survivors develop trust in similar situations again? {{ME-By|User Name}}
# [[/Volunteer wellbeing/]] - How does volunteering affect volunteer's subjective wellbeing? {{ME-By|U3216851}}
# [[/Wayfinding and affective experience/]] - How do emotions influence navigation and spatial behaviour? {{ME-By|User Name}}

==Motivation and emotion==
# [[/Boredom and interest/]] - How do boredom and interest shape emotional and motivational states? {{ME-By|U3239431}}
# [[/Falling in love/]] - What motivational and emotional processes underlie romantic attraction and falling in love? {{ME-By|Mort006}}
# [[/Life purpose and well-being/]] - How does a sense of purpose contribute to well-being and how can it be cultivated? {{ME-By|U3286962}}
# [[/Moral emotions and ethical behaviour/]] - How do moral emotions motivate ethical and prosocial action? {{ME-By|U3263365}}
# [[/Oxytocin as a neuromodulator/]] - What are the motivational and emotional effects of oxytocin as a neuromodulator? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How does discrepancy between expected and actual rewards influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Reinforcement sensitivity theory/]] - How does reinforcement sensitivity theory explain individual differences in motivation and emotion? {{ME-By|User Name}}
# [[/Reward prediction error/]] - How do reward prediction errors influence learning, emotion, and motivation? {{ME-By|User Name}}
# [[/Social and emotional well-being in Indigenous Australians/]] - How does the holistic social and emotional well-being model reframe Indigenous Australian health and well-being? {{ME-By|User Name}}
# [[/Strengths-based Indigenous Australian psychology/]] - How can strengths-based perspectives enhance understanding of Indigenous motivation and emotion? {{ME-By|User Name}}
# [[/Warm-glow giving/]] - Why does giving feel good and how does this influence prosocial behaviour? {{ME-By|User Name}}
# [[/Wisdom, motivation, and emotion/]] - How do motivational and emotional processes contribute to wisdom? {{ME-By|User Name}}

[[Category:Motivation and emotion/Book/2026]]</text>
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__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:Gay Cross.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old woman raised in a rigid religious upbringing that emphasises purity, God-centered marriage, and repentance. Her parents have always made their affection contingent on her compliance with these religious values. 

Rachel has recently realised she is attracted to women. However, because she has “taken in” her parents’ and church’s standards without fully accepting them herself, she experiences a state of internalised compulsion. She doesn’t act out of genuine religious conviction; instead, her life is governed by “shoulds” and “musts” aimed at maintaining her sense of worth in her parents' eyes. 

When Rachel finds herself thinking about her attractions, she experiences intense guilt. This guilt drives her toward reparative actions to “undo the harm”: she spends hours in additional prayer and flirting with men, not for enjoyment, but to alleviate the crushing feeling that she has failed. 

As Rachel struggles to suppress her feelings, her experience shifts from behaviour-focused guilt to global self-focused shame. She begins to evaluate her entire self as defective and unworthy of love. This shame makes her withdraw and hide; she spends less time with her friends and avoids her parents because she feels like a “bad person” who would be rejected if her “true self” were known. 

Rachel remains “successful” in the eyes of her community, but her motivation is brittle and unstable. She is at high risk for burnout and depressive symptoms because her energy is being drained by the constant internal conflict between her authentic self and her introjected standards.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Introjection]]</text>
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__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:Gay Cross.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old girl raised in a rigid religious upbringing that emphasises purity, God-centered marriage, and repentance. Her parents have always made their affection contingent on her compliance with these religious values. 

Rachel has recently realised she is attracted to women. However, because she has “taken in” her parents’ and church’s standards without fully accepting them herself, she experiences a state of internalised compulsion. She doesn’t act out of genuine religious conviction; instead, her life is governed by “shoulds” and “musts” aimed at maintaining her sense of worth in her parents' eyes. 

When Rachel finds herself thinking about her attractions, she experiences intense guilt. This guilt drives her toward reparative actions to “undo the harm”: she spends hours in additional prayer and flirting with men, not for enjoyment, but to alleviate the crushing feeling that she has failed. 

As Rachel struggles to suppress her feelings, her experience shifts from behaviour-focused guilt to global self-focused shame. She begins to evaluate her entire self as defective and unworthy of love. This shame makes her withdraw and hide; she spends less time with her friends and avoids her parents because she feels like a “bad person” who would be rejected if her “true self” were known. 

Rachel remains “successful” in the eyes of her community, but her motivation is brittle and unstable. She is at high risk for burnout and depressive symptoms because her energy is being drained by the constant internal conflict between her authentic self and her introjected standards.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Introjection]]</text>
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    <revision>
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      <parentid>2822876</parentid>
      <timestamp>2026-08-19T02:20:57Z</timestamp>
      <contributor>
        <username>U3330981</username>
        <id>3106384</id>
      </contributor>
      <origin>2822884</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10800" sha1="g7ph79accdmdyx6f2y807q8x3cd1e64" xml:space="preserve">{{title|Introjection and guilt-based motivation - What role do shame and guilt play in introjected forms of behavioural regulation?}}
__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:Gay Cross.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old raised in a rigid religious household where her parents' affection has always depended on how well she lives up to their values. When she starts noticing feelings she knows they'd disapprove of, she doesn't just feel bad about it. She feels driven to fix it, praying for hours and forcing herself into behaviour that looks &quot;faithful&quot; from the outside. That drive isn't coming from her own beliefs, but rather from the rules she absorbed without ever really developing her own.  

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Introjection]]</text>
      <sha1>g7ph79accdmdyx6f2y807q8x3cd1e64</sha1>
    </revision>
    <revision>
      <id>2822896</id>
      <parentid>2822884</parentid>
      <timestamp>2026-08-19T02:42:11Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>removed [[Category:Motivation and emotion/Book/Introjection]]; added [[Category:Motivation and emotion/Book/Motivation]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822896</origin>
      <model>wikitext</model>
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      <text bytes="10798" sha1="0b6f7t5i0gya5n2igtz59yiomrl8ign" xml:space="preserve">{{title|Introjection and guilt-based motivation - What role do shame and guilt play in introjected forms of behavioural regulation?}}
__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:Gay Cross.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old raised in a rigid religious household where her parents' affection has always depended on how well she lives up to their values. When she starts noticing feelings she knows they'd disapprove of, she doesn't just feel bad about it. She feels driven to fix it, praying for hours and forcing herself into behaviour that looks &quot;faithful&quot; from the outside. That drive isn't coming from her own beliefs, but rather from the rules she absorbed without ever really developing her own.  

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Motivation]]</text>
      <sha1>0b6f7t5i0gya5n2igtz59yiomrl8ign</sha1>
    </revision>
    <revision>
      <id>2822898</id>
      <parentid>2822896</parentid>
      <timestamp>2026-08-19T02:43:32Z</timestamp>
      <contributor>
        <username>U3330981</username>
        <id>3106384</id>
      </contributor>
      <origin>2822898</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10883" sha1="a9x4qj9ded165opml16eqzac8aj0ys8" xml:space="preserve">{{title|Introjection and guilt-based motivation - What role do shame and guilt play in introjected forms of behavioural regulation?}}
__TOC__
==Overview==
{{RoundBoxTop|theme=11}}
[[File:Trinity Church Nave on the Green New Haven just after dawn, October 20, 2012.jpg|right|thumb|200px|'''Figure 1'''. An empty church nave—for Rachel, a place of both belonging and surveillance, where compliance is most expected.]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old raised in a rigid religious household where her parents' affection has always depended on how well she lives up to their values. When she starts noticing feelings she knows they'd disapprove of, she doesn't just feel bad about it. She feels driven to fix it, praying for hours and forcing herself into behaviour that looks &quot;faithful&quot; from the outside. A drive that isn't coming from her own beliefs, but rather from the rules she's absorbed without ever really developing her own.  

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Motivation]]</text>
      <sha1>a9x4qj9ded165opml16eqzac8aj0ys8</sha1>
    </revision>
    <revision>
      <id>2822903</id>
      <parentid>2822898</parentid>
      <timestamp>2026-08-19T02:52:17Z</timestamp>
      <contributor>
        <username>U3330981</username>
        <id>3106384</id>
      </contributor>
      <origin>2822903</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10901" sha1="lgsemd5jdkszx22sozeoo7rhrfrq30x" xml:space="preserve">{{title|Introjection and guilt-based motivation - What role do shame and guilt play in introjected forms of behavioural regulation?}}
__TOC__
==Overview==
{{RoundBoxTop|theme=11}}
[[File:Trinity Church Nave on the Green New Haven just after dawn, October 20, 2012.jpg|right|thumb|150px|'''Figure 1'''. An empty church nave—for Rachel, a place of both belonging and surveillance, where compliance is most expected.]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Rachel is a 16-year-old raised in a rigid religious household where her parents' affection has always depended on how well she lives up to their values. When she starts noticing feelings she knows they'd disapprove of, she doesn't just feel bad about it. She feels driven to fix it, praying for hours and forcing herself into behaviour that looks &quot;faithful&quot; from the outside. A drive that isn't coming from her own beliefs, but rather from the rules she's absorbed before ever really getting the chance to develop her own.  

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the definition of introjected regulation and where does it sit on the self-determination continuum?
* How do shame and guilt function as distinctive drivers within introjected regulation? 
* What are the psychological and behavioural consequences of operating under introjected pressure?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Theoretical background of introjected behavioural regulation==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Distinguishing shame and guilt in introjection==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Psychological and behavioural consequences==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Guilt]]
[[Category:Motivation and emotion/Book/Motivation]]</text>
      <sha1>lgsemd5jdkszx22sozeoo7rhrfrq30x</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Future orientation and criminal behaviour</title>
    <ns>0</ns>
    <id>330075</id>
    <revision>
      <id>2822950</id>
      <parentid>2821059</parentid>
      <timestamp>2026-08-19T04:11:48Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>Add title</comment>
      <origin>2822950</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9724" sha1="00gyinhavarizo4yl8wwodnijsih0ku" xml:space="preserve">{{title|Future orientation and criminal behaviour:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Forensic]]
[[Category:Motivation and emotion/Book/Time]]</text>
      <sha1>00gyinhavarizo4yl8wwodnijsih0ku</sha1>
    </revision>
    <revision>
      <id>2822987</id>
      <parentid>2822950</parentid>
      <timestamp>2026-08-19T06:54:06Z</timestamp>
      <contributor>
        <username>Isa Murphy</username>
        <id>3105869</id>
      </contributor>
      <minor />
      <origin>2822987</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9743" sha1="2lat2ptadiof4cr8nexl6pinkfz62lk" xml:space="preserve">{{title|Future orientation and criminal behaviour:&lt;br&gt;How does future orientation influence the risk of criminal activity?}}

__TOC__
*red feature box = vital information (4)
*green feature box = facts (2)

==Overview==
{{RoundBoxTop|theme=7}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates future orientation and criminal behaviour 

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=2}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 7'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{RoundBoxTop|theme=7}}
'''Follow-up Scenario'''

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages
{{RoundBoxBottom}}

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
{{RoundBoxTop|theme=4}}
''''' Include key sentence on the importance of understanding future orientation in criminal behaviour''.'''
{{RoundBoxBottom}}

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Forensic]]
[[Category:Motivation and emotion/Book/Time]]</text>
      <sha1>2lat2ptadiof4cr8nexl6pinkfz62lk</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Pleasure anticipation and dopamine</title>
    <ns>0</ns>
    <id>330078</id>
    <revision>
      <id>2822941</id>
      <parentid>2814798</parentid>
      <timestamp>2026-08-19T04:04:30Z</timestamp>
      <contributor>
        <username>Ckopplemann</username>
        <id>3108346</id>
      </contributor>
      <minor />
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==See also==
* [[Motivation and emotion - Pleasure anticipation and dopamine|Pleasure anticipation and dopamine]] (Book chapter, 2025)

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Neurotransmitters/Dopamine]]
[[Category:Motivation and emotion/Book/Pleasure]]</text>
      <sha1>2n1uzejzqd5gq347fdzgenq4h3hycje</sha1>
    </revision>
    <revision>
      <id>2822944</id>
      <parentid>2822941</parentid>
      <timestamp>2026-08-19T04:07:11Z</timestamp>
      <contributor>
        <username>Ckopplemann</username>
        <id>3108346</id>
      </contributor>
      <origin>2822944</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="315" sha1="k9ms6fn05uqi4bfanbidnn7msjlkx2t" xml:space="preserve">{{METP}}
==See also==
* [[Motivation and emotion - Pleasure anticipation and dopamine Response|Pleasure anticipation and dopamine]] (Book chapter, 2025)

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Neurotransmitters/Dopamine]]
[[Category:Motivation and emotion/Book/Pleasure]]</text>
      <sha1>k9ms6fn05uqi4bfanbidnn7msjlkx2t</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Body neutrality and emotional well-being</title>
    <ns>0</ns>
    <id>330079</id>
    <revision>
      <id>2823012</id>
      <parentid>2822575</parentid>
      <timestamp>2026-08-19T07:58:25Z</timestamp>
      <contributor>
        <username>Amyuniversity</username>
        <id>3106627</id>
      </contributor>
      <origin>2823012</origin>
      <model>wikitext</model>
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{{title|Body neutrality and emotional well-being:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/2025/Body neutrality and emotional well-being|Body neutrality and emotional well-being]] (Book chapter, 2025)
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Body image]]  
[[Category:Motivation and emotion/Book/Emotion]]</text>
      <sha1>qbsptv2k55zvx3dqnd83025yurzxwdf</sha1>
    </revision>
    <revision>
      <id>2823014</id>
      <parentid>2823012</parentid>
      <timestamp>2026-08-19T07:59:31Z</timestamp>
      <contributor>
        <username>Amyuniversity</username>
        <id>3106627</id>
      </contributor>
      <origin>2823014</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10587" sha1="10wp4ih3es0m0dl59e3jpvscr0sdia2" xml:space="preserve">{{METP}}

{{title|Body neutrality and emotional well-being:&lt;br&gt;How a body-neutral perspective can affect emotional well-being}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/2025/Body neutrality and emotional well-being|Body neutrality and emotional well-being]] (Book chapter, 2025)
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Body image]]  
[[Category:Motivation and emotion/Book/Emotion]]</text>
      <sha1>10wp4ih3es0m0dl59e3jpvscr0sdia2</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Love styles and relationships</title>
    <ns>0</ns>
    <id>330081</id>
    <revision>
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      <parentid>2821822</parentid>
      <timestamp>2026-08-19T04:02:06Z</timestamp>
      <contributor>
        <username>U3246588</username>
        <id>3106347</id>
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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

==See also==
* [[Motivation and emotion/Book/2025/Love styles and relationship satisfaction|Love styles and relationship satisfaction]] (Book chapter, 2025)

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Love]]
[[Category:Motivation and emotion/Book/Relationships]]</text>
      <sha1>r5bwkgmy6gmbvmngsb3bnslpft9q71p</sha1>
    </revision>
    <revision>
      <id>2822940</id>
      <parentid>2822937</parentid>
      <timestamp>2026-08-19T04:03:23Z</timestamp>
      <contributor>
        <username>U3246588</username>
        <id>3106347</id>
      </contributor>
      <comment>Added subtitle</comment>
      <origin>2822940</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9969" sha1="tejq6ndayaipxuvtfbtv0wfdnxpegz2" xml:space="preserve">{{title|Love styles and relationships&lt;br&gt;How do love styles influence relationship satisfaction and stability?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]

==See also==
* [[Motivation and emotion/Book/2025/Love styles and relationship satisfaction|Love styles and relationship satisfaction]] (Book chapter, 2025)

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Love]]
[[Category:Motivation and emotion/Book/Relationships]]</text>
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  <page>
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    <ns>0</ns>
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      <contributor>
        <username>Honeybelle11</username>
        <id>3108395</id>
      </contributor>
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      <text bytes="205" sha1="5qgmjq342pvuuvgj3zrgaaqhd54n3t8" xml:space="preserve">{{METP}}
==See also==
* [[Motivation and emotion/Book/2025/Moodiness|Moodiness]] Honeybelle11 (Book chapter, 2025)

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mood]]</text>
      <sha1>5qgmjq342pvuuvgj3zrgaaqhd54n3t8</sha1>
    </revision>
  </page>
  <page>
    <title>African Arthropods/Apoidea</title>
    <ns>0</ns>
    <id>330218</id>
    <revision>
      <id>2823016</id>
      <parentid>2819905</parentid>
      <timestamp>2026-08-19T08:00:59Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea */</comment>
      <origin>2823016</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="6947" sha1="oi8inf2i64om3p9e8imuur49a6cmt6g" xml:space="preserve">=Apoidea=

There are many familiar species in this superfamily; it includes seven families of bees and about 13 families of wasps. 

&lt;gallery mode=packed heights=200&gt;
Amegilla atrocincta.jpg|''Amegilla atrocincta'', Apidae
Xylocopa olivacea Vynbos 2.jpg|''Xylocopa olivacea'', Apidae
Megachile maxillosa inaturalist 209496203.jpg|''Megachile maxillosa'', Megachilidae 
Hylaeus heraldicus inaturalist 68861048.jpg|''Hylaeus heraldicus'', Colletidae 
Black Mud-dauber Wasp (Sceliphron spirifex) on Buffalo-Thorn (Ziziphus mucronata) flowers ... (52739846889).jpg|''Sceliphron spirifex'', Sphecidae
Ammophila ferrugineipes04.jpg|''Ammophila'' cf. ''ferrugineipes'', Sphecidae
Philanthus triangulum diadema 187037342.jpg|''Philanthus triangulum'', Philanthidae
&lt;/gallery&gt;

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]] (18 Afrotropical genera in three subfamilies)
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

:'''Basal Apoidea'''
&lt;gallery mode=packed heights=200&gt;
Ampulicidae 37894270 suncana.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Ammophila (wasp)|''Ampulex'' cf. ''apicalis'']])
Dolichurus cf basuto iN 99066897 Sep 29, 2021.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Dolichurus|''Dolichurus'' cf. ''basuto'']])
Astata iN 105162782 Nicola van Berkel.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata |''Astata'' sp.]])
Astata melanaria.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata melanaria |''Astata melanaria'']])
&lt;/gallery&gt;
:'''Sphecid clade'''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg|[[w:Bembicidae|Bembicidae]] - sand wasps ([[w:Gorytes |''Gorytes'' cf ''natalensis'']])
Tachysphex iN 250449986 2024 10 09 7305.jpg|[[African Arthropods/Crabroninae|Crabronidae]] - sand wasps ([[w:Tachysphex |''Tachysphex'' cf ''asinus'']])
Ammophila ferrugineipes Thread-waisted wasp IMG 2008s.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Ammophila|Ammophila ferrugineipes]]'')
Sceliphron spirifex 2015 10 10 01.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Sceliphron spirifex|Sceliphron spirifex]]'')
&lt;/gallery&gt;
:'''Philanthid clade'''
&lt;gallery mode=packed heights=200&gt;
Carinostigmus iN 171762921 01.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Carinostigmus|Carinostigmus]]'' sp.) 
Polemistus braunsii iNaturalist 228280708.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Polemistus braunsii|Polemistus braunsii]]'')
Cerceris 2019 12 02 2310.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Cerceris|Cerceris]]'' sp.)
Philanthus triangulum diadema 187037342.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Philanthus triangulum|Philanthus triangulum diadema]]'')
&lt;/gallery&gt;

:'''Families closely related to bees'''
&lt;gallery mode=packed heights=200&gt;
Psenini iN 1022563 i c riddell.jpg|[[w:Psenidae|Psenidae]] (Unidentified psenid wasp)
Lindenius columbianus 02.jpg|[[w:Ammoplanidae|Ammoplanidae]] (''Ammoplanus salicis'', an ammoplanid wasp from New Mexico)
&lt;/gallery&gt;

:'''Epifamily Anthophila (Bees)'''
&lt;gallery mode=packed heights=200&gt;
A mining bee, Genus Andrena.jpg|'''[[w:Andrenidae|Andrenidae]]''' - Mining bees (''Andrena'' sp.)
Peltophorum africanum 1DS-II 6699.jpg|'''[[w:Apidae|Apidae]]''' - honey, cuckoo, digger &amp; carpenter bees (''Xylocopa caffra'')
Scrapter niger 2 flowers towards Avontuur.jpg|'''[[w:Colletidae|Colletidae]]''' - membrane, plasterer &amp; masked bees (''Scrapter niger'')
Halictid Bees (Spatunomia rubra) males roosting on a branch (16602329167).jpg|'''[[w:Halictidae|Halictidae]]''' - sweat bees, flower bees (''Spatunomia rubra'')
Black bee in flower (6967270401).jpg|'''[[w:Megachilidae|Megachilidae]]''' - leaf-cutting bees, mason bees
Rediviva, f, south africa, side 2014-11-04-13.11.43 ZS PMax (15794500671).jpg|'''[[w:Melittidae|Melittidae]]''' - melittid bees (''Rediviva'' sp.)
&lt;/gallery&gt;

:'''Apoid family with unknown affinities'''
&lt;gallery mode=packed heights=200&gt;
Heterogyna04.jpg|[[w:Heterogynaidae|Heterogynaidae]] (''Heterogyna'' sp.)
&lt;/gallery&gt;


*[[Ammoplanidae]]
*[[Ampulicidae]]
*[[Astatidae]]
*[[Bembicinae|Bembicidae]]
*[[Crabronidae]]
*[[Entomosericidae]]
*[[Eremiaspheciidae]]
*[[Heterogynaidae]]
*[[Mellinidae]]
*[[Pemphredonidae]]
*[[Philanthidae]]
*[[Psenidae]]
*[[Sphecidae]]
Clade [[Anthophila (bee)|Anthophila]]
*[[Andrenidae]]
*[[Apidae]]
*[[Colletidae]]
*[[Halictidae]]
*[[Megachilidae]]
*[[Melittidae]]
*[[Stenotritidae]]

==References==
{{reflist}}

{{BookCat}}</text>
      <sha1>oi8inf2i64om3p9e8imuur49a6cmt6g</sha1>
    </revision>
    <revision>
      <id>2823026</id>
      <parentid>2823016</parentid>
      <timestamp>2026-08-19T08:11:21Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>Astatidae, Bembicidae</comment>
      <origin>2823026</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="7193" sha1="aikd33224l47i2welfiley4cvdo80rr" xml:space="preserve">=Apoidea=

There are many familiar species in this superfamily; it includes seven families of bees and about 13 families of wasps. 

&lt;gallery mode=packed heights=200&gt;
Amegilla atrocincta.jpg|''Amegilla atrocincta'', Apidae
Xylocopa olivacea Vynbos 2.jpg|''Xylocopa olivacea'', Apidae
Megachile maxillosa inaturalist 209496203.jpg|''Megachile maxillosa'', Megachilidae 
Hylaeus heraldicus inaturalist 68861048.jpg|''Hylaeus heraldicus'', Colletidae 
Black Mud-dauber Wasp (Sceliphron spirifex) on Buffalo-Thorn (Ziziphus mucronata) flowers ... (52739846889).jpg|''Sceliphron spirifex'', Sphecidae
Ammophila ferrugineipes04.jpg|''Ammophila'' cf. ''ferrugineipes'', Sphecidae
Philanthus triangulum diadema 187037342.jpg|''Philanthus triangulum'', Philanthidae
&lt;/gallery&gt;

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]] (18 Afrotropical genera in three subfamilies)
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

:'''Basal Apoidea'''
&lt;gallery mode=packed heights=200&gt;
Ampulicidae 37894270 suncana.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Ammophila (wasp)|''Ampulex'' cf. ''apicalis'']])
Dolichurus cf basuto iN 99066897 Sep 29, 2021.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Dolichurus|''Dolichurus'' cf. ''basuto'']])
&lt;/gallery&gt;
:'''Sphecid clade'''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg|[[w:Bembicidae|Bembicidae]] - sand wasps ([[w:Gorytes |''Gorytes'' cf ''natalensis'']])
Tachysphex iN 250449986 2024 10 09 7305.jpg|[[African Arthropods/Crabroninae|Crabronidae]] - sand wasps ([[w:Tachysphex |''Tachysphex'' cf ''asinus'']])
Ammophila ferrugineipes Thread-waisted wasp IMG 2008s.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Ammophila|Ammophila ferrugineipes]]'')
Sceliphron spirifex 2015 10 10 01.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Sceliphron spirifex|Sceliphron spirifex]]'')
&lt;/gallery&gt;
:'''Astatidae'''
&lt;gallery mode=packed heights=200&gt;
Astata iN 105162782 Nicola van Berkel.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata |''Astata'' sp.]])
Astata melanaria.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata melanaria |''Astata melanaria'']])
&lt;/gallery&gt;
:'''Bembicidae'''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg|[[w:Bembicidae|Bembicidae]] - sand wasps ([[w:Gorytes |''Gorytes'' cf ''natalensis'']])
&lt;/gallery&gt;
:'''Philanthid clade'''
&lt;gallery mode=packed heights=200&gt;
Carinostigmus iN 171762921 01.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Carinostigmus|Carinostigmus]]'' sp.) 
Polemistus braunsii iNaturalist 228280708.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Polemistus braunsii|Polemistus braunsii]]'')
Cerceris 2019 12 02 2310.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Cerceris|Cerceris]]'' sp.)
Philanthus triangulum diadema 187037342.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Philanthus triangulum|Philanthus triangulum diadema]]'')
&lt;/gallery&gt;

:'''Families closely related to bees'''
&lt;gallery mode=packed heights=200&gt;
Psenini iN 1022563 i c riddell.jpg|[[w:Psenidae|Psenidae]] (Unidentified psenid wasp)
Lindenius columbianus 02.jpg|[[w:Ammoplanidae|Ammoplanidae]] (''Ammoplanus salicis'', an ammoplanid wasp from New Mexico)
&lt;/gallery&gt;

:'''Epifamily Anthophila (Bees)'''
&lt;gallery mode=packed heights=200&gt;
A mining bee, Genus Andrena.jpg|'''[[w:Andrenidae|Andrenidae]]''' - Mining bees (''Andrena'' sp.)
Peltophorum africanum 1DS-II 6699.jpg|'''[[w:Apidae|Apidae]]''' - honey, cuckoo, digger &amp; carpenter bees (''Xylocopa caffra'')
Scrapter niger 2 flowers towards Avontuur.jpg|'''[[w:Colletidae|Colletidae]]''' - membrane, plasterer &amp; masked bees (''Scrapter niger'')
Halictid Bees (Spatunomia rubra) males roosting on a branch (16602329167).jpg|'''[[w:Halictidae|Halictidae]]''' - sweat bees, flower bees (''Spatunomia rubra'')
Black bee in flower (6967270401).jpg|'''[[w:Megachilidae|Megachilidae]]''' - leaf-cutting bees, mason bees
Rediviva, f, south africa, side 2014-11-04-13.11.43 ZS PMax (15794500671).jpg|'''[[w:Melittidae|Melittidae]]''' - melittid bees (''Rediviva'' sp.)
&lt;/gallery&gt;

:'''Apoid family with unknown affinities'''
&lt;gallery mode=packed heights=200&gt;
Heterogyna04.jpg|[[w:Heterogynaidae|Heterogynaidae]] (''Heterogyna'' sp.)
&lt;/gallery&gt;


*[[Ammoplanidae]]
*[[Ampulicidae]]
*[[Astatidae]]
*[[Bembicinae|Bembicidae]]
*[[Crabronidae]]
*[[Entomosericidae]]
*[[Eremiaspheciidae]]
*[[Heterogynaidae]]
*[[Mellinidae]]
*[[Pemphredonidae]]
*[[Philanthidae]]
*[[Psenidae]]
*[[Sphecidae]]
Clade [[Anthophila (bee)|Anthophila]]
*[[Andrenidae]]
*[[Apidae]]
*[[Colletidae]]
*[[Halictidae]]
*[[Megachilidae]]
*[[Melittidae]]
*[[Stenotritidae]]

==References==
{{reflist}}

{{BookCat}}</text>
      <sha1>aikd33224l47i2welfiley4cvdo80rr</sha1>
    </revision>
    <revision>
      <id>2823028</id>
      <parentid>2823026</parentid>
      <timestamp>2026-08-19T08:12:01Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Apoidea */</comment>
      <origin>2823028</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="7072" sha1="8bd612si7mdbqyx5nyil4t2igw5ob3j" xml:space="preserve">=Apoidea=

There are many familiar species in this superfamily; it includes seven families of bees and about 13 families of wasps. 

&lt;gallery mode=packed heights=200&gt;
Amegilla atrocincta.jpg|''Amegilla atrocincta'', Apidae
Xylocopa olivacea Vynbos 2.jpg|''Xylocopa olivacea'', Apidae
Megachile maxillosa inaturalist 209496203.jpg|''Megachile maxillosa'', Megachilidae 
Hylaeus heraldicus inaturalist 68861048.jpg|''Hylaeus heraldicus'', Colletidae 
Black Mud-dauber Wasp (Sceliphron spirifex) on Buffalo-Thorn (Ziziphus mucronata) flowers ... (52739846889).jpg|''Sceliphron spirifex'', Sphecidae
Ammophila ferrugineipes04.jpg|''Ammophila'' cf. ''ferrugineipes'', Sphecidae
Philanthus triangulum diadema 187037342.jpg|''Philanthus triangulum'', Philanthidae
&lt;/gallery&gt;

The cladogram below shows the probable relationships between the apoid wasp families (Sphecidae ''sensu lato'') and the bees (Anthophila).&lt;ref name=Krichilsky2025&gt;Krichilsky, E., Sann, M., &amp; Ohl, M. (2025). Systematics of Sphecidae sensu lato: Past, Present, and Future—Quantifying Diversity, Taxonomy, and Phylogeny. Insect Systematics and Diversity, 9(6), ixaf037.&lt;/ref&gt;&lt;ref name=waspweb&gt;van Noort, S. 2026. WaspWeb: Hymenoptera of the World. https://www.waspweb.org/Apoidea/index.htm (accessed on 16 June 2026).&lt;/ref&gt;
{{clade| style=font-size:100%;line-height:100%
 |label1=[[Apoidea]]
 |1={{clade
    |1=[[African Arthropods/Ampulicidae|Ampulicidae]] (Two Afrotropical genera in one subfamily)
    |2={{clade
       |1={{clade
          |1={{clade
             |1=Mellinidae (No Afrotropical genera)
             |2=[[Heterogynaidae]] (One Afrotropical genus)
              }}
          |2={{clade
             |1=[[African Arthropods/Sphecidae|Sphecidae]] (Nine Afrotropical genera in four subfamilies)
             |2=[[African Arthropods/Crabroninae|Crabronidae]] (46 Afrotropical genera in one subfamily)                
             }}
           }}
       |2={{clade
          |1=[[African Arthropods/Astatidae|Astatidae]] (Three Afrotropical genera)
          |2={{clade
             |1=[[African Arthropods/Bembecidae|Bembecidae]] (18 Afrotropical genera in three subfamilies)
             |2={{clade
                |1={{clade
                   |1=[[African Arthropods/Pemphredonidae|Pemphredonidae]] (Seven Afrotropical genera in two subfamilies)
                   |2={{clade
                     |1=[[African Arthropods/Philanthidae|Philanthidae]] (Seven Afrotropical genera in four subfamilies)
                     |2={{clade
                       |1=[[Eremiaspheciidae]] (One Afrotropical species)
                       |2=Entomosericidae (No Afrotropical genera)                
                        }}
                      }}
                  }}
                |2={{clade
                   |1=[[Psenidae]] (Four Afrotropical genera)
                   |2={{clade
                     |1=[[Ammoplanidae]] (Two Afrotropical genera) 
                     |2=[[Anthophila]] (Bees - 2755 Afrotropical species in 99 genera; six families)&lt;ref name=Eardley2010&gt;Eardley, C., &amp; Urban, R. (2010). Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455(1), 1-548.&lt;/ref&gt;           
                       }}
                    }}
                  }}
               }}
               }}
           }}
          }}
       }}

:'''Basal Apoidea'''
&lt;gallery mode=packed heights=200&gt;
Ampulicidae 37894270 suncana.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Ammophila (wasp)|''Ampulex'' cf. ''apicalis'']])
Dolichurus cf basuto iN 99066897 Sep 29, 2021.jpg|[[w:Ampulicidae|Ampulicidae]] - cockroach wasps ([[w:Dolichurus|''Dolichurus'' cf. ''basuto'']])
&lt;/gallery&gt;
:'''Sphecid clade'''
&lt;gallery mode=packed heights=200&gt;
Tachysphex iN 250449986 2024 10 09 7305.jpg|[[African Arthropods/Crabroninae|Crabronidae]] - sand wasps ([[w:Tachysphex |''Tachysphex'' cf ''asinus'']])
Ammophila ferrugineipes Thread-waisted wasp IMG 2008s.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Ammophila|Ammophila ferrugineipes]]'')
Sceliphron spirifex 2015 10 10 01.jpg|[[w:Sphecidae|Sphecidae]] - mud daubers, digger &amp; sand wasps (''[[w:Sceliphron spirifex|Sceliphron spirifex]]'')
&lt;/gallery&gt;
:'''Astatidae'''
&lt;gallery mode=packed heights=200&gt;
Astata iN 105162782 Nicola van Berkel.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata |''Astata'' sp.]])
Astata melanaria.jpg|[[w:Astatidae|Astatidae]] - astatid wasps ([[w:Astata melanaria |''Astata melanaria'']])
&lt;/gallery&gt;
:'''Bembicidae'''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg|[[w:Bembicidae|Bembicidae]] - sand wasps ([[w:Gorytes |''Gorytes'' cf ''natalensis'']])
&lt;/gallery&gt;
:'''Philanthid clade'''
&lt;gallery mode=packed heights=200&gt;
Carinostigmus iN 171762921 01.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Carinostigmus|Carinostigmus]]'' sp.) 
Polemistus braunsii iNaturalist 228280708.jpg|[[w:Pemphredonidae|Pemphredonidae]] - aphid wasps (''[[w:Polemistus braunsii|Polemistus braunsii]]'')
Cerceris 2019 12 02 2310.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Cerceris|Cerceris]]'' sp.)
Philanthus triangulum diadema 187037342.jpg|[[w:Philanthidae|Philanthidae]] - bee wolves and allies (''[[w:Philanthus triangulum|Philanthus triangulum diadema]]'')
&lt;/gallery&gt;

:'''Families closely related to bees'''
&lt;gallery mode=packed heights=200&gt;
Psenini iN 1022563 i c riddell.jpg|[[w:Psenidae|Psenidae]] (Unidentified psenid wasp)
Lindenius columbianus 02.jpg|[[w:Ammoplanidae|Ammoplanidae]] (''Ammoplanus salicis'', an ammoplanid wasp from New Mexico)
&lt;/gallery&gt;

:'''Epifamily Anthophila (Bees)'''
&lt;gallery mode=packed heights=200&gt;
A mining bee, Genus Andrena.jpg|'''[[w:Andrenidae|Andrenidae]]''' - Mining bees (''Andrena'' sp.)
Peltophorum africanum 1DS-II 6699.jpg|'''[[w:Apidae|Apidae]]''' - honey, cuckoo, digger &amp; carpenter bees (''Xylocopa caffra'')
Scrapter niger 2 flowers towards Avontuur.jpg|'''[[w:Colletidae|Colletidae]]''' - membrane, plasterer &amp; masked bees (''Scrapter niger'')
Halictid Bees (Spatunomia rubra) males roosting on a branch (16602329167).jpg|'''[[w:Halictidae|Halictidae]]''' - sweat bees, flower bees (''Spatunomia rubra'')
Black bee in flower (6967270401).jpg|'''[[w:Megachilidae|Megachilidae]]''' - leaf-cutting bees, mason bees
Rediviva, f, south africa, side 2014-11-04-13.11.43 ZS PMax (15794500671).jpg|'''[[w:Melittidae|Melittidae]]''' - melittid bees (''Rediviva'' sp.)
&lt;/gallery&gt;

:'''Apoid family with unknown affinities'''
&lt;gallery mode=packed heights=200&gt;
Heterogyna04.jpg|[[w:Heterogynaidae|Heterogynaidae]] (''Heterogyna'' sp.)
&lt;/gallery&gt;


*[[Ammoplanidae]]
*[[Ampulicidae]]
*[[Astatidae]]
*[[Bembicinae|Bembicidae]]
*[[Crabronidae]]
*[[Entomosericidae]]
*[[Eremiaspheciidae]]
*[[Heterogynaidae]]
*[[Mellinidae]]
*[[Pemphredonidae]]
*[[Philanthidae]]
*[[Psenidae]]
*[[Sphecidae]]
Clade [[Anthophila (bee)|Anthophila]]
*[[Andrenidae]]
*[[Apidae]]
*[[Colletidae]]
*[[Halictidae]]
*[[Megachilidae]]
*[[Melittidae]]
*[[Stenotritidae]]

==References==
{{reflist}}

{{BookCat}}</text>
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The John Snow prediabetes Institute is an international research network focused on prediabetes remission (prevention) , early risk identification, and metabolic health education.

&lt;big&gt;Millions are at increased risk of developing metabolic syndromes with prediabetes, diabetes type 2, high blood pressure and overweight. All can lower their risks by staying physical active and eating well. Early diagnosis and education of prediabetes is a cost-effective preventive strategy that can improve long-term health outcomes. A practical strategy for prediabetes remission in low- and middle-income countries (LMICs) must assume that laboratory capacity, workforce, and financing are constrained. For early identification of the risks we propose to register weight and height (BMI), the fasting blood sugar (glucometer), blood pressure, age, gender in the '''Prevalence studies''' at the schools for seafarers, nurses, medical students and the kids schools followed by giving educational materials.The 16-weeks '''intervention studies''' include learnings by short video sequences and self-monitoring of blood sugar with glucometer and self-evaluation of diet and physical activity. Educational materials is available from the international diabetes organisations e.g from the ADA:&lt;/big&gt; &lt;ref&gt;https://professional.diabetes.org/diabetes-support-resources&lt;/ref&gt;[[File:Lifestyle Medicine Pillars.png|250px|right|&lt;big&gt;The focus of Lifestyle Medicine is on these 6 pillars.&lt;/big&gt;]]
&lt;ref&gt;https://professional.diabetes.org/diabetes-support-resources&lt;/ref&gt; https://www.sciencedirect.com/science/article/abs/pii/S1751991825001068[
[File:Lifestyle Medicine Pillars.png|300px|right|&lt;big&gt;
Lifestyle Medicine Pillars.png
The focus of Lifestyle Medicine is on these 6 pillars.&lt;/big&gt;]]

====[[/The Maritime Health database design // |1.1 The Maritime Health database design]] ====

&lt;big&gt;1.2 Nursing Students Health Database &lt;ref&gt; https://www.dropbox.com/scl/fi/tcznmmd2y3nona5e3h1ro/The-Nursing-students-health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=onbjh4o8ko1lzdvgyi8nlrotk &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.3. Medical student's Health Database &lt;ref&gt;https://www.dropbox.com/scl/fi/f16h9b60u4gxgt56un2jf/The-Medical-students-Health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=xyfqen5trdc5lniaovipl548n &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.4. School childrens` Health database &lt;ref&gt; https://www.dropbox.com/scl/fi/u6u50c8bxwhte9t2t6ck8/The-School-children-s-Health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=zlyz5wn673wf7owettq3nx3h5 &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.5 Excel recoding &lt;ref&gt;https://www.dropbox.com/scl/fi/9qvqeccto2kbuqvx7mdkl?r=ACsntb2AuiFkJbEBLObVdo0HMD67UZBBUGCGl1RPCPy1X5Y3K3e9Lf4s7cG7i7E_iH0IK-WkynXw_FNCDWybHuCgaNl_OM8yche2w2aapJGk5BTHybbsLpLayBU8VKPPqxNa2zDaNslBdQg0MhmKTFSG&lt;/ref&gt;&lt;big&gt;

&lt;big&gt;&lt;br /&gt;
2. '''Intervention studies''' Englsh 
&lt;ref&gt;https://www.dropbox.com/scl/fi/oi6cx6tlwwvoko3ed37tn/Invitation-to-the-course-English.docx?cloud_editor=word&amp;dl=0&amp;rlkey=7kzg91tqfgjskxf5aji8khicx &lt;/ref&gt; Danish
&lt;ref&gt;https://www.dropbox.com/scl/fi/2qahc3q9hmf4skbvk77ab/Invitation-to-the-course-in-Danish.docx?cloud_editor=word&amp;dl=0&amp;rlkey=x63w8oqvarz284zg2btq2johv &lt;/ref&gt; Spanish &lt;ref&gt; https://www.dropbox.com/scl/fi/bn71inqeeth4o4mc1fjth/Invitation-to-the-course-Spanish.docx?cloud_editor=word&amp;dl=0&amp;rlkey=popmr1fnodh1v951v9l7k9ezv &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;- General research protocol draft
&lt;ref&gt; https://www.dropbox.com/scl/fi/gau25oy5y1s57046icjt2/Research-protocol-draft.docx?cloud_editor=word&amp;dl=0&amp;rlkey=wat63e25ritmujwcpss8s4v0s &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;- Health Promoting Schools &lt;ref&gt; https://www.dropbox.com/scl/fi/0rm7honrezbjwrcy3h3yk/Health-promoting-schools.docx?cloud_editor=word&amp;dl=0&amp;rlkey=673jyzcmwbfw7k9ui9nmtp0zh &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;- John Snow Institute bylaws &lt;ref&gt; https://www.dropbox.com/scl/fi/lccr7jtnga1u0x75117zn/John-Snow-revision-2-March-11.doc?cloud_editor=word&amp;dl=0&amp;rlkey=lz2gi7mslcoay5dzygg8h6n6r &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;3. '''Publications and pptx''' 2016-2026 &lt;ref&gt;https://en.wikiversity.org/wiki/Maritime_Health_Research_and_Education-NET/The_International_Type_2_Diabetes_Mellitus_and_Hypertension_Research_Group#The_John_Snow_Institute &lt;/ref&gt;&lt;ref name=&quot;:0&quot;&gt; https://www.dropbox.com/scl/fi/mw7ft423lkkpjoxywd2bf &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;4. '''Prediabetes-Remission Research Network:'''&lt;/big&gt;
&lt;small&gt;Cordinator and Director MBA Christian Acheampong, Turkey, Prof. Magda Medir Mb, Spain, Prof. Ing. MSc. Nailet Delgado; Prof. Dr. Olaf Jensen, MD, PhD, o147248@gmail.com; MSc.Ph.D. Bishal Gyawali Prof. SDU; MSc.PhD Vivi Just-Nørregaard; Dr. Johan Hviid Andersen MD, PhD. Prof Århus University; Prof. MSc. Agnes Flores, UMECIT, Panama; Dr. Maite, Vacamonte, Panama; Bruno Nørdam, Randers; Dr. Maite Duque, Venezuela; Dr. Indira Santos Panama; Med.Stud. Ashley Lezcano, Panama; Dr. Joseph Abesamis MD Filippines; Dr. Jen Mendoza, MD, Filippines; Dr. Andra Ergle MD, Latvia; Prof. MSc. Ingrid Morató, Tarragona/Cadiz, Spain; Dr. Alejandro Martinez, MPH, Costa Rica; Dr. Med. Sci Finn Gyntelberg; NFA.and Bispebj. Hosp. Denmark&lt;/small&gt;

&lt;big&gt;5. '''Events''' 
====[[/|Manila conference Oct. 2026]] ====

==References==

&lt;references /&gt;
[[Category:Prediabetes ]]Education 1: Research Methodology &lt;ref&gt;https://en.wikiversity.org/wiki/Maritime_Health_Research_and_Education-NET/EDUCATION/Education_module_links&lt;/ref&gt;
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The John Snow prediabetes Institute is an international research network focused on prediabetes remission (prevention) , early risk identification, and metabolic health education.

&lt;big&gt;Millions are at increased risk of developing metabolic syndromes with prediabetes, diabetes type 2, high blood pressure and overweight. All can lower their risks by staying physical active and eating well. Early diagnosis and education of prediabetes is a cost-effective preventive strategy that can improve long-term health outcomes. A practical strategy for prediabetes remission in low- and middle-income countries (LMICs) must assume that laboratory capacity, workforce, and financing are constrained. For early identification of the risks we propose to register weight and height (BMI), the fasting blood sugar (glucometer), blood pressure, age, gender in the '''Prevalence studies''' at the schools for seafarers, nurses, medical students and the kids schools followed by giving educational materials.The 16-weeks '''intervention studies''' include learnings by short video sequences and self-monitoring of blood sugar with glucometer and self-evaluation of diet and physical activity. Educational materials is available from the international diabetes organisations e.g from the ADA:&lt;/big&gt; &lt;ref&gt;https://professional.diabetes.org/diabetes-support-resources&lt;/ref&gt;[[File:Lifestyle Medicine Pillars.png|250px|right|&lt;big&gt;The focus of Lifestyle Medicine is on these 6 pillars.&lt;/big&gt;]]
&lt;ref&gt;https://professional.diabetes.org/diabetes-support-resources&lt;/ref&gt; https://www.sciencedirect.com/science/article/abs/pii/S1751991825001068[
[File:Lifestyle Medicine Pillars.png|300px|right|&lt;big&gt;
Lifestyle Medicine Pillars.png
The focus of Lifestyle Medicine is on these 6 pillars.&lt;/big&gt;]]

====[[/The Maritime Health database design // |1.1 The Maritime Health database design]] ====

&lt;big&gt;1.2 Nursing Students Health Database &lt;ref&gt; https://www.dropbox.com/scl/fi/tcznmmd2y3nona5e3h1ro/The-Nursing-students-health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=onbjh4o8ko1lzdvgyi8nlrotk &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.3. Medical student's Health Database &lt;ref&gt;https://www.dropbox.com/scl/fi/f16h9b60u4gxgt56un2jf/The-Medical-students-Health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=xyfqen5trdc5lniaovipl548n &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.4. School childrens` Health database &lt;ref&gt; https://www.dropbox.com/scl/fi/u6u50c8bxwhte9t2t6ck8/The-School-children-s-Health-database.docx?cloud_editor=word&amp;dl=0&amp;rlkey=zlyz5wn673wf7owettq3nx3h5 &lt;/ref&gt;&lt;/big&gt;

&lt;big&gt;1.5 Excel recoding &lt;ref&gt;https://www.dropbox.com/scl/fi/9qvqeccto2kbuqvx7mdkl?r=ACsntb2AuiFkJbEBLObVdo0HMD67UZBBUGCGl1RPCPy1X5Y3K3e9Lf4s7cG7i7E_iH0IK-WkynXw_FNCDWybHuCgaNl_OM8yche2w2aapJGk5BTHybbsLpLayBU8VKPPqxNa2zDaNslBdQg0MhmKTFSG&lt;/ref&gt;&lt;big&gt;
&lt;br /&gt;
2. '''Intervention studies''' English 
&lt;ref&gt;https://www.dropbox.com/scl/fi/oi6cx6tlwwvoko3ed37tn/Invitation-to-the-course-English.docx?cloud_editor=word&amp;dl=0&amp;rlkey=7kzg91tqfgjskxf5aji8khicx &lt;/ref&gt; Danish
&lt;ref&gt;https://www.dropbox.com/scl/fi/2qahc3q9hmf4skbvk77ab/Invitation-to-the-course-in-Danish.docx?cloud_editor=word&amp;dl=0&amp;rlkey=x63w8oqvarz284zg2btq2johv &lt;/ref&gt; Spanish &lt;ref&gt; https://www.dropbox.com/scl/fi/bn71inqeeth4o4mc1fjth/Invitation-to-the-course-Spanish.docx?cloud_editor=word&amp;dl=0&amp;rlkey=popmr1fnodh1v951v9l7k9ezv &lt;/ref&gt;

- General research protocol draft
&lt;ref&gt; https://www.dropbox.com/scl/fi/gau25oy5y1s57046icjt2/Research-protocol-draft.docx?cloud_editor=word&amp;dl=0&amp;rlkey=wat63e25ritmujwcpss8s4v0s &lt;/ref&gt;

- Health Promoting Schools &lt;ref&gt; https://www.dropbox.com/scl/fi/0rm7honrezbjwrcy3h3yk/Health-promoting-schools.docx?cloud_editor=word&amp;dl=0&amp;rlkey=673jyzcmwbfw7k9ui9nmtp0zh &lt;/ref&gt;

- John Snow Institute bylaws &lt;ref&gt; https://www.dropbox.com/scl/fi/lccr7jtnga1u0x75117zn/John-Snow-revision-2-March-11.doc?cloud_editor=word&amp;dl=0&amp;rlkey=lz2gi7mslcoay5dzygg8h6n6r &lt;/ref&gt;

3. '''Publications and pptx''' 2016-2026 &lt;ref&gt;https://en.wikiversity.org/wiki/Maritime_Health_Research_and_Education-NET/The_International_Type_2_Diabetes_Mellitus_and_Hypertension_Research_Group#The_John_Snow_Institute &lt;/ref&gt;&lt;ref name=&quot;:0&quot;&gt; https://www.dropbox.com/scl/fi/mw7ft423lkkpjoxywd2bf &lt;/ref&gt;

4. '''Prediabetes-Remission Research Network:'''
&lt;small&gt;Cordinator and Director MBA Christian Acheampong, Turkey, Prof. Magda Medir Mb, Spain, Prof. Ing. MSc. Nailet Delgado; Prof. Dr. Olaf Jensen, MD, PhD, o147248@gmail.com; MSc.Ph.D. Bishal Gyawali Prof. SDU; MSc.PhD Vivi Just-Nørregaard; Dr. Johan Hviid Andersen MD, PhD. Prof Århus University; Prof. MSc. Agnes Flores, UMECIT, Panama; Dr. Maite, Vacamonte, Panama; Bruno Nørdam, Randers; Dr. Maite Duque, Venezuela; Dr. Indira Santos Panama; Med.Stud. Ashley Lezcano, Panama; Dr. Joseph Abesamis MD Filippines; Dr. Jen Mendoza, MD, Filippines; Dr. Andra Ergle MD, Latvia; Prof. MSc. Ingrid Morató, Tarragona/Cadiz, Spain; Dr. Alejandro Martinez, MPH, Costa Rica; Dr. Med. Sci Finn Gyntelberg; NFA.and Bispebj. Hosp. Denmark&lt;/small&gt;

5. '''Events''' 
====[[/|Manila conference Oct. 2026]] ====

==References==

&lt;references /&gt;
[[Category:Prediabetes ]]Education 1: Research Methodology &lt;ref&gt;https://en.wikiversity.org/wiki/Maritime_Health_Research_and_Education-NET/EDUCATION/Education_module_links&lt;/ref&gt;
&lt;references /&gt;</text>
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    <title>Motivation and emotion/Book/2026/Impulsivity versus sensation-seeking</title>
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What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
      <sha1>qx0v9zj1rf4m5x770ox5wapuzeq0vrl</sha1>
    </revision>
    <revision>
      <id>2822831</id>
      <parentid>2822825</parentid>
      <timestamp>2026-08-18T22:31:54Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
      </contributor>
      <comment>added references</comment>
      <origin>2822831</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="14108" sha1="4z71cmx0viv4d6vy6zo26urbni8xuaf" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
      <sha1>4z71cmx0viv4d6vy6zo26urbni8xuaf</sha1>
    </revision>
    <revision>
      <id>2822850</id>
      <parentid>2822831</parentid>
      <timestamp>2026-08-18T23:27:26Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
      </contributor>
      <comment>added in focus questions</comment>
      <origin>2822850</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="13979" sha1="0zqjhmoci7bk8hu8808lqiqq7dlgnvy" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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    </revision>
    <revision>
      <id>2822851</id>
      <parentid>2822850</parentid>
      <timestamp>2026-08-18T23:35:04Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
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      <text bytes="15272" sha1="nv1ph3vogxasjao4zmwork7yqk0n8d7" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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    </revision>
    <revision>
      <id>2822852</id>
      <parentid>2822851</parentid>
      <timestamp>2026-08-18T23:37:30Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
      </contributor>
      <comment>removed suggestions</comment>
      <origin>2822852</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="14309" sha1="ij04u9xua6othm4ki1oxgmo7ozoqjcm" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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    </revision>
    <revision>
      <id>2822854</id>
      <parentid>2822852</parentid>
      <timestamp>2026-08-18T23:53:18Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
      </contributor>
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      <text bytes="14346" sha1="p6cuwp30o0zqvxbz1026x0m2vem9jzf" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==

== [[#Overview|Overview]] ==

== Understanding impulsivity ==

== Understanding sensation seeking ==

== Distinguishing impulsivity from sensation seeking ==

== Impulsivity, sensation-seeking, and risk taking behaviour ==

== Alcohol use and related consequences ==

== [[#Conclusion|Conclusion]] ==
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
      <sha1>p6cuwp30o0zqvxbz1026x0m2vem9jzf</sha1>
    </revision>
    <revision>
      <id>2822864</id>
      <parentid>2822854</parentid>
      <timestamp>2026-08-19T00:36:57Z</timestamp>
      <contributor>
        <username>Reillyu3280706</username>
        <id>3106308</id>
      </contributor>
      <comment>/* Key points */</comment>
      <origin>2822864</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="17217" sha1="rqllinyqdtrvelsrn0otdohj6d14f02" xml:space="preserve">{{title|Impulsivity versus sensation - seeking
What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==

== [[#Overview|Overview]] ==

== Understanding impulsivity ==

== Understanding sensation seeking ==

== Distinguishing impulsivity from sensation seeking ==

== Impulsivity, sensation-seeking, and risk taking behaviour ==

== Alcohol use and related consequences ==

== [[#Conclusion|Conclusion]] ==
* See also
* References
* External links

==Key points==
'''Overview:'''
*Impulsivity and sensation seeking are related but distinguishable constructs that may contribute to similar behaviours via different psychological pathways (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*Multidimensional models distinguish sensation seeking from other impulsivityrelated characteristics, supporting the importance of examining the constructs separately (Goh et al., 2020; Samiefard et al., 2023).
*Understanding this distinction may improve explanations of risk taking and alcohol related behaviour by considering underlying motivation and behavioural regulation, rather than observable behaviour alone (Magid et al., 2007; Rogers et al., 2021).
'''Understanding impulsivity''':
*Impulsivity is a multidimensional construct, rather than a single tendency, encompassing distinct characteristics such as urgency, lack of premeditation, lack of perseverance, and sensation-seeking within the UPPS-P framework (Goh et al., 2020; Samiefard et al., 2023).
*Varied dimensions of impulsivity may contribute to behaviour through different psychological processes, highlighting the importance of distinguishing between impulsive traits rather than treating impulsivity as a single characteristic (Samiefard et al., 2023; Türkmen et al., 2023).
*Impulsivity profiles are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, demonstrating the behavioural importance of its multidimensional structure (Rogers et al., 2021).
'''Understanding sensation seeking''':
*Sensation seeking reflects a tendency to pursue novel, varied, exciting, or stimulating experiences and can be distinguished from impulsivity characterised by poor inhibition or forethought (Ravert &amp; Donnellan, 2021).
*Sensation seeking is represented as a distinct dimension within multidimensional models such as the UPPS-P, supporting the view that it should not be treated as synonymous with other impulsivity related traits (Goh et al., 2020; Samiefard et al., 2023).
*Higher sensation seeking is associated with greater risk taking behaviour, although the pursuit of stimulation rather than risk itself may underlie this association (Siraj et al., 2021).
'''Distinguishing impulsivity from sensation seeking''':
*Whilst impulsivity and sensation seeking can both contribute to risky behaviour, they represent distinguishable psychological tendencies rather than interchangeable explanations for behaviour (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*A central distinction concerns the processes underlying behaviour; sensation seeking involves the pursuit of stimulation and novel experiences, whereas other dimensions of impulsivity involve tendencies such as acting without adequate forethought or under strong emotional states (Goh et al., 2020; Samiefard et al., 2023).
*Consequently, similar observable behaviours may arise through different psychological pathways, meaning that identifying what a person does does not necessarily explain why they do it (Magid et al., 2007).

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==

== [[#Overview|Overview]] ==

== Understanding impulsivity ==

== Understanding sensation seeking ==

== Distinguishing impulsivity from sensation seeking ==

== Impulsivity, sensation-seeking, and risk taking behaviour ==

== Alcohol use and related consequences ==

== [[#Conclusion|Conclusion]] ==
* See also
* References
* External links

==Key points==
'''Overview:'''
*Impulsivity and sensation seeking are related but distinguishable constructs that may contribute to similar behaviours via different psychological pathways (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*Multidimensional models distinguish sensation seeking from other impulsivityrelated characteristics, supporting the importance of examining the constructs separately (Goh et al., 2020; Samiefard et al., 2023).
*Understanding this distinction may improve explanations of risk taking and alcohol related behaviour by considering underlying motivation and behavioural regulation, rather than observable behaviour alone (Magid et al., 2007; Rogers et al., 2021).
'''Understanding impulsivity''':
*Impulsivity is a multidimensional construct, rather than a single tendency, encompassing distinct characteristics such as urgency, lack of premeditation, lack of perseverance, and sensation-seeking within the UPPS-P framework (Goh et al., 2020; Samiefard et al., 2023).
*Varied dimensions of impulsivity may contribute to behaviour through different psychological processes, highlighting the importance of distinguishing between impulsive traits rather than treating impulsivity as a single characteristic (Samiefard et al., 2023; Türkmen et al., 2023).
*Impulsivity profiles are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, demonstrating the behavioural importance of its multidimensional structure (Rogers et al., 2021).
'''Understanding sensation seeking''':
*Sensation seeking reflects a tendency to pursue novel, varied, exciting, or stimulating experiences and can be distinguished from impulsivity characterised by poor inhibition or forethought (Ravert &amp; Donnellan, 2021).
*Sensation seeking is represented as a distinct dimension within multidimensional models such as the UPPS-P, supporting the view that it should not be treated as synonymous with other impulsivity related traits (Goh et al., 2020; Samiefard et al., 2023).
*Higher sensation seeking is associated with greater risk taking behaviour, although the pursuit of stimulation rather than risk itself may underlie this association (Siraj et al., 2021).
'''Distinguishing impulsivity from sensation seeking''':
*Whilst impulsivity and sensation seeking can both contribute to risky behaviour, they represent distinguishable psychological tendencies rather than interchangeable explanations for behaviour (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*A central distinction concerns the processes underlying behaviour; sensation seeking involves the pursuit of stimulation and novel experiences, whereas other dimensions of impulsivity involve tendencies such as acting without adequate forethought or under strong emotional states (Goh et al., 2020; Samiefard et al., 2023).
*Consequently, similar observable behaviours may arise through different psychological pathways, meaning that identifying what a person does does not necessarily explain why they do it (Magid et al., 2007).
'''Impulsivity, sensation-seeking, and risk-taking behaviour''':
*Different profiles of impulsivity are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, suggesting that individual impulsivity dimensions may have different behavioural consequences (Rogers et al., 2021).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

'''Alcohol use and related consequences''':
*Sensation seeking and impulsivity can contribute to alcohol involvement through different pathways, supporting their treatment as distinct constructs rather than interchangeable predictors of drinking behaviour (Magid et al., 2007).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==

== [[#Overview|Overview]] ==

== Understanding impulsivity ==

== Understanding sensation seeking ==

== Distinguishing impulsivity from sensation seeking ==

== Impulsivity, sensation-seeking, and risk taking behaviour ==

== Alcohol use and related consequences ==

== [[#Conclusion|Conclusion]] ==
* See also
* References
* External links

==Key points==
'''Overview:'''
*Impulsivity and sensation seeking are related but distinguishable constructs that may contribute to similar behaviours via different psychological pathways (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*Multidimensional models distinguish sensation seeking from other impulsivityrelated characteristics, supporting the importance of examining the constructs separately (Goh et al., 2020; Samiefard et al., 2023).
*Understanding this distinction may improve explanations of risk taking and alcohol related behaviour by considering underlying motivation and behavioural regulation, rather than observable behaviour alone (Magid et al., 2007; Rogers et al., 2021).
'''Understanding impulsivity''':
*Impulsivity is a multidimensional construct, rather than a single tendency, encompassing distinct characteristics such as urgency, lack of premeditation, lack of perseverance, and sensation-seeking within the UPPS-P framework (Goh et al., 2020; Samiefard et al., 2023).
*Varied dimensions of impulsivity may contribute to behaviour through different psychological processes, highlighting the importance of distinguishing between impulsive traits rather than treating impulsivity as a single characteristic (Samiefard et al., 2023; Türkmen et al., 2023).
*Impulsivity profiles are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, demonstrating the behavioural importance of its multidimensional structure (Rogers et al., 2021).
'''Understanding sensation seeking''':
*Sensation seeking reflects a tendency to pursue novel, varied, exciting, or stimulating experiences and can be distinguished from impulsivity characterised by poor inhibition or forethought (Ravert &amp; Donnellan, 2021).
*Sensation seeking is represented as a distinct dimension within multidimensional models such as the UPPS-P, supporting the view that it should not be treated as synonymous with other impulsivity related traits (Goh et al., 2020; Samiefard et al., 2023).
*Higher sensation seeking is associated with greater risk taking behaviour, although the pursuit of stimulation rather than risk itself may underlie this association (Siraj et al., 2021).
'''Distinguishing impulsivity from sensation seeking''':
*Whilst impulsivity and sensation seeking can both contribute to risky behaviour, they represent distinguishable psychological tendencies rather than interchangeable explanations for behaviour (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*A central distinction concerns the processes underlying behaviour; sensation seeking involves the pursuit of stimulation and novel experiences, whereas other dimensions of impulsivity involve tendencies such as acting without adequate forethought or under strong emotional states (Goh et al., 2020; Samiefard et al., 2023).
*Consequently, similar observable behaviours may arise through different psychological pathways, meaning that identifying what a person does does not necessarily explain why they do it (Magid et al., 2007).
'''Impulsivity, sensation-seeking, and risk-taking behaviour''':
*Different profiles of impulsivity are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, suggesting that individual impulsivity dimensions may have different behavioural consequences (Rogers et al., 2021).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

'''Alcohol use and related consequences''':
*Sensation seeking and impulsivity can contribute to alcohol involvement through different pathways, supporting their treatment as distinct constructs rather than interchangeable predictors of drinking behaviour (Magid et al., 2007).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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    </revision>
    <revision>
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      <parentid>2823020</parentid>
      <timestamp>2026-08-19T08:03:47Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
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      <origin>2823022</origin>
      <model>wikitext</model>
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      <text bytes="18896" sha1="dxa9ssrcyv329dvgmxjcsrrkptbopm7" xml:space="preserve">{{title|Impulsivity versus sensation-seeking:&lt;br&gt;What is the distinction between impulsivity and sensation-seeking and how does this affect behaviour?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=2}}
[[File: Beer Cantus.jpg|right|thumb|250px|''Figure 1'''. Social drinking can involve similar observable behaviours despite differences in the psychological processes underlying an individual's decision to participate.]]

[[ Imagine this; at a party, two students are offered an unfamiliar alcoholic drink. One accepts immediately without considering the consequences. The other deliberately chooses to try it because they enjoy new and stimulating experiences. Although their behaviour appears similar, the motivations underlying it may differ.]]. 

[[ Impulsivity and sensation seeking are related but distinct psychological constructs that can contribute to similar observable behaviours via different underlying processes. Impulsivity is multidimensional and includes characteristics such as acting without sufficient premeditation, whereas sensation seeking reflects a tendency to pursue novel, exciting, or stimulating experiences (Goh et al., 2020). Distinguishing these constructs is important as focusing only on observable behaviour may overlook why an individual chooses to engage in it. Research demonstrates that differing dimensions of impulsivity and sensation seeking are associated with different patterns of health risk behaviour (Rogers et al., 2021). This distinction is particularly relevant to alcohol use: among college students, sensation seeking and impulsivity have been associated with alcohol involvement through different pathways, with evidence that sensation seeking is more strongly related to alcohol use and impulsivity to alcohol related behaviour (Magid et al., 2007). Thus psychological science can help explain how motivational and self regulatory differences contribute to apparently similar habits or engagement, providing a more nuanced understanding of risk taking and its potential consequences.]]. 

{{RoundBoxBottom}}
*

{{RoundBoxTop|theme=3}}
'''Focus questions'''

[[What is impulsivity and what are its key characteristics?
What is sensation seeking and how does it differ from impulsivity?
What psychological processes explain the distinction between impulsivity and sensation seeking?
How do impulsivity and sensation seeking differentially influence risk taking behaviour?
How do these differences help explain alcohol use and related consequences?]]. 


{{RoundBoxBottom}}

==Headings==

== [[#Overview|Overview]] ==

== Understanding impulsivity ==

== Understanding sensation seeking ==

== Distinguishing impulsivity from sensation seeking ==

== Impulsivity, sensation-seeking, and risk taking behaviour ==

== Alcohol use and related consequences ==

== [[#Conclusion|Conclusion]] ==
* See also
* References
* External links

==Key points==
'''Overview:'''
*Impulsivity and sensation seeking are related but distinguishable constructs that may contribute to similar behaviours via different psychological pathways (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*Multidimensional models distinguish sensation seeking from other impulsivityrelated characteristics, supporting the importance of examining the constructs separately (Goh et al., 2020; Samiefard et al., 2023).
*Understanding this distinction may improve explanations of risk taking and alcohol related behaviour by considering underlying motivation and behavioural regulation, rather than observable behaviour alone (Magid et al., 2007; Rogers et al., 2021).
'''Understanding impulsivity''':
*Impulsivity is a multidimensional construct, rather than a single tendency, encompassing distinct characteristics such as urgency, lack of premeditation, lack of perseverance, and sensation-seeking within the UPPS-P framework (Goh et al., 2020; Samiefard et al., 2023).
*Varied dimensions of impulsivity may contribute to behaviour through different psychological processes, highlighting the importance of distinguishing between impulsive traits rather than treating impulsivity as a single characteristic (Samiefard et al., 2023; Türkmen et al., 2023).
*Impulsivity profiles are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, demonstrating the behavioural importance of its multidimensional structure (Rogers et al., 2021).
'''Understanding sensation seeking''':
*Sensation seeking reflects a tendency to pursue novel, varied, exciting, or stimulating experiences and can be distinguished from impulsivity characterised by poor inhibition or forethought (Ravert &amp; Donnellan, 2021).
*Sensation seeking is represented as a distinct dimension within multidimensional models such as the UPPS-P, supporting the view that it should not be treated as synonymous with other impulsivity related traits (Goh et al., 2020; Samiefard et al., 2023).
*Higher sensation seeking is associated with greater risk taking behaviour, although the pursuit of stimulation rather than risk itself may underlie this association (Siraj et al., 2021).
'''Distinguishing impulsivity from sensation seeking''':
*Whilst impulsivity and sensation seeking can both contribute to risky behaviour, they represent distinguishable psychological tendencies rather than interchangeable explanations for behaviour (Magid et al., 2007; Ravert &amp; Donnellan, 2021).
*A central distinction concerns the processes underlying behaviour; sensation seeking involves the pursuit of stimulation and novel experiences, whereas other dimensions of impulsivity involve tendencies such as acting without adequate forethought or under strong emotional states (Goh et al., 2020; Samiefard et al., 2023).
*Consequently, similar observable behaviours may arise through different psychological pathways, meaning that identifying what a person does does not necessarily explain why they do it (Magid et al., 2007).
'''Impulsivity, sensation-seeking, and risk-taking behaviour''':
*Different profiles of impulsivity are associated with different patterns of health risk behaviour, including substance use and risky sexual behaviour, suggesting that individual impulsivity dimensions may have different behavioural consequences (Rogers et al., 2021).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

'''Alcohol use and related consequences''':
*Sensation seeking and impulsivity can contribute to alcohol involvement through different pathways, supporting their treatment as distinct constructs rather than interchangeable predictors of drinking behaviour (Magid et al., 2007).
*Sensation seeking is positively associated with risk taking, while social factors such as peer influence can also independently contribute to risky behaviour (Siraj et al., 2021).
*Different impulsivity related traits show differing associations to specific forms of risk taking; for example, recent research found sensation seeking associated with having tried sports wagering, while positive urgency was associated with greater frequency and variety of wagering and urgency with gambling-disorder symptoms (Grubbs et al., 2024).

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
{{Hanging indent|1=

{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}

}}

{{tip|{{Hanging indent|1=
Goh, P. K., Lee, C. A., Martel, M. M., Fillmore, M. T., Derefinko, K. J., &amp; Lynam, D. R. (2020). Conceptualizing the UPPS-P model of impulsive personality through network analysis: Key dimensions and general robustness across young adulthood. ''Journal of Personality, 88''(6), 1302–1314. https://doi.org/10.1111/jopy.12572

Grubbs, J. B., Connolly, A. J., Floyd, C. G., Kim, H. S., &amp; Kraus, S. W. (2024). Impulsivity and diverse forms of sports wagering in the U.S.: An examination of the UPPS-P model. ''Addictive Behaviors, 156'', 108058. https://doi.org/10.1016/j.addbeh.2024.108058

Kempeneers, P., Mreyen, K., Pallincourt, R., Remacle, F., Wildemeersch, G., &amp; Simon, J. (2023). Validation of the UPPS-P Impulsive Behavior Scale and clinical correlates of its scores in French-speaking patients starting a residential detoxification program. ''Indian Journal of Psychological Medicine, 45''(5), 503–510. https://doi.org/10.1177/02537176231157411

Magid, V., MacLean, M. G., &amp; Colder, C. R. (2007). Differentiating between sensation seeking and impulsivity through their mediated relations with alcohol use and problems. ''Addictive Behaviors, 32''(10), 2046–2061. https://doi.org/10.1016/j.addbeh.2007.01.015

Ravert, R. D., &amp; Donnellan, M. B. (2021). Impulsivity and sensation seeking: Differing associations with psychological well-being. ''Applied Research in Quality of Life, 16''(4), 1503–1515. https://doi.org/10.1007/s11482-020-09829-y

Rogers, M. M., Kelley, K., &amp; McKinney, C. (2021). Trait impulsivity and health risk behaviors: A latent profile analysis. ''Personality and Individual Differences, 171'', 110511. https://doi.org/10.1016/j.paid.2020.110511

Samiefard, M., Salehi Fadardi, J., Kareshki, H., &amp; Stacy, A. W. (2023). Validity and reliability of a revised S-UPPS-P Impulsive Behavior Scale: The interplay between impulsivity and working memory. ''Journal of Personality Assessment, 105''(2), 174–186. https://doi.org/10.1080/00223891.2022.2081922

Sârbescu, P., &amp; Rusu, A. (2021). Personality predictors of speeding: Anger-aggression and impulsive-sensation seeking. A systematic review and meta-analysis. ''Journal of Safety Research, 77'', 86–98. https://doi.org/10.1016/j.jsr.2021.02.004

Siraj, R., Najam, B., &amp; Ghazal, S. (2021). Sensation seeking, peer influence, and risk-taking behavior in adolescents. ''Education Research International, 2021'', 8403024. https://doi.org/10.1155/2021/8403024

Türkmen, İ., Rodoplu, N., Üner, B. S., Esmer, Ş. C., Altan-Atalay, A., &amp; Ece, B. (2023). When the UPPS-P model of impulsivity meets a revised approach: The development and validation of the TRUE Multidimensional Impulsivity Scale. ''Journal of Personality Assessment, 105''(3), 355–370. https://doi.org/10.1080/00223891.2022.2093730
}}}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Impulsivity]]
[[Category:Motivation and emotion/Book/Sensation seeking]]</text>
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      <text bytes="2333" sha1="0bxfc3vmu07w8nn3t5wx21919oin5ee" xml:space="preserve">==Welcome==
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    <title>Motivation and emotion/Book/2026/Immersive therapy for PTSD treatment</title>
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      <comment>Minor changes to Fig 1 description and Ukraine scenario box.</comment>
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      <text bytes="32777" sha1="4vglec7hufmbhcl4tpdgqz6rjaeo4nm" xml:space="preserve">{{title|Immersive therapy for PTSD treatment:&lt;br&gt;How does it work and what are the effects?}}
__TOC__
== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

**

{| class=&quot;wikitable&quot;
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== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''
{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[c:|Wikimedia Commons]]
* Images can be uploaded to [[c:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

; Scenarios

* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[User talk:StretchBeyond#Feature boxes|feature boxes]]

{{anchor|Feature box}}

; Feature boxes

* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[User talk:StretchBeyond#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
!
!Known to self
!Not known to self
|-
|'''Known to others'''
|Open area
|Blind spot
|-
|'''Not known to others'''
|Hidden area
|Unknown
|}

; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[User talk:StretchBeyond#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?}}

== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted}}

== External links ==
Provide [[Help:Contents/Links#External links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
__FORCETOC__</text>
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    <revision>
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      <timestamp>2026-08-19T08:24:39Z</timestamp>
      <contributor>
        <username>StretchBeyond</username>
        <id>3105744</id>
      </contributor>
      <comment>Based on fellow Wiki user advice, I have experimented with the development of a graphic based on journal theory and ideas, using Microsoft Copilot to produce an image of avoidance and processing cycles.</comment>
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      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="32838" sha1="fb0dbfphnmw67lx4etmj5g6pituciv8" xml:space="preserve">{{title|Immersive therapy for PTSD treatment:&lt;br&gt;How does it work and what are the effects?}}
__TOC__
== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

**

{| class=&quot;wikitable&quot;
|+Placeholder for an immersive therapy comparison table to be built
!
!
!
!
|-
|
|
|
|
|-
|
|
|
|
|-
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|}

== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''
[[File:Avoidance and Processing Cycles.png|right|500x500px]]

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''
{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[c:|Wikimedia Commons]]
* Images can be uploaded to [[c:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

; Scenarios

* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[User talk:StretchBeyond#Feature boxes|feature boxes]]

{{anchor|Feature box}}

; Feature boxes

* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[User talk:StretchBeyond#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
!
!Known to self
!Not known to self
|-
|'''Known to others'''
|Open area
|Blind spot
|-
|'''Not known to others'''
|Hidden area
|Unknown
|}

; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[User talk:StretchBeyond#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?}}

== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted}}

== External links ==
Provide [[Help:Contents/Links#External links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
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      <text bytes="33170" sha1="ouk4bnazf27khb7kkwgh6jf6jt9a93w" xml:space="preserve">{{title|Immersive therapy for PTSD treatment:&lt;br&gt;How does it work and what are the effects?}}
__TOC__
== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

**

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|}

== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''
[[File:Avoidance and Processing Cycles.png|right|500x500px|Figure 2: Highlights the typical flow of an avoidance cycle and the anticipated positive responses generated via immersive therapies. Based on concepts introduced in journal articles by Lopez-Ojeda et al. (2022), Felemban et al. (2026), and Vermetten et. al. (2025), as referenced in the Wiki. Graphic made using Microsoft Copilot.]]

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''
{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[c:|Wikimedia Commons]]
* Images can be uploaded to [[c:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

; Scenarios

* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[User talk:StretchBeyond#Feature boxes|feature boxes]]

{{anchor|Feature box}}

; Feature boxes

* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[User talk:StretchBeyond#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
!
!Known to self
!Not known to self
|-
|'''Known to others'''
|Open area
|Blind spot
|-
|'''Not known to others'''
|Hidden area
|Unknown
|}

; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[User talk:StretchBeyond#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?}}

== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted}}

== External links ==
Provide [[Help:Contents/Links#External links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
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== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

**

{| class=&quot;wikitable&quot;
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== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''
[[File:Avoidance and Processing Cycles.png|right|500x500px|Figure 2: Highlights the typical flow of an avoidance cycle and the anticipated positive responses generated via immersive therapies. Based on concepts introduced in journal articles by Lopez-Ojeda et al. (2022), Felemban et al. (2026), and Vermetten et. al. (2025), as referenced in the Wiki. Graphic made using Microsoft Copilot.|border]]

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''
{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[c:|Wikimedia Commons]]
* Images can be uploaded to [[c:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

; Scenarios

* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[User talk:StretchBeyond#Feature boxes|feature boxes]]

{{anchor|Feature box}}

; Feature boxes

* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[User talk:StretchBeyond#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
!
!Known to self
!Not known to self
|-
|'''Known to others'''
|Open area
|Blind spot
|-
|'''Not known to others'''
|Hidden area
|Unknown
|}

; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[User talk:StretchBeyond#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?}}

== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
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* The most common mistakes include:
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== External links ==
Provide [[Help:Contents/Links#External links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
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{{tip|Suggestions for this section:
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[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
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      <text bytes="33180" sha1="d4cotekx9w5jmsn80zcx1bfgss8mo1x" xml:space="preserve">{{title|Immersive therapy for PTSD treatment:&lt;br&gt;How does it work and what are the effects?}}
__TOC__
== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

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== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''
[[File:Avoidance and Processing Cycles.png|right|500x500px|Figure 2: Highlights the typical flow of an avoidance cycle and the anticipated positive responses generated via immersive therapies. Based on concepts introduced in journal articles by Lopez-Ojeda et al. (2022), Felemban et al. (2026), and Vermetten et. al. (2025), as referenced in the Wiki. Graphic made using Microsoft Copilot.|border]]

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''


{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
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# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
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*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

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== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

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{{anchor|Feature box}}

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; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
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{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
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* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
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!Known to self
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|Open area
|Blind spot
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; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
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&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
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== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
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** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
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* The most common mistakes include:
** Incorrect capitalisation
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* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
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* Include the source in parentheses after the link
}}

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[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
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== Overview ==
{{RoundBoxTop|theme=4}}
''' Post-Traumatic Stress Disorder (PTSD): What does it really cost society?'''

[[File:Post-traumatic stress disorder world map - DALY - WHO2004.svg|alt=|thumb|271x271px|'''Figure 1:''' The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.&lt;ref&gt;{{Cite web|url=https://www.who.int/news-room/fact-sheets/detail/post-traumatic-stress-disorder|title=Post-traumatic stress disorder|website=www.who.int|language=en|access-date=2026-08-17}}&lt;/ref&gt;]]

•	PTSD is estimated to have had a total excess economic burden in the USA of more than US$232 billion in 2018 (Davis et al., 2022). (In 2026, this would equate to approximately AUD $433 billion).

•	PTSDs 2020-21 societal burden in the UK was estimated at over $£40 billion, with 92.4% of these costs to society being indirect versus direct clinical costs (Montgomery-Marks et al., 2025) (In 2026, this would equate to approximately AUD $77 billion).

•	In Australia, the 2025 annual cost of PTSD per military veteran was $112,172 (Magnusson &amp; Dey, 2025).

•	Individual healthcare costs surge by 142% in the year following a PTSD diagnosis, with comorbidity complications having a 3x cost effect on individuals with PTSD (Bothe et al., 2020).

Figure 1 caption highlights the 2024 global impact of PTSD, with the Wikimedia Commons picture also displaying some, albeit dated (2004) but informative distribution data.{{Figure|Figure 1: The 2024 World Health Organisation estimates 3.9% of the world population has had post-traumatic stress disorder (PTSD) at some stage in their lives.[1]}}{{RoundBoxBottom}}

Post-Traumatic Stress Disorder (PTSD) is a significant public health concern that can develop after severe or life-threatening trauma, with sub-communities such as military personnel having an increased likelihood of representation (Boska et al., 2025). Its emotional impact is shaped largely by emotional dysregulation, in which individuals struggle to manage intense adverse feelings such as guilt, fear or shame (Westphal et al., 2017). These can trigger a destructive cycle of cognitive and behavioural avoidance as individuals attempt to reduce overwhelming distress. However, avoidance can strengthen fear networks and prevent the adaptive processing of traumatic memories. As a result, maladaptive stress responses like hypervigilance may persist, increasing psychological vulnerabilities that limit social adaptation, personal wellness, and the possibility of long-term recovery (Efremov, 2025).

=== Chapter learning feature: Predict the outcome ===
{{RoundBoxTop|theme=3}}
Andriy, a soldier with PTSD encounters a violent, trauma-related image. His emotional system predicts: TRAUMA CUE - DANGER - DISTRESS - AVOID  

However, in an emerging immersive PTSD treatment, Andriy instead walks towards the image, while remaining in a controlled and safe environment.

What might happen to Andriy when the expected danger does not occur?

A. His fear response becomes stronger.

B. His memory cannot change once it has been formed.

C. The mismatch between expected danger and safety may create an opportunity for new emotional learning.

Think about it: If approaching rather than avoiding trauma can create new learning, what role might emotion regulation, fear extinction, prediction error and memory reconsolidation play?

Keep your answer and thoughts in mind as you read the chapter below and explore the evidence for these mechanisms, and their role in immersive PTSD treatment.{{RoundBoxBottom}}

PTSD often leaves individuals caught between a desire for relief and powerful emotional responses that can drive avoidance, in turn becoming a core barrier to recovery  (de Haart et al., 2026; van Gelderen et al., 2018). Emerging immersive interventions such as [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] (VRET) and Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), address this barrier by creating controlled environments in which trauma cues can be safely approached rather than avoided (van Gelderen et al., 2018; Wiederhold &amp; Wiederhold, 2025). van Gelderen et al. (2018) suggest that these technologies foster presence, or the illusion of being there, which can increase engagement and support emotional processing . For example, by physically walking toward trauma-related images, patients perform [[wikipedia:Fear|Fear]] Antagonistic Actions  (de Haart et al., 2026). de Haart et al. (2026), propose that this approach to behaviour maximises the mismatch between expected threat and actual safety, allowing traumatic memories to be reconsolidated in a less distressing form and ultimately promoting psychological recovery.

{{RoundBoxTop|theme=2}}
'''Focus questions'''

* Why is emotional processing important in PTSD?
* How might immersive therapies influence the emotional processes underlying PTSD? 
* How do virtual reality (VR) and 3MDR translate psychological mechanisms into treatment?
* What does the research evidence tell us about immersive treatment effects and limitations?
{{RoundBoxBottom}}

== Why is emotional processing important in [[wikipedia:Post-traumatic_stress_disorder|PTSD]]? (500-550wds) ==

=== Understanding PTSD and emotions ===
''(Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022;'' 

* ''PTSD and the cycle of avoidance''
* cognitive avoidance
* intrusive memories
* avoidance, hyper arousal, negative emotional challenges and changes

=== Why treatment can be difficult ===

* ''barriers in traditional treatment'' 
* ''failure rates in response to treatment -'' ''up to 39.2% of patients fail to respond and military drop out rates are estimated between 16-48% (de Haart et al., 2026)'' 
* ''difficulties in engaging with emotional processing for fear extinction''
* Emotion regulation - not just what sufferes of PTSD may lack, but maybe also something that can change through treatment.

=== Why avoidance matters ===

* ''Therapy is trying to disrupt the process of trauma-distress,avoidance,short term relief,, reduced opportunity for learning, persistence of symptoms.''

**

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== How might immersive therapies influence emotional processes? (700 words) ==

* ''Section introduction''
** ''Introduce concepts such as multisensory presence and engagement''
** ''embodied cognition, divergent thinking, body states''

* Lopez, Vermetten &amp; Van Gelderen

=== What is immersive therapy&lt;ref&gt;{{Cite journal|date=2026-06-01|title=Immersion therapy|url=https://en.wikipedia.org/w/index.php?title=Immersion_therapy&amp;oldid=1357152847|journal=Wikipedia|language=en}}&lt;/ref&gt;? ===

* ''the nature of immersive interventions (Felemban et. al, 2026; López-Ojeda, W., &amp; Hurley, R. A. 2022; Weiderhold et al, 2024)''
** ''maybe room to introduce or reference some UC PhD work by Ravi here or draw on his experience and research''
** ''Virtual reality exposure therapy'' 
** ''3MDR''
** ''mechanisms of change - presence, embodiment, side-by-side, activating''
** ''prediction error - re-consolidation of traumatic memory (Vermetten et al., 2025; van Gelderen et al., 2018)''

=== Emotional processing and PTSD ===

* ''[[wikipedia:Transdiagnostic_process|Transdiagnostic]] emotion dsyregulation - Elkit &amp; Dahl, 2025;''
** ''loose ability to modulate emotions - guilt, fear, shame''
** ''reduction in coping strategies - individuals trapped in states of high combat readiness''
* ''Memory network activation''
** ''Activation of brains salience and central executive networks''
** ''use of cues - photographs, music,''
** ''trauma retrival''
[[File:Avoidance and Processing Cycles.png|right|500x500px|thumb|'''Figure 2'''. Highlights the typical flow of an avoidance cycle and the anticipated positive responses generated via immersive therapies. Based on concepts introduced in journal articles by Lopez-Ojeda et al. (2022), Felemban et al. (2026), and Vermetten et. al. (2025).]]

=== Avoidance and emotional confrontation ===

* ''Bypassing avoidance cycle''
** ''activating side by side partnerships''
* ''Fear agnostic actions (de Haart, 2026: Van Geldere et al., 2018)''
** ''walking towards trauma, not away''
** ''3MDR introduces the physical movement''
** ''Approach behaviour - dissolving a natural tendency to pull away from distress''

{{RoundBoxTop|theme=2}}Moving from emotional avoidance to emotional processing. 

People with PTSD may avoid thoughts, memories and situations that trigger distress. Psychology theory suggests that emotion regulation shapes how individuals respond to their environment (Trejo et al., 2015). In Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR), the act of physically walking toward a virtual trauma stimulus may serve as a physical counterpoint to emotional avoidance. In turn, this can create a prediction error that could help update traumatic memories with experiences of safety (de Haart et al., 2026). Of consequence, is that an individuals emotional regulation may also improve throughout treatment, regardless of the PTSD outcomes: a trial of 62 adults with severe PTSD (including childhood sexual trauma) found that intensive trauma treatment improved emotion-regulation abilities despite severe baseline difficulties (van Toorenburg et al., 2020). 
{{RoundBoxBottom}}

=== Fear [[wikipedia:Extinction_(psychology)|extinction]] and inhibitory learning ===

* ''Create safe associations''
* ''inhibitory learning - suppress fear response''
* ''Maximise prediction errors''
* ''consolidate extinction learning via increasing [[wikipedia:Brain-derived_neurotrophic_factor|brain derived neurotropic factor]] (BNDF)''

=== [[wikipedia:Memory_consolidation|Memory reconsolidation]] ===

* ''[[wikipedia:Lability|Labile]] or [[wikipedia:Malleability_of_intelligence|malleable]] state of memory''
** ''introducing safe or contextual information - reconsolidate memory''
* ''Taxing working memory''
** ''dual attention tasks''
* ''Linguistic shifts''
** ''[[wikipedia:Affect_labeling|Affective labelling]]'' 
** ''[[wikipedia:Marker_(linguistics)|linguistic markers]] - shift from past tense to present tense''
** ''increased ability to articulate emotional states''

== How do VR and 3MDR translate psychological mechanisms into treatment? (600-650 wds) ==

* ''Introduction''
** ''Facilitating psychological change''
** ''Emotional processing theory and inhibitory learning''
** ''Highly controlled environments''
** ''Overcoming treatment barriers - depending on how I write paragraph above in why treatment can be difficult''
*** ''Cognitive and behavioural barriers''
*** ''failure rates - new information - maybe a bit more on military angle?''
** ''Enhancing memory accessibility''
*** ''precise retrieval of traumatic memory networks''
*** ''patient selected cues''

=== [[wikipedia:Virtual_reality_therapy|Virtual Reality Exposure Therapy]] ===

* ''Reconstructing trauma - safe and regulated context''
** ''controlled, graded and personal''
* ''bypassing imagination challenges - amnesia, struggling to engage with visualisation techniques of standard treatments''
* ''Clinical efficacy''
* ''(Macey, 2026; Felemban, 2026, van Gelderen)''

=== Presence and emotional activation ===

* ''Illusion of being there - user experience presence (Kukharuk et al. 2025)''
* ''multisensory - visual, auditory, haptic, movement, scent (Lopes et al. 2025)''
* ''Psychological habitation - virtual transfer of emotions and stimuli previously avoided to a safe space or trauma reminder (Kukharuk et al. 2025)''
* Links between emotion regulation as an antecedent to [[wikipedia:Optimism|optimisim]] (Trejo et al. 2015)
** affect illusion and predictive values
** broaden and build a upward spiral of emotion

=== 3MDR ===

* ''(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.''
* ''Activating Context - shift from sedentary, face to face therapy, to one of movement and side by side, where patient and therapist can view the virtual environment together.'' 
* ''three phase protocol -  pre platform, platform exposure and post platform reconsolidation''
* ''Break through potential?''

=== [[wikipedia:Embodied_cognition|Embodied cognition]] and recovery impact ===

* ''Mind body interaction with the environment''
** ''Fear agnostic actions''
** ''boosting divergent thinking and linguistic shifts''
* ''Modulating stress responses (Osman et al. 2016)''
* ''Bypassing avoidance (Boska et al. 2025)''

== What are the effects of immersive therapy? (500-550wds) ==

* ''Reductions in symptom severity enhanced emotional engagement and disruption of maladaptive avoidance patterns''
* ''create presence and facilitate fear extinction and memory reconsolidation''
* ''cognitive gains in divergent thinking and sustained attention (Lopes and Vermetten)''

=== What does the VR evidence show? ===

* ''Clinical efficiacy - meta analysis of 444 veterans - pooled mean difference in pre-post comparison - use Felemben 2026 efficacy study data here'' 
* ''comparison to standard PTSD care''
* ''non-exposure stabilisation - use the Ukraine study of non-exposure 360 degree VR producing rapid mood improvements and reductions in anxiety and depression (Kukharuk, 2025)''
* ''Multi sensory benefits''

=== What does the 3MDR evidence show? ===

* ''showing effective for complex, treatment resistance cases''
* ''assists in breakthrough from failed standard treatments''
* ''lingustic progress''
* ''acceptability of treatment - significant difference in drop out rates'' 

=== What are the limitations? ===
''Wellness vs disease models - prioritise post traumatic growth&amp; optimism (Niles et al, 2023)''

* ''Methodological [[wikipedia:Heterogeneity_(disambiguation)|heterogeneity]] - major variations in session structure, hardaare and processes followed''
* ''difficult to draw definitive conclusions''
* ''sample size constraints''
* ''lack of long term data''
* ''structural barriers and cost of material and equipment''
* ''technical side effects - e.g motion or cyber sickness''
* ''generalisability of outcomes - predominately white, military male populations - may not be directly transferable to diverse civilian groups or gender spectrums.'' 

=== Ukraine War: an applied example. ===
{{RoundBoxTop|theme=2}}Scenario: The Hotspots of War

Andriy* used to be a baker from Kyiv and is now a volunteer in the Ukrainian Armed Forces. Like thousands of his fellow soldiers, he had no prior military training and is now struggling with the crushing weight of hyper-vigilance, anxiety, and depression (Kukharuk et al., 2025). Traditional ‘talk’ therapy feels impossible and his mind is in a constant state of combat readiness, even the quietest room can pose a threat.

Andriy has begun his third week of treatment at the Veterans Mental Health and Rehabilitation Centre in Kyiv. During the Pre-platform Preparation phase, he worked closely with his therapist to identify what the Multi-Modular Motion Assisted Memory Desensitisation and Reconsolidation (3MDR) manual calls a ‘hotspot’. He has selected seven specific, painful memories, each represented by photographs.

[[File:US Army 53481 Virtual Tech Makes Recovery a Reality at Walter Reed.jpg|US_Army_53481_Virtual_Tech_Makes_Recovery_a_Reality_at_Walter_Reed]]
''Figure 1''. A military veteran views a digital scene while harnessed to a platform

Now, Andriy steps onto the 3MDR platform. Instead of sitting, he is harnessed to a treadmill, with his therapist standing by his side as a partner, both are facing a large panoramic screen. As Andriy begins to walk at a steady walking pace, his self-selected warm-up music, this one a familiar song from his last front line deployment, begins to play. This is deliberate as it is intended to keep him in touch with his traumatic memory network (Vermetten et al., 2025).

A virtual, digital tunnel appears, and at its end, the first of his hotspot images grows until it fills his field of vision. As he physically approaches the memory, his therapist asks three structured questions (Vermetten et al., 2025):

1.	What do you SEE in the picture?
2.	What does the picture TELL you?
3.	What do you FEEL in your body NOW?

When Andriy identifies a surge of shame, the word GUILT is digitally placed onto the screen as an affective label. Immediately after he reads the label aloud, an oscillating red ball begins to move across the image. Andriy must call out the numbers appearing on the ball while maintaining focus on his emotional state. This dual-attention task is designed to tax his working memory, competing for limited cognitive resources and reducing the vividness and emotional intensity of the trauma.

By the end of the 60-minute session, as he transitions to his cool-down music, Andriy feels a profound shift. Through the mechanisms of embodied cognition, he has physically walked toward what he used to avoid, creating a mismatch between his expectation of threat and his current safety. He finishes the session with a sense of moving forward, having transformed a rigid, stuck memory into a manageable narrative

*Andriy is a fictional name used for this Wiki scenario and given to one of the 69 male Ukrainian veterans who participated in a 2023 Randomised Controlled Trial in Kyiv. Many were demobilised after one year because of mental or neurological injuries (Kukharuk et al., 2025). 

{{RoundBoxBottom}}

== Conclusion ==

* ''PTSD involves disrupted emotional processing''
* ''immersive therapy provides an opportunity to approach vs avoid trauma''
* ''a number of psychological mechanisims can contribute towards the desired change''
* ''evidence is beginning to support positive effects, but sample sizes, timeframes and different methods mean understanding WHY is difficult. If we don't know WHY, risk false generalisations and opportunity cost of expensive treatment programs etc''
* ''immersion techniques are simply the tool being used, not the psychological mechanism of change''

== See also ==
[[Evidence-based assessment/Posttraumatic stress disorder (disorder portfolio)]] (Wikiversity)

[[Motivation and emotion/Textbook/Emotion/Anxiety]] (Wikiversity)

[[Motivation and emotion/Book/2019/Phobias]] (Wikiversity Book Chapter)

[[Motivation and emotion/Book/2024/Sense hacking]] (Wikiversity Book Chapter)

== References ==
{{Hanging indent|{{Hanging indent|1= the full list of references}}
Boska, R. L., Bishop, T. M., Capron, D. W., Paxton Willing, M. M., &amp; Ashrafioun, L. (2025). Difficulties with emotion regulation within ptsd clusters and moral injury subtypes. Military psychology, 37(2), 159-167. https://doi.org/10.1080/08995605.2024.2322904

Bothe, T., Jacob, J., Kröger, C., &amp; Walker, J. (2020). How expensive are post-traumatic stress disorders? Estimating incremental health care and economic costs on anonymised claims data. Eur J Health Econ, 21(6), 917-930. https://doi.org/10.1007/s10198-020-01184-x

Davis, L. L., Schein, J., Cloutier, M., Gagnon-Sanschagrin, P., Maitland, J., Urganus, A., Guerin, A., Lefebvre, P., &amp; Houle, C. R. (2022). The economic burden of posttraumatic stress disorder in the united states from a societal perspective. The Journal of clinical psychiatry, 83(3), 21m14116. Retrieved 2022/04//, from http://europepmc.org/abstract/MED/35485933
https://www.psychiatrist.com/read-pdf/40672
https://doi.org/10.4088/JCP.21m14116 

de Haart, R., Daniels, J. K., Timmerman, M. E., Cath, D. C., &amp; Lommen, M. J. J. (2026). Augmenting virtual reality exposure for ptsd with physical activity: Study protocol of a randomised controlled trial. European Journal of Psychotraumatology, 17(1), 2605803. https://doi.org/10.1080/20008066.2025.2605803

Efremov, A. (2025). Age-specific mental health profiles of combat veterans: Post-traumatic stress disorder and related disorders. Journal of Rational-Emotive &amp; Cognitive-Behavior Therapy, 44(1), 4. https://doi.org/10.1007/s10942-025-00637-7

Kukharuk, O., Tkalich, K., Kamash, N., &amp; Georgiou, O. (2025). Effectiveness of immersive vr therapy in reducing stress-associated symptoms in ukraine. European Journal of Psychotraumatology, 16(1), 2488097. https://doi.org/10.1080/20008066.2025.2488097

López-Ojeda, W., &amp; Hurley, R. A. (2022). Extended reality technologies: Expanding therapeutic approaches for ptsd. The Journal of Neuropsychiatry and Clinical Neurosciences, 34(1), A4-5. https://doi.org/10.1176/appi.neuropsych.21100244

Lopes, M. K. S., Perreault, L., Jesus, B. J. d., Roberge, M. C., &amp; Falk, T. H. (2025, 30 Sept.-2 Oct. 2025). Subjective and objective evaluation of the benefits of multisensory virtual nature immersion for patients with post-traumatic stress disorder. 2025 17th International Conference on Quality of Multimedia Experience (QoMEX), 

Magnussen, A., &amp; Dey, T. (2025). The economic burden of ptsd in veterans: Why cost of illness studies matter. https://www.bdo.com.au/en-au/insights/advisory/economics/the-economic-burden-of-ptsd-in-veterans-why-cost-of-illness-studies-matter 

Montgomery-Marks, P., Bandyopadhyay, S., Weisman, C. B., &amp; Bose, T. (2025). Economic burden of ptsd in the uk: A systematic review and economic analysis. BMJ Open, 15(7), e084394. https://doi.org/10.1136/bmjopen-2024-084394

Osman, A., Paczynski, M., &amp; Jha, A. P. (2016). Affective expectations influence neural responses to stressful images in soldiers. Military psychology, 29(1), 41-57. https://doi.org/10.1037/mil0000128

Trejo, B. C., Richard, E. M., van Driel, M., &amp; McDonald, D. P. (2015). Cross-cultural competence: The role of emotion regulation ability and optimism. Military psychology, 27(5), 276-286. https://doi.org/10.1037/mil0000081

van Gelderen, M. J., Nijdam, M. J., &amp; Vermetten, E. (2018). An innovative framework for delivering psychotherapy to patients with treatment-resistant posttraumatic stress disorder: Rationale for interactive motion-assisted therapy. Frontiers in Psychiatry, Volume 9 - 2018. https://doi.org/10.3389/fpsyt.2018.00176

van Toorenburg, M. M., Sanches, S. A., Linders, B., Rozendaal, L., Voorendonk, E. M., Van Minnen, A., &amp; De Jongh, A. (2020). Do emotion regulation difficulties affect outcome of intensive trauma-focused treatment of patients with severe ptsd? European Journal of Psychotraumatology, 11(1), 1724417. https://doi.org/10.1080/20008198.2020.1724417

Vermetten, E., Burback, L., Sevigny, P. R., Nijdam, M. J., Winkler, O., Espejo, E., Sessoms, P., Bright, K., Roy, M. J., &amp; Brémault-Phillips, S. (2025). Brief manual for multi-modal motion-assisted memory desensitization and reconsolidation therapy for the treatment of post-traumatic stress disorder. Psychiatry and clinical psychopharmacology, 35(Suppl1), S122. https://doi.org/DOI:10.5152/pcp.2025.241028

Westphal, M., Aldao, A., &amp; Jackson, C. (2017). Emotion dysregulation in comorbid posttraumatic stress disorder and substance use disorders: A narrative review. Military Psychology, 29(3), 216-233. https://doi.org/10.1037/mil0000157

Wiederhold, B. K., &amp; Wiederhold, M. D. (2025). Virtual reality therapy combined with physiological monitoring provides effective treatment, with objective metrics, for post-traumatic stress disorder. Expert Review of Medical Devices, 22(2), 117-119. https://doi.org/10.1080/17434440.2025.2454930
}}

== External links ==
'''Web:''' National Center for PTSD (USA) https://www.ptsd.va.gov/index.asp

'''Web:''' Australian Government Health advice - PTSD https://www.healthdirect.gov.au/post-traumatic-stress-disorder-ptsd

'''Web:''' Australian Royal Commission into Defence and Veteran Suicide: Final Report&lt;nowiki/&gt;https://defenceveteransuicide.royalcommission.gov.au/publications/final-report

'''Podcast:''' Post-traumatic stress disorder (PTSD)https://shows.acast.com/5c3353e484e2e79370e1d135/5c3353ef84e2e79370e1d13c

'''Video:''' 3MDR: Virtual reality treatment for veterans with PTSD https://www.youtube.com/watch?v=bD43R_oa6qo

'''Video:''' VR Exposure for Combat PTSD with EMDR Integration https://www.youtube.com/watch?v=jL2bKmniMTc

'''Final Report:''' Randomised control trial of 3MDR for treatment of resistant PTSD in military veterans&lt;nowiki/&gt;https://www.ncmh.info/wp-content/uploads/2020/05/Cardiff-3MDR-Study-Final-Report-with-cover-21.5.20.pdf

== Key points ==
For the topic development, for each heading and sub-heading:

* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:

# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:

* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

*

== Figures ==
[[File:Thought_bubble.svg|right|thumb|157x157px|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[c:|Wikimedia Commons]]
* Images can be uploaded to [[c:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

== Learning features ==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}

; Scenarios

* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[User talk:StretchBeyond#Feature boxes|feature boxes]]

{{anchor|Feature box}}

; Feature boxes

* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[User talk:StretchBeyond#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

; Embedded links

* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[wikipedia:Dreams|dreams]]) of dreams was provided by [[wikipedia:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}

; Tables

* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;&quot;
!
!Known to self
!Not known to self
|-
|'''Known to others'''
|Open area
|Blind spot
|-
|'''Not known to others'''
|Hidden area
|Unknown
|}

; Quizzes

* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=&quot;simple&quot;&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

== Conclusion ==

* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[User talk:StretchBeyond#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?}}

== See also ==
Provide [[Help:Contents/Links#Interwiki links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[wikipedia:|Wikipedia articles]]. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[wikipedia:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses}}

== References ==
This section lists the cited references in [[wikipedia:APA style|APA style]] (7th ed.) or [[wikipedia:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted}}

== External links ==
Provide [[Help:Contents/Links#External links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[wikipedia:Letter case#Sentence_casing|sentence casing]] and alphabetical order. For example:

* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Psychotherapy]
[[Category:Motivation and emotion/Book/Trauma]]
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== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|right|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]


As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*
*
*
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==

*

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|left|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]


As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*sexual arousal is needed because: .... 
*males generally experience sexual arousal when ....
*females generally experience sexual arousal when ....
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female|250x250px]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==

*

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|left|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]


As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*sexual arousal is needed because: .... 
*males generally experience sexual arousal when ....
*females generally experience sexual arousal when ....
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female|250x250px]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==

*

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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}}

== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|left|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]

As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*sexual arousal is needed because: .... 
*males generally experience sexual arousal when ....
*females generally experience sexual arousal when ....
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female|250x250px]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==

*

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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}}

== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|left|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]

;Scenario

As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*sexual arousal is needed because: .... 
*males generally experience sexual arousal when ....
*females generally experience sexual arousal when ....
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female|250x250px]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==

*

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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}}

== Overview ==
{{RoundBoxTop|theme=4}} 
[[File:ChatGPT Image Aug 18, 2026, 10 10 45 PM.png|left|thumb|150px|'''Figure 1'''. Image depicting sexual arousal between a female and male]]

;Scenario

As John Gray once said &quot;men are from mars and women are from venus.&quot; 

Think, Emma and Daniel have been dating for several months. They are attracted to each other, but their sexual desire emerge differently. Daniel is often aroused by Emma at the simple sight of her. Early in the relationship, Daniel was finding that it was taking longer for Emma to be sexually interested in him and thought that Emma was less attracted to him. Emma explains that she is attracted to him, but her arousal tends to build in response to how he treats her.  {{RoundBoxBottom}}__TOC__Between 1938 to 1954, Alfred Kinsey produced two reports detailing how biological and social factors influence variations in human sexual desire and activity. The reports were designed to establish an empirical foundation to assist future clinicians, educators, and legal authorities concerning what humans actually experience during sexual activities, which was lacking before and during Kinsey's time.


''Explanation of the problem, issue, or topic: Briefly explain the problem, why it is important, and outline how psychological science can help.''

*sexual arousal is needed because: .... 
*males generally experience sexual arousal when ....
*females generally experience sexual arousal when ....
{{RoundBoxTop|theme=4}}
'''Focus questions'''
* What is sexual arousal?
* Why do males and females need to be sexually aroused?
* What factors influence sexual arousal in males and females? 
* Why is understanding sexual arousal important? {{RoundBoxBottom}}
[[File:Girl with a Pearl Earring.jpg|thumb|Figure 2. Painting of a Female - Some people have found that it radiates an intense and captivating intimacy.]]

== Concept of Sex &amp; Sexual Arousal ==
'''Concept of Sex'''

* Sex, in the context of human biology, generally refers to the fundamental categories of human species that are, in the broad sense, concerned with a combination of various biological traits that are unique to a subcategory of human species. 
* There are currently two recognised sexes in humans which are assigned at birth, males and females.
* Females refer to humans which are biologically organised for the production and function of an ova, whereas males refer to humans organised for the production and function of sperm (Stévant et al., 2018; Ivan et al., 2022).

'''Concept of Sexual Arousal'''

* Sexual arousal refers to the mental and physical response cultivated by subjective stimulation that prepares the body for reproductive behaviour and supports subjective feelings of desire (Calabrò et al., 2019, p. 1).

*Sexual arousal can serve as a motivational system for sexual behaviour which are likely to be shaped by learned associations, language, and social meanings rather than being determined solely by biological reproductive mechanisms (Roche &amp; Barnes-Holmes, 2002).
*human adults can learn new sexual arousal cues by conditioning (T. Klucken ''et al.''Neural activations of the acquisition of conditioned sexual arousal: effects of contingency awareness and sex) - software and hardware develop through many years of personal experiences. 

== Sexual Arousal in Males ==
[[File:Tor-Arne Moen Natural selection.jpg|thumb|Figure 3. Male veiwing visual stimulus]]
*In males, greater solitary desire predicted stronger genital sensations, whereas higher masturbation frequency was associated with lower reported genital sensations (Sánchez-Pérez et al., 2026).
*Bisexual-identified men are not a uniform group. On average, bisexual men showed arousal to both male and female stimuli, supporting the existence of bisexual arousal but many tend to show stronger arousal to one sex than the other especially when they knowingly lean towards one sex than the other.
*Bisexual men display significantly greater variation in arousal patterns than heterosexual or homosexual men (Slettevold et al., 2019). 

== Sexual Arousal in Females ==
[[File:Potrait painting.jpg|thumb|Figure 4. Shy female|250x250px]]
*Sexual arousal in females serves as a coordinated psychophysiological response that prepares the body for sexual activity. Important component of human sexual functioning and reproductive processes (Lake Polan et al., 2003; Adebisi &amp; Carlson, 2024).
*More frequent masturbation was linked to stronger genital responses and higher subjective sexual arousal and the rewarding quality of orgasm was associated with stronger genital sensations (Sánchez-Pérez et al., 2026).
*Heterosexual women showed greater genital arousal to images of erect penises than to images of aroused vulvas - demonstrates that sexual arousal is strongly influenced by both the gender of a sexual stimulus and visible signs of sexual readiness (Spape et al., 2014).
*Sexual desire fluctuates substantially in both men and women. Men and women experience remarkably similar short term fluctuations and similarly influenced by emotional and relationship factors (Harris et al., 2023).

== Value of Understanding Sexual Arousal ==

*
*
*

== Learning features ==
{{RoundBoxTop|theme=4}} 
&lt;quiz display=simple&gt; 
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==

*
*
*

==See also==

* [[wikipedia:Sexual_arousal|Sexual arousal]] (Wikipedia).
* [[Motivation and emotion/Book/2016/Sexual motivation and hormones|Sexual motivation and hormones: What role do hormones play in sexual motivation and sexual arousal]] (Book Chapter, 2016).

==References==
Adebisi, O. Y., &amp; Carlson, K. (2024). Female sexual interest and arousal disorder. In ''StatPearls''. StatPearls Publishing.

Calabrò, R. S., Cacciola, A., Bruschetta, D., Milardi, D., Quattrini, F., Sciarrone, F., Rosa, G., Bramanti, P., &amp; Anastasi, G. (2019). Neuroanatomy and function of human sexual behavior: A neglected or unknown issue? ''Brain and Behavior'', ''9''(12). &lt;nowiki&gt;https://doi.org/10.1002/brb3.1389&lt;/nowiki&gt;

Ivan, S., Daniela, O., &amp; Jaroslava, B. D. (2022). Sex differences matter: Males and females are equal but not the same. ''Physiology &amp; Behavior'', ''259''(Volume 259), 114038. &lt;nowiki&gt;https://doi.org/10.1016/j.physbeh.2022.114038&lt;/nowiki&gt;

Lake Polan, M., Desmond, J. E., Banner, L. L., Pryor, M. R., McCallum, S. W., Atlas, S. W., Glover, G. H., &amp; Arnow, B. A. (2003). Female sexual arousal: A behavioral analysis. ''Fertility and Sterility'', ''80''(6), 1480–1487. &lt;nowiki&gt;https://doi.org/10.1016/s0015-0282(03)02210-6&lt;/nowiki&gt;

Roche, B., &amp; Barnes-Holmes, D. (2002). Human sexual arousal: A modern behavioral approach. ''The Behavior Analyst Today'', ''3''(2), 145–154. &lt;nowiki&gt;https://doi.org/10.1037/h0099973&lt;/nowiki&gt;

Slettevold, E., Holmes, L., Gruia, D., Nyssen, C. P., Watts-Overall, T. M., &amp; Rieger, G. (2019). Bisexual men with bisexual and monosexual genital arousal patterns. ''Biological Psychology'', ''148'', 107763. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2019.107763&lt;/nowiki&gt;

Spape, J., Timmers, A. D., Yoon, S., Ponseti, J., &amp; Chivers, M. L. (2014). Gender-specific genital and subjective sexual arousal to prepotent sexual features in heterosexual women and men. ''Biological Psychology'', ''102'', 1–9. &lt;nowiki&gt;https://doi.org/10.1016/j.biopsycho.2014.07.008&lt;/nowiki&gt;

Stévant, I., Papaioannou, M. D., &amp; Nef, S. (2018). A brief history of sex determination. ''Molecular and Cellular Endocrinology'', ''468'', 3–10. &lt;nowiki&gt;https://doi.org/10.1016/j.mce.2018.04.004&lt;/nowiki&gt;

Sánchez-Pérez, G. M., Granados, R., Mangas, P., Cervilla, O., &amp; Sierra, J. C. (2026). Validation of masturbation parameters: A laboratory study measuring psychophysiological and subjective sexual arousal. ''International Journal of Clinical and Health Psychology'', ''26''(1), 100662. &lt;nowiki&gt;https://doi.org/10.1016/j.ijchp.2025.100662&lt;/nowiki&gt;

==External links==

* [https://www.webmd.com/sex/features/sex-drive-how-do-men-women-compare Sex Drive: How do Men and Women Compare?] (Webmd.com). 
* [https://open.spotify.com/episode/41K95dG0MnHux15rtwywMl?si=A4zCgSxSS9KB10REgbA_dg Women's sexual health: desire, arousal, and orgasms, navigating pre-menopause, and enhancing satisfaction] (Spotify.com).
* [https://open.spotify.com/episode/2plfCfD98Now1GMjadaKKq?si=XnkE8OvuSrSfJ-v-NQ9K-w Episode 16: What we get wrong about men's sexual desire] (Spotify.com). 

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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Perfectionism]]
[[Category:Motivation and emotion/Book/Procrastination]]</text>
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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Perfectionism]]
[[Category:Motivation and emotion/Book/Procrastination]]</text>
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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
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A current unit u3224236 is studying is Motivation and Emotions. For this unit, this user is contributing to the [[Motivation and emotion/Book/2026/Melatonin and seasonal mood]] page.</text>
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U3224236 is a student of University of Canberra currently studying to pursue a Bachelors of Psychology. 

A current unit u3224236 is studying is Motivation and Emotions.

== Book Chapter ==
For this unit, this user is contributing to the [[Motivation and emotion/Book/2026/Melatonin and seasonal mood]] page.

== Social Contribution ==</text>
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U3224236 is a student of University of Canberra currently studying to pursue a Bachelors of Psychology. 

A current unit u3224236 is studying is [[Motivation and emotion/Assessment/Chapter|Motivation and Emotions]].

== Book Chapter ==
For this unit, this user is contributing to the [[Motivation and emotion/Book/2026/Melatonin and seasonal mood]] page.

== Social Contribution ==</text>
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U3224236 is a student of [https://www.canberra.edu.au/University&amp;#x20;of&amp;#x20;Canberra University of Canberra] currently studying to pursue a Bachelors of Psychology. 

A current unit u3224236 is studying is [[Motivation and emotion/Assessment/Chapter|Motivation and Emotions]].

== Book Chapter ==
For this unit, this user is contributing to the [[Motivation and emotion/Book/2026/Melatonin and seasonal mood]] page.

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U3224236 is a student of [https://www.canberra.edu.au/University&amp;#x20;of&amp;#x20;Canberra University of Canberra] currently studying to pursue a Bachelors of Psychology. 

A current unit u3224236 is studying is [[Motivation and emotion/Assessment/Chapter|Motivation and Emotions]].

== Book Chapter ==
For this unit, this user is contributing to the [[Motivation and emotion/Book/2026/Melatonin and seasonal mood|Melatonin and Seasonal Mood]] page.

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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
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}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Dopamine And Sensation-Seeking?==

=== What Is Dopamine? ===

=== What is Sensation-Seeking? ===
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

== Key Points ==

* What is dopamine?.
* What is sensation-seeking?.
* Why they are important.

== The Neurobiological Mechanics ==

== Key Points ==

* What parts of the brain create dopamine and sensation-seeking.
* How they connect and interact with each other.
* Research and theories.

== The Relationship Of Dopamine And Sensation-Seeking ==

==Key points==
* How Dopamine and Sensation-seeking work outside of the body.
* How this affects individual with high risk-taking.
*

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
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Hello! My name is Emery (''they/them''). I'm currently in my third year of a Bachelor of Science in Psychology at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+2025&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!730846586532!e!!g!!uc!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqshcOMXXWt6ksbaBc8VcHpk1&amp;gclid=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE University of Canberra], Australia. I aspire to undertake further postgraduate study to become a clinical psychologist. 

My hobbies include:

* Reading 
* Walking in nature
* Spending time with family

== Book chapter ==
I am currently writing a book chapter on [[Motivation and emotion/Book/2026/Introjection and guilt-based motivation|Introjection and guilt-based motivation]] for my unit on [[Motivation and emotion]].

== Social contributions ==

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Hello! My name is Emery (''they/them''). I'm currently in my third year of a Bachelor of Science in Psychology at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+2025&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!730846586532!e!!g!!uc!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqshcOMXXWt6ksbaBc8VcHpk1&amp;gclid=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE University of Canberra]. I aspire to undertake further postgraduate study to become a clinical psychologist. 

My hobbies include:

* Reading 
* Walking in nature
* Spending time with family

== Book chapter ==
I am currently writing a book chapter on [[Motivation and emotion/Book/2026/Introjection and guilt-based motivation|Introjection and guilt-based motivation]] for my unit on [[Motivation and emotion|Motivation and Emotion]].

== Social contributions ==

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Hello! My name is Emery (''they/them''). I'm currently in my third year of a [https://www.canberra.edu.au/course/780AA/4/2026 Bachelor of Science in Psychology] at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+2025&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!730846586532!e!!g!!uc!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqshcOMXXWt6ksbaBc8VcHpk1&amp;gclid=CjwKCAjw49vEBhAVEiwADnMbbMzwZeMyhw4M8W7kKO_K83SdokVHj0dUf1k2w3Y5kRIJmylyF8zT9xoCC0sQAvD_BwE University of Canberra]. I aspire to undertake further postgraduate study to become a clinical psychologist. 

My hobbies include:

* Reading 
* Hiking
* Spending time with family

== Book chapter ==
I am currently writing a book chapter on [[Motivation and emotion/Book/2026/Introjection and guilt-based motivation|Introjection and guilt-based motivation]] for my unit on [[Motivation and emotion|Motivation and Emotion]].

== Social contributions ==

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__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Emotional self-regulation]]
[[Category:Motivation and emotion/Book/Social connection]]</text>
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      <text bytes="9749" sha1="4wg2q6znh8ii28u3c6cd8kqrfaddh7f" xml:space="preserve">{{title|Social connection and emotion regulation:&lt;br&gt;How do social relationships help people's emotions?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

'''Key points'''
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==What is Emotional Regulation?==

* Key point 1
* Key Point 2
* Key Point 3

==Loneliness and Poor Social Connections==

* Key point 1
* Key Point 2
* Key Point 3

==What are the Benefits of Social Connections?==

* Key point 1 - subheading for co-regulation
* Key Point 2
* Key Point 3

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Emotional self-regulation]]
[[Category:Motivation and emotion/Book/Social connection]]</text>
      <sha1>4wg2q6znh8ii28u3c6cd8kqrfaddh7f</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Motivations for using sex work services</title>
    <ns>0</ns>
    <id>331102</id>
    <revision>
      <id>2822953</id>
      <parentid>2821914</parentid>
      <timestamp>2026-08-19T04:18:19Z</timestamp>
      <contributor>
        <username>Ckopplemann</username>
        <id>3108346</id>
      </contributor>
      <comment>Title edit</comment>
      <origin>2822953</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9706" sha1="96wqeykre0xlq3j5festm2rqbv7i9bk" xml:space="preserve">{{title|Motivations for using sex work services:&lt;br&gt;What motivates use of sex work services?}}
&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Sexual motivation]]</text>
      <sha1>96wqeykre0xlq3j5festm2rqbv7i9bk</sha1>
    </revision>
  </page>
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    <title>Motivation and emotion/Book/2026/Possible selves and goal pursuit</title>
    <ns>0</ns>
    <id>331115</id>
    <revision>
      <id>2822784</id>
      <parentid>2822193</parentid>
      <timestamp>2026-08-18T17:28:50Z</timestamp>
      <contributor>
        <username>ShakespeareFan00</username>
        <id>6645</id>
      </contributor>
      <minor />
      <origin>2822784</origin>
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      <text bytes="18691" sha1="ndvgu6a0th2k215pg0yp293qdpa9uyq" xml:space="preserve">{{title|Possible Selves and Goal Pursuit:&lt;br&gt;How do possible selves influence motivation and goal-directed behaviour?}}

[[Category:Motivation and emotion/Book/2026]]
[[Category:Motivation and emotion/Book/Goal pursuit]]


__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:Ueber-die-sammlung-19-jahrhundert-caspar-david-friedrich-wanderer-ueber-dem-nebelmeer.jpg|thumb|right|150px|Figure 1. Wanderer above the Sea of Fog]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A brief, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topic''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
[[File:Teens sharing a song.jpg|thumb|'''Figure 1'''. Adolescents enjoying spending time together.]]
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

== Possible selves ==
*what is the psychological construct that is doing the influencing?
*Establishing what they are and why they have motivational significance 
*Introduce Markus and Nurius (1986) Possible Selves theory. Specifically, explaining how possibles selves are future-oriented representations of the self
*Markus and Nurius argue that possible selves connect cognition and motivation because they embody hopes, fears, goals and threats and can provide incentives for behaviour.

=== 1.1 Definition and theoretical origins ===
*Introduce markus and nurius (1986) and explain why possible selves were proposed as an extension of existing understanding of self knowledge
*Markus and nurius as fundamental literature, in which possible selves give self-relevant form to hopes, fears, goals and threats and provide a conceptual link between cognition and motivation
*Establish key propositions that will run throughout the chapter: possible selves may give motivation direction, but processing an imagined future identity does not necessarily produce goal-directed action. More recent literature challenges the idea that possible selves directly cause behaviour 10.1111/j.1467-6494.2006.00424.x

=== 1.2 forms and content of possible selves (could be combined into 1.1) ===
*Explain hoped-for possible selves as desirable future identities that people would like to approach i.e., becoming better a pickle ball, becoming thinner, or workplace success
*Explain feared possible selves as undesirable future identities people wish to avoid i.e., becoming unhealthy
*Maybe discuss expected possible selves
*Content of possible selves is shaped by people's experiences and sociocultural circumstances rather than being a manifestation of the isolated self. Cross and Markus found systemic differences in hoped for and feared possible selves across adulthood https://www.researchgate.net/publication/232436255_Possible_Selves_across_the_Life_Span 

=== 1.3 motivational properties of possible selves === 
*Explain how markus and nurius proposal that possible selves can function as incentives for future behavior, giving self-relevant meaning and direction to motives
*Introduce evidence that making possible selves salient can affect subsequent motivation or performance. Find recent research study that investigates the effect of self-relevant future imagery on performance
*Explain how characteristics such as the specificity, accessibility, perceived likelihood and elaboration of the possible self may influence how motivational it becomes. https://www.sciencedirect.com/science/article/abs/pii/S0022103103000295 

== Goal pursuit and self-regulation ==
*Establish why a motivating future identity is not enough by itself. Something must translate the representation into behaviour
*People must initiate, regulate, and sustain behaviour
*Introduce self-regulation as the set of processes through which people organise

=== 2.1 from goals to goal-directed behaviour ===
*Define goal pursuit and distinguish a desired endpoint from the behaviours required to move toward that endpoint.
*Establish the distinction between motivation/intention and action: wanting an outcome does not ensure the behaviours necessary to achieve it. Research on implementation intentions is useful background evidence that specifying how and when to act can help translate goal intentions into action. 10.1037/0003-066X.54.7.493 
*Explain that successful goal pursuit involves processes such as planning, effort, behavioural initiation, persistence and responding to obstacles.
*Connect this immediately back to possible selves: imagining “becoming a psychologist,” for example, only becomes behaviourally consequential if it becomes connected to actions such as studying, seeking experience and completing required training.

=== 2.2 self-regulation in goal pursuit ===
*Define self-regulation, a social-cognitive process at the intersection of metacognition, motivation, and behaviour, encompasses how people conceptualize, strive for, and accomplish their goals. https://link.springer.com/article/10.1007/s11409-020-09255-3 
*Introduce hoyle and sherrills (2006) argument: Possible selves as a component in self-regulatory processes through which motivation and behaviour are influenced. Not simply to be understood as directly causing motivation and behaviour; instead, they can form part of the self-regulatory processes through which motivation and behavior are influenced. https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Explain that a future identity can provide a reference point or direction, while self-regulation provides mechanisms such as planning, behavioural strategies, monitoring and adjustment.
*Finish with the question that launches Section 3: what determines whether a possible self actually becomes an effective component of self-regulation?

== Possible selves in motivated goal pursuit ==
*Center of the chapter
*Investigating the relationship between possible selves in motivated goal pursuit
*Integrate the constructs established in sections 1 and 2 rather than introducing another independent theory
*How self-representations can affect present motivation, decisions and behaviour
*Look at evidence showing that the motivational effects of possible selves are conditional: their content alone is less important than whether they can become effective self-regulatory resources. https://www-sciencedirect-com.ezproxy.canberra.edu.au/science/article/pii/S0092656603000576 

=== 3.1 modelling the relationships ===
*compare Makrus and Nurius and Hoyle and Sherrill self-regulatory interpretation, showing the development from possible selves as incentives toward a more process oriented explanation https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Introduce the MAPS framework 10.1007/s11409-020-09255-3 (use image)
*Possible selves may provide direction and motivational meaning, while self-regulation provides mechanisms through which that imagined future can influence present behaviour
*Answer the question: how?

=== 3.2 when possible selves facilitate goal pursuit ===
*Possible selves are more effective when linked to plausible strategies. Possible selves were associated with better outcomes when they could function as self-regulators rather than merely a positive image 10.1037/0022-3514.91.1.188
*Visualising future selves. Indeed, visualizing a future general success or specific failure led to better performance on an attention task (Study 1) and higher academic motivation (Study 2) than imagining a future general failure or specific success. https://journals.sagepub.com/doi/10.1177/0276236619864275 
*Attainability and agency https://pubmed.ncbi.nlm.nih.gov/33424511/ 
*Context https://doi.org/10.1080/15298868.2014.965733

=== 3.3  when possible selves fail to motivate (may be able to combine with 3.2) ===
*Oyserman roadmap study to explain possible self may not generate behaviour
*“Seeing the destination but not the path”
*Key concept: the motivational value of a possible self lies not merely in imagining the destination, but in whether that future representation can organise effective action in the present

== Harnessing possible selves for goal pursuit ==
*Building capacity for goal pursuit, how understanding these mechanisms allows possible selves to be deliberately used to improve motivation and behaviour

=== 4.1 possible-self interventions === 
*Discuss actual psychological interventions https://pubmed.ncbi.nlm.nih.gov/16834488/ https://pubmed.ncbi.nlm.nih.gov/20733212/ 10.1016/j.lmot.2019.101599 
*Oyserman's school to jobs intervention to demonstrate that possible selves can be deliberately manipulated and linked with strategies, with measurable effects of academic behaviour and outcomes
*Critically compare interventions, mini literature review maybe
*This section answers the question: can people deliberately construct more motivationally effective possible selves? (use this a focus question)

=== 4.2 possible selves to present action ===
*This section uses practical recommendations derived explicitly from the evidence: envision, connect, strategies, act, monitor.
*Could use a learning feature
*“Commitment to an intertemporal relationship with an ideal possible self has similar effects on its continuation as commitment to an interpersonal relationship” in section: functions of commitment to an ideal possible self https://doi.org/10.1111/spc3.12499

== Extra sources: ==
*Possible selves, self regulation and actual social goal progress (2014)
*Best possible self intervention and academic motivation/commitment (2020)
*Identity-based motivation (2015) 

== Conclusion == 
*Possible selves can motivate goal pursuit by giving people personally meaningful future identities to approach or avoid.
*Their influence on behaviour is conditional: possible selves are most effective when they feel attainable and are connected to concrete strategies and self-regulatory processes.
*Psychological interventions may therefore improve goal pursuit by helping people translate imagined future identities into realistic pathways and present action.


==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

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[[Category:Motivation and emotion/Book/2026]]
[[Category:Motivation and emotion/Book/Goal pursuit]]


__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:Ueber-die-sammlung-19-jahrhundert-caspar-david-friedrich-wanderer-ueber-dem-nebelmeer.jpg|thumb|right|150px|Figure 1. Wanderer above the Sea of Fog]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A brief, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topic''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
[[File:Teens sharing a song.jpg|thumb|'''Figure 1'''. Adolescents enjoying spending time together.]]
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

== Possible selves ==
*what is the psychological construct that is doing the influencing?
*Establishing what they are and why they have motivational significance 
*Introduce Markus and Nurius (1986) Possible Selves theory. Specifically, explaining how possibles selves are future-oriented representations of the self
*Markus and Nurius argue that possible selves connect cognition and motivation because they embody hopes, fears, goals and threats and can provide incentives for behaviour.
*Possible selves: theory research and applications: Researchers have found that future possible selves also affect one's current identity (Markius &amp; Nurius, 1986). Possible selves are hypothetical images about one's future, including ideal selves that we would like to become, such as XXX. Theorists believe that possible selves are important because they help people to evaluate their current selves and because they serve to motivate people who behave in ways that will help them attain or avoid their hoped-for or feared possible selves. 
Insert examples. Research has shown that people imagine themselves in the future a great deal of the time and that people are more likely to endorse positive possible selves than negative ones. 


=== 1.1 Definition and theoretical origins ===
*Introduce markus and nurius (1986) and explain why possible selves were proposed as an extension of existing understanding of self knowledge
*Markus and nurius as fundamental literature, in which possible selves give self-relevant form to hopes, fears, goals and threats and provide a conceptual link between cognition and motivation
*Establish key propositions that will run throughout the chapter: possible selves may give motivation direction, but processing an imagined future identity does not necessarily produce goal-directed action. More recent literature challenges the idea that possible selves directly cause behaviour 10.1111/j.1467-6494.2006.00424.x

=== 1.2 forms and content of possible selves (could be combined into 1.1) ===
*Explain hoped-for possible selves as desirable future identities that people would like to approach i.e., becoming better a pickle ball, becoming thinner, or workplace success
*Explain feared possible selves as undesirable future identities people wish to avoid i.e., becoming unhealthy
*Maybe discuss expected possible selves
*Content of possible selves is shaped by people's experiences and sociocultural circumstances rather than being a manifestation of the isolated self. Cross and Markus found systemic differences in hoped for and feared possible selves across adulthood https://www.researchgate.net/publication/232436255_Possible_Selves_across_the_Life_Span 

=== 1.3 motivational properties of possible selves === 
*Explain how markus and nurius proposal that possible selves can function as incentives for future behavior, giving self-relevant meaning and direction to motives
*Introduce evidence that making possible selves salient can affect subsequent motivation or performance. Find recent research study that investigates the effect of self-relevant future imagery on performance
*Explain how characteristics such as the specificity, accessibility, perceived likelihood and elaboration of the possible self may influence how motivational it becomes. https://www.sciencedirect.com/science/article/abs/pii/S0022103103000295 

== Goal pursuit and self-regulation ==
*Establish why a motivating future identity is not enough by itself. Something must translate the representation into behaviour
*People must initiate, regulate, and sustain behaviour
*Introduce self-regulation as the set of processes through which people organise

=== 2.1 from goals to goal-directed behaviour ===
*Define goal pursuit and distinguish a desired endpoint from the behaviours required to move toward that endpoint.
*Establish the distinction between motivation/intention and action: wanting an outcome does not ensure the behaviours necessary to achieve it. Research on implementation intentions is useful background evidence that specifying how and when to act can help translate goal intentions into action. 10.1037/0003-066X.54.7.493 
*Explain that successful goal pursuit involves processes such as planning, effort, behavioural initiation, persistence and responding to obstacles.
*Connect this immediately back to possible selves: imagining “becoming a psychologist,” for example, only becomes behaviourally consequential if it becomes connected to actions such as studying, seeking experience and completing required training.

=== 2.2 self-regulation in goal pursuit ===
*Define self-regulation, a social-cognitive process at the intersection of metacognition, motivation, and behaviour, encompasses how people conceptualize, strive for, and accomplish their goals. https://link.springer.com/article/10.1007/s11409-020-09255-3 
*Introduce hoyle and sherrills (2006) argument: Possible selves as a component in self-regulatory processes through which motivation and behaviour are influenced. Not simply to be understood as directly causing motivation and behaviour; instead, they can form part of the self-regulatory processes through which motivation and behavior are influenced. https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Explain that a future identity can provide a reference point or direction, while self-regulation provides mechanisms such as planning, behavioural strategies, monitoring and adjustment.
*Finish with the question that launches Section 3: what determines whether a possible self actually becomes an effective component of self-regulation?

== Possible selves in motivated goal pursuit ==
*Center of the chapter
*Investigating the relationship between possible selves in motivated goal pursuit
*Integrate the constructs established in sections 1 and 2 rather than introducing another independent theory
*How self-representations can affect present motivation, decisions and behaviour
*Look at evidence showing that the motivational effects of possible selves are conditional: their content alone is less important than whether they can become effective self-regulatory resources. https://www-sciencedirect-com.ezproxy.canberra.edu.au/science/article/pii/S0092656603000576 

=== 3.1 modelling the relationships ===
*compare Makrus and Nurius and Hoyle and Sherrill self-regulatory interpretation, showing the development from possible selves as incentives toward a more process oriented explanation https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Introduce the MAPS framework 10.1007/s11409-020-09255-3 (use image)
*Possible selves may provide direction and motivational meaning, while self-regulation provides mechanisms through which that imagined future can influence present behaviour
*Answer the question: how?

=== 3.2 when possible selves facilitate goal pursuit ===
*Possible selves are more effective when linked to plausible strategies. Possible selves were associated with better outcomes when they could function as self-regulators rather than merely a positive image 10.1037/0022-3514.91.1.188
*Visualising future selves. Indeed, visualizing a future general success or specific failure led to better performance on an attention task (Study 1) and higher academic motivation (Study 2) than imagining a future general failure or specific success. https://journals.sagepub.com/doi/10.1177/0276236619864275 
*Attainability and agency https://pubmed.ncbi.nlm.nih.gov/33424511/ 
*Context https://doi.org/10.1080/15298868.2014.965733

=== 3.3  when possible selves fail to motivate (may be able to combine with 3.2) ===
*Oyserman roadmap study to explain possible self may not generate behaviour
*“Seeing the destination but not the path”
*Key concept: the motivational value of a possible self lies not merely in imagining the destination, but in whether that future representation can organise effective action in the present

== Harnessing possible selves for goal pursuit ==
*Building capacity for goal pursuit, how understanding these mechanisms allows possible selves to be deliberately used to improve motivation and behaviour

=== 4.1 possible-self interventions === 
*Discuss actual psychological interventions https://pubmed.ncbi.nlm.nih.gov/16834488/ https://pubmed.ncbi.nlm.nih.gov/20733212/ 10.1016/j.lmot.2019.101599 
*Oyserman's school to jobs intervention to demonstrate that possible selves can be deliberately manipulated and linked with strategies, with measurable effects of academic behaviour and outcomes
*Critically compare interventions, mini literature review maybe
*This section answers the question: can people deliberately construct more motivationally effective possible selves? (use this a focus question)

=== 4.2 possible selves to present action ===
*This section uses practical recommendations derived explicitly from the evidence: envision, connect, strategies, act, monitor.
*Could use a learning feature
*“Commitment to an intertemporal relationship with an ideal possible self has similar effects on its continuation as commitment to an interpersonal relationship” in section: functions of commitment to an ideal possible self https://doi.org/10.1111/spc3.12499

== Extra sources: ==
*Possible selves, self regulation and actual social goal progress (2014)
*Best possible self intervention and academic motivation/commitment (2020)
*Identity-based motivation (2015) 

== Conclusion == 
*Possible selves can motivate goal pursuit by giving people personally meaningful future identities to approach or avoid.
*Their influence on behaviour is conditional: possible selves are most effective when they feel attainable and are connected to concrete strategies and self-regulatory processes.
*Psychological interventions may therefore improve goal pursuit by helping people translate imagined future identities into realistic pathways and present action.


==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

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[[Category:Motivation and emotion/Book/2026]]
[[Category:Motivation and emotion/Book/Goal pursuit]]


__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:Ueber-die-sammlung-19-jahrhundert-caspar-david-friedrich-wanderer-ueber-dem-nebelmeer.jpg|thumb|right|150px|Figure 1. Wanderer above the Sea of Fog]]

; Scenario

A university student has started their final year of their bachelor's degree, and the academic standards are higher than previous years. One may imagine their future as exciting: graduating, beginning a meaningful career, becoming financially independent, and becoming the capable and competent person they hope to be. Alternatively, they may imagine their future as unsettling: losing motivation, failing to make use of their opportunities, and becoming someone they once hoped to avoid.

Neither future exists yet, however, these imagined versions of the self can influence what the student does today – whether they attend lectures and tutorials, persist through difficult assignments and exams, or give up when progress feels slow.
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A brief, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topic''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]
{{RoundBoxTop|theme=3}}
'''Focus questions'''

*What are possible selves, and why can they have motivational significance?
*How do possible selves interact with self-regulatory processes involved in goal pursuit?
*Under what conditions do possible selves facilitate - or fail to facilitate - goal-directed behaviour?
* How can possible selves be used to strengthen motivation and translate future aspirations into present action?
{{RoundBoxBottom}}

==Headings==
[[File:Teens sharing a song.jpg|thumb|'''Figure 1'''. Adolescents enjoying spending time together.]]
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

== Possible selves ==
*what is the psychological construct that is doing the influencing?
*Establishing what they are and why they have motivational significance 
*Introduce Markus and Nurius (1986) Possible Selves theory. Specifically, explaining how possibles selves are future-oriented representations of the self
*Markus and Nurius argue that possible selves connect cognition and motivation because they embody hopes, fears, goals and threats and can provide incentives for behaviour.
*Possible selves: theory research and applications: Researchers have found that future possible selves also affect one's current identity (Markius &amp; Nurius, 1986). Possible selves are hypothetical images about one's future, including ideal selves that we would like to become, such as XXX. Theorists believe that possible selves are important because they help people to evaluate their current selves and because they serve to motivate people who behave in ways that will help them attain or avoid their hoped-for or feared possible selves. 
Insert examples. Research has shown that people imagine themselves in the future a great deal of the time and that people are more likely to endorse positive possible selves than negative ones. 


=== 1.1 Definition and theoretical origins ===
*Introduce markus and nurius (1986) and explain why possible selves were proposed as an extension of existing understanding of self knowledge
*Markus and nurius as fundamental literature, in which possible selves give self-relevant form to hopes, fears, goals and threats and provide a conceptual link between cognition and motivation
*Establish key propositions that will run throughout the chapter: possible selves may give motivation direction, but processing an imagined future identity does not necessarily produce goal-directed action. More recent literature challenges the idea that possible selves directly cause behaviour 10.1111/j.1467-6494.2006.00424.x

=== 1.2 forms and content of possible selves (could be combined into 1.1) ===
*Explain hoped-for possible selves as desirable future identities that people would like to approach i.e., becoming better a pickle ball, becoming thinner, or workplace success
*Explain feared possible selves as undesirable future identities people wish to avoid i.e., becoming unhealthy
*Maybe discuss expected possible selves
*Content of possible selves is shaped by people's experiences and sociocultural circumstances rather than being a manifestation of the isolated self. Cross and Markus found systemic differences in hoped for and feared possible selves across adulthood https://www.researchgate.net/publication/232436255_Possible_Selves_across_the_Life_Span 

=== 1.3 motivational properties of possible selves === 
*Explain how markus and nurius proposal that possible selves can function as incentives for future behavior, giving self-relevant meaning and direction to motives
*Introduce evidence that making possible selves salient can affect subsequent motivation or performance. Find recent research study that investigates the effect of self-relevant future imagery on performance
*Explain how characteristics such as the specificity, accessibility, perceived likelihood and elaboration of the possible self may influence how motivational it becomes. https://www.sciencedirect.com/science/article/abs/pii/S0022103103000295 

== Goal pursuit and self-regulation ==
*Establish why a motivating future identity is not enough by itself. Something must translate the representation into behaviour
*People must initiate, regulate, and sustain behaviour
*Introduce self-regulation as the set of processes through which people organise

=== 2.1 from goals to goal-directed behaviour ===
*Define goal pursuit and distinguish a desired endpoint from the behaviours required to move toward that endpoint.
*Establish the distinction between motivation/intention and action: wanting an outcome does not ensure the behaviours necessary to achieve it. Research on implementation intentions is useful background evidence that specifying how and when to act can help translate goal intentions into action. 10.1037/0003-066X.54.7.493 
*Explain that successful goal pursuit involves processes such as planning, effort, behavioural initiation, persistence and responding to obstacles.
*Connect this immediately back to possible selves: imagining “becoming a psychologist,” for example, only becomes behaviourally consequential if it becomes connected to actions such as studying, seeking experience and completing required training.

=== 2.2 self-regulation in goal pursuit ===
*Define self-regulation, a social-cognitive process at the intersection of metacognition, motivation, and behaviour, encompasses how people conceptualize, strive for, and accomplish their goals. https://link.springer.com/article/10.1007/s11409-020-09255-3 
*Introduce hoyle and sherrills (2006) argument: Possible selves as a component in self-regulatory processes through which motivation and behaviour are influenced. Not simply to be understood as directly causing motivation and behaviour; instead, they can form part of the self-regulatory processes through which motivation and behavior are influenced. https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Explain that a future identity can provide a reference point or direction, while self-regulation provides mechanisms such as planning, behavioural strategies, monitoring and adjustment.
*Finish with the question that launches Section 3: what determines whether a possible self actually becomes an effective component of self-regulation?

== Possible selves in motivated goal pursuit ==
*Center of the chapter
*Investigating the relationship between possible selves in motivated goal pursuit
*Integrate the constructs established in sections 1 and 2 rather than introducing another independent theory
*How self-representations can affect present motivation, decisions and behaviour
*Look at evidence showing that the motivational effects of possible selves are conditional: their content alone is less important than whether they can become effective self-regulatory resources. https://www-sciencedirect-com.ezproxy.canberra.edu.au/science/article/pii/S0092656603000576 

=== 3.1 modelling the relationships ===
*compare Makrus and Nurius and Hoyle and Sherrill self-regulatory interpretation, showing the development from possible selves as incentives toward a more process oriented explanation https://doi.org/10.1111/j.1467-6494.2006.00424.x
*Introduce the MAPS framework 10.1007/s11409-020-09255-3 (use image)
*Possible selves may provide direction and motivational meaning, while self-regulation provides mechanisms through which that imagined future can influence present behaviour
*Answer the question: how?

=== 3.2 when possible selves facilitate goal pursuit ===
*Possible selves are more effective when linked to plausible strategies. Possible selves were associated with better outcomes when they could function as self-regulators rather than merely a positive image 10.1037/0022-3514.91.1.188
*Visualising future selves. Indeed, visualizing a future general success or specific failure led to better performance on an attention task (Study 1) and higher academic motivation (Study 2) than imagining a future general failure or specific success. https://journals.sagepub.com/doi/10.1177/0276236619864275 
*Attainability and agency https://pubmed.ncbi.nlm.nih.gov/33424511/ 
*Context https://doi.org/10.1080/15298868.2014.965733

=== 3.3  when possible selves fail to motivate (may be able to combine with 3.2) ===
*Oyserman roadmap study to explain possible self may not generate behaviour
*“Seeing the destination but not the path”
*Key concept: the motivational value of a possible self lies not merely in imagining the destination, but in whether that future representation can organise effective action in the present

== Harnessing possible selves for goal pursuit ==
*Building capacity for goal pursuit, how understanding these mechanisms allows possible selves to be deliberately used to improve motivation and behaviour

=== 4.1 possible-self interventions === 
*Discuss actual psychological interventions https://pubmed.ncbi.nlm.nih.gov/16834488/ https://pubmed.ncbi.nlm.nih.gov/20733212/ 10.1016/j.lmot.2019.101599 
*Oyserman's school to jobs intervention to demonstrate that possible selves can be deliberately manipulated and linked with strategies, with measurable effects of academic behaviour and outcomes
*Critically compare interventions, mini literature review maybe
*This section answers the question: can people deliberately construct more motivationally effective possible selves? (use this a focus question)

=== 4.2 possible selves to present action ===
*This section uses practical recommendations derived explicitly from the evidence: envision, connect, strategies, act, monitor.
*Could use a learning feature
*“Commitment to an intertemporal relationship with an ideal possible self has similar effects on its continuation as commitment to an interpersonal relationship” in section: functions of commitment to an ideal possible self https://doi.org/10.1111/spc3.12499

== Extra sources: ==
*Possible selves, self regulation and actual social goal progress (2014)
*Best possible self intervention and academic motivation/commitment (2020)
*Identity-based motivation (2015) 

== Conclusion == 
*Possible selves can motivate goal pursuit by giving people personally meaningful future identities to approach or avoid.
*Their influence on behaviour is conditional: possible selves are most effective when they feel attainable and are connected to concrete strategies and self-regulatory processes.
*Psychological interventions may therefore improve goal pursuit by helping people translate imagined future identities into realistic pathways and present action.


==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations
==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>1tvhkbhamd7zyduxvmz1gthco81vlk5</sha1>
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&lt;div align=center&gt;Edit the title and sub-title to match the wording (and casing) in the [[Motivation and emotion/Book/2025|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per [[Special:History/{{PAGENAME}}|the page history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=5}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
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==Overview==
{{RoundBoxTop|theme=5}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>mimoa2ea8ojz6r4d1cgw8xu50h9sxr5</sha1>
    </revision>
    <revision>
      <id>2822911</id>
      <parentid>2822910</parentid>
      <timestamp>2026-08-19T03:03:00Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822911</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9299" sha1="hmam68srln05lnj98yy08w01821edjs" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=5}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>hmam68srln05lnj98yy08w01821edjs</sha1>
    </revision>
    <revision>
      <id>2822966</id>
      <parentid>2822911</parentid>
      <timestamp>2026-08-19T04:57:19Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822966</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9308" sha1="pkhz187w8cpb2ps1y17zdiltfwds8l0" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film 'Inside Out' and the challenge of measuring emotion'''

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>pkhz187w8cpb2ps1y17zdiltfwds8l0</sha1>
    </revision>
    <revision>
      <id>2822969</id>
      <parentid>2822966</parentid>
      <timestamp>2026-08-19T05:02:33Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822969</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9174" sha1="d7hnegx1lthhbabqze58sra2uesra55" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film 'Inside Out' and the challenge of measuring emotion'''

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>d7hnegx1lthhbabqze58sra2uesra55</sha1>
    </revision>
    <revision>
      <id>2822971</id>
      <parentid>2822969</parentid>
      <timestamp>2026-08-19T05:25:36Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822971</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9409" sha1="kglbtjpd7beqge2jouw8vh009q113u0" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film 'Inside Out' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>kglbtjpd7beqge2jouw8vh009q113u0</sha1>
    </revision>
    <revision>
      <id>2822977</id>
      <parentid>2822971</parentid>
      <timestamp>2026-08-19T05:38:35Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <comment>overview editing</comment>
      <origin>2822977</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9927" sha1="5z9fkz1ljm1usgk3gblrw9ps3z2yk6q" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film 'Inside Out' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers likewise: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable


Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>5z9fkz1ljm1usgk3gblrw9ps3z2yk6q</sha1>
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    <revision>
      <id>2822979</id>
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      <timestamp>2026-08-19T05:48:04Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822979</origin>
      <model>wikitext</model>
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      <text bytes="10380" sha1="f7l3fpbaxvcjeknzf07daaring1nk3p" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film 'Inside Out' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers likewise: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>f7l3fpbaxvcjeknzf07daaring1nk3p</sha1>
    </revision>
    <revision>
      <id>2822980</id>
      <parentid>2822979</parentid>
      <timestamp>2026-08-19T05:49:32Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822980</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10384" sha1="rv9p0njgf8eu9q6p91zbpoxn6jiv4g9" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers likewise: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>rv9p0njgf8eu9q6p91zbpoxn6jiv4g9</sha1>
    </revision>
    <revision>
      <id>2822981</id>
      <parentid>2822980</parentid>
      <timestamp>2026-08-19T06:08:40Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822981</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10412" sha1="dztztesamc9f4pkqfu1mvgnb4qxsgo4" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers likewise: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=15}}
'''Focus questions'''

Align the top-level headings with these focus questions.
* What is consumer emotion?
* What methods are used to measure consumer emotion?
* How do individual differences influence consumers' emotional responses and their measurement?
* How can consumer emotion measurement and segmentation inform business decisions?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>dztztesamc9f4pkqfu1mvgnb4qxsgo4</sha1>
    </revision>
    <revision>
      <id>2822983</id>
      <parentid>2822981</parentid>
      <timestamp>2026-08-19T06:36:46Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822983</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10409" sha1="8akuyngwlptivd2adnz2hx9rkeltey2" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers alike: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=15}}
'''Focus questions'''

Align the top-level headings with these focus questions.
* What is consumer emotion?
* What methods are used to measure consumer emotion?
* How do individual differences influence consumers' emotional responses and their measurement?
* How can consumer emotion measurement and segmentation inform business decisions?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>8akuyngwlptivd2adnz2hx9rkeltey2</sha1>
    </revision>
    <revision>
      <id>2822985</id>
      <parentid>2822983</parentid>
      <timestamp>2026-08-19T06:43:41Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822985</origin>
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      <text bytes="10335" sha1="p1ifice9ivykbya7e01dj22zoudmsu5" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers alike: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=15}}
'''Focus questions'''

Align the top-level headings with these focus questions.
* What is consumer emotion?
* What methods are used to measure consumer emotion?
* How do individual differences influence consumers' emotional responses and their measurement?
* How can consumer emotion measurement and segmentation inform business decisions?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>p1ifice9ivykbya7e01dj22zoudmsu5</sha1>
    </revision>
    <revision>
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      <parentid>2822985</parentid>
      <timestamp>2026-08-19T06:47:21Z</timestamp>
      <contributor>
        <username>Sienna33309</username>
        <id>3106991</id>
      </contributor>
      <origin>2822986</origin>
      <model>wikitext</model>
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==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers alike: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=15}}
'''Focus questions'''

Align the top-level headings with these focus questions.
* What is consumer emotion?
* What methods are used to measure consumer emotion?
* How do individual differences influence consumers' emotional responses and their measurement?
* How can consumer emotion measurement and segmentation inform business decisions?


{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>7aj1a4qh5ev9vu6y7d422cuodw9j0a2</sha1>
    </revision>
    <revision>
      <id>2823093</id>
      <parentid>2822986</parentid>
      <timestamp>2026-08-19T11:02:48Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Consumerism]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2823093</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10158" sha1="oh1xvkn1vrz9uv60oqpqjtyhl8hfgaq" xml:space="preserve">{{title|Consumer emotion measurement:&lt;br&gt;How can consumer emotion be measured?}}

==Overview==
{{RoundBoxTop|theme=15}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

'''The Film ''&quot;Inside Out&quot;'' and the challenge of measuring emotion'''

Imagine watching Pixar's ''Inside Out''. As Riley struggles to adjust to moving to a new city, viewers experience a range of emotions alongside her. Some audiences may feel sadness when Riley misses her old home, while others feel hope as she adapts to this change. Although everyone is watching the same film, their emotional experiences can differ substantially.

This raises an important question for businesses and researchers alike: ''How can we actually know what consumers are feeling?''

If a company wanted to evaluate audience reactions to ''Inside Out'', would it rely on questionnaires asking viewers to self report, Should it analyse facial expressions, measure heart rate, or track physiological arousal? How do we approach the two viewers reporting differences in emotion despite watching the same film?

The challenge is that emotions are not directly observable. Researchers can only infer emotional experiences through self-reports, behaviour, physiological responses and neurological activity. Understanding these emotions is important because emotional reactions influence consumer attitudes, product evaluations and overall purchasing decisions. Psychological research provides a range of methods for measuring consumer emotions, while also highlighting how individual differences can shape emotional responses.

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=15}}
'''Focus questions'''

Align the top-level headings with these focus questions.
* What is consumer emotion?
* What methods are used to measure consumer emotion?
* How do individual differences influence consumers' emotional responses and their measurement?
* How can consumer emotion measurement and segmentation inform business decisions?


{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Consumerism]]
.</text>
      <sha1>oh1xvkn1vrz9uv60oqpqjtyhl8hfgaq</sha1>
    </revision>
  </page>
  <page>
    <title>The John Snow Prediabetes Institute/</title>
    <ns>0</ns>
    <id>331141</id>
    <revision>
      <id>2822760</id>
      <parentid>2822727</parentid>
      <timestamp>2026-08-18T12:43:08Z</timestamp>
      <contributor>
        <username>NDM2024</username>
        <id>2984088</id>
      </contributor>
      <origin>2822760</origin>
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      <format>text/x-wiki</format>
      <text bytes="1207" sha1="sfigefd2lhtnoshla9zqyn5a8a4niar" xml:space="preserve"> '''
INTERNATIONAL MARITIME HEALTH DATABASE'''
We have drafted a preliminary proposal for a Research Seminar held on October 8th and 9th (1:00 PM to 5:00 PM), with a follow-up on Oct Mon 12th at the American Out-Patient Clinic in Metro Manila. 
This Seminar aims to formalize a strategic epidemiological research collaboration among regional clinics, the Philippines Society of Maritime Health, the University of the Philippines Manila, and the John Snow Prediabetes Institute. 

Proposed Agenda: 

• Day 1: Strategic Planning
Private working session to plan Day 2 with Dr. Abesamis, the John Snow Institute, and Dr. Huerte.

• Day 2: Plenary Session and Presentations
General partner meeting moderated by Dr. Abesamis. Main topics:
1.	Objectives overview by Dr. Abesamis and Dr. Huerte.
2.	The International Maritime Health Database: Christian Acheampong.
using Prospective and retrospective data.
3.	The advantages of using massive databases: comments by the Philippines Maritime Society and The Manila University 
4.	Health Promotion strategies by Margarita and Christian 

• Day 3: Follow-up (Monday Oct 12th, 1:00 PM)
Meeting to organise the practical collaboration, content, and time scheduling.</text>
      <sha1>sfigefd2lhtnoshla9zqyn5a8a4niar</sha1>
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  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Romantic jealousy</title>
    <ns>0</ns>
    <id>331168</id>
    <revision>
      <id>2822764</id>
      <parentid>2822681</parentid>
      <timestamp>2026-08-18T12:44:08Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Jealousy]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822764</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10268" sha1="q1ppx051ompwa8mc193ds0z5bhrdtp1" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
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      <parentid>2822764</parentid>
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      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
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      <text bytes="10757" sha1="jamusg8k0nmz0ah1il1rg8cpq0oh67x" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
      <sha1>jamusg8k0nmz0ah1il1rg8cpq0oh67x</sha1>
    </revision>
    <revision>
      <id>2822894</id>
      <parentid>2822878</parentid>
      <timestamp>2026-08-19T02:37:03Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
      </contributor>
      <comment>added problem section of overview</comment>
      <origin>2822894</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="12391" sha1="r1elwzstdg59lhsyxwejxth3zehcb09" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations. 

* What is [[wikipedia:Jealousy|jealousy]]? 

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) (use source that gives a definition of romantic jealousy)

* Why does jealousy vary? 

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) (find research showing individual differences in jealousy)

* Why does jealousy matter? 

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) (research connecting cognitive/ emotional responses, behavioural responses, relationship outcomes) 

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.) ( research establishing why psychological understanding and regulation and relationship management is relevant) 

{{RoundBoxTop|theme=3}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
      <sha1>r1elwzstdg59lhsyxwejxth3zehcb09</sha1>
    </revision>
    <revision>
      <id>2822895</id>
      <parentid>2822894</parentid>
      <timestamp>2026-08-19T02:40:58Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
      </contributor>
      <comment>Undid revision [[Special:Diff/2822894|2822894]] by [[Special:Contributions/U3279062|U3279062]] ([[User talk:U3279062|talk]])</comment>
      <origin>2822895</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10757" sha1="jamusg8k0nmz0ah1il1rg8cpq0oh67x" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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        <username>U3279062</username>
        <id>3106301</id>
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      <text bytes="12362" sha1="92rtieack7wq91b4ysrfouqzps0vcwq" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) (use source that gives a definition of romantic jealousy)

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) (find research showing individual differences in jealousy)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) (research connecting cognitive/ emotional responses, behavioural responses, relationship outcomes)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.) ( research establishing why psychological understanding and regulation and relationship management is relevant) 


The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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      <sha1>92rtieack7wq91b4ysrfouqzps0vcwq</sha1>
    </revision>
    <revision>
      <id>2822905</id>
      <parentid>2822901</parentid>
      <timestamp>2026-08-19T02:53:25Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
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      <model>wikitext</model>
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      <text bytes="12951" sha1="3jyxhyy1x6un0poeu2zbr09hbh9pvh3" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) (use source that gives a definition of romantic jealousy)

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) (find research showing individual differences in jealousy)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) (research connecting cognitive/ emotional responses, behavioural responses, relationship outcomes)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.) ( research establishing why psychological understanding and regulation and relationship management is relevant) 

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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      <id>2822907</id>
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      <timestamp>2026-08-19T02:57:55Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
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      <comment>added focus quesitons</comment>
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      <model>wikitext</model>
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      <text bytes="12791" sha1="1muz4tmvtefv9mkosvi9zi5pjhrbq0z" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) (use source that gives a definition of romantic jealousy)

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) (find research showing individual differences in jealousy)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) (research connecting cognitive/ emotional responses, behavioural responses, relationship outcomes)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.) ( research establishing why psychological understanding and regulation and relationship management is relevant) 

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
      <sha1>1muz4tmvtefv9mkosvi9zi5pjhrbq0z</sha1>
    </revision>
    <revision>
      <id>2822914</id>
      <parentid>2822907</parentid>
      <timestamp>2026-08-19T03:36:24Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
      </contributor>
      <comment>added citations for overview section</comment>
      <origin>2822914</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="12943" sha1="h8le2ttmmyufsydyrh9nojrx4o18znq" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020) 

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==

=== Defining Romantic Jealousy ===

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
      <sha1>h8le2ttmmyufsydyrh9nojrx4o18znq</sha1>
    </revision>
    <revision>
      <id>2822951</id>
      <parentid>2822914</parentid>
      <timestamp>2026-08-19T04:12:52Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
      </contributor>
      <comment>added dot point info to what is romantic jealousy and defining romantic jealousy headings</comment>
      <origin>2822951</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="15151" sha1="00hy4omcspsn28m5nej1isvmdcrw743" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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      <text bytes="15766" sha1="7f9tqbizq73pz518gygtolxf2jp0k06" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above sections 

=== Is Jealousy Inherently Harmful ===

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
.</text>
      <sha1>7f9tqbizq73pz518gygtolxf2jp0k06</sha1>
    </revision>
    <revision>
      <id>2822960</id>
      <parentid>2822954</parentid>
      <timestamp>2026-08-19T04:43:00Z</timestamp>
      <contributor>
        <username>U3279062</username>
        <id>3106301</id>
      </contributor>
      <comment>added dot points to is jealousy inherently harmful and table 1</comment>
      <origin>2822960</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="16976" sha1="gtb71kgexza385cu3ci2h7q5uyinjv2" xml:space="preserve"> {{title|Romantic Jealousy:&lt;br&gt;Why Does Romantic Jealousy Occur, What Are it's Impacts, and How Can It Be Managed?}}
__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above section
{| class=&quot;wikitable&quot;
|+Table 1. Distinguishing Romantic Jealousy from Related Experiences 
!Experience
!Central Concern
!Example
|-
|Romantic Jealousy 
|Perceived threat to a valued romantic relationship
|Partner appears unusually close to another person 
|-
|Envy
|Wanting something another person has
|Another person has a relationship you want 
|-
|Fear/Anxiety
|Anticipated or perceived threat/danger
|Worry that a relationship may end 
|}

=== Is Jealousy Inherently Harmful ===
experiencing romantic jealousy does not necessarily mean you are experiencing a harmful relationship event or outcome. the significance of jealousy may depend partly on how the experience is interpreted and how it is expressed. 

* emotions don't equal behaviour (feeling jealous is not the same as acting on jealousy) 
* potential information/ signaling function (research if jealousy can signal perceived relationship threat, motivate attention to relationship concern, motivate relationship protective behaviour, prompt communication) cite: (Dillon, 2013)
* reasons why jealousy may be bad/ maladaptive (conflict, suspicion, controlling behaviour, relationship distress. difference between jealousy and response to it again) cite jealousy source again potentially 

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

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[[Category:Motivation and emotion/Book/Jealousy]]
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__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above section
{| class=&quot;wikitable&quot;
|+Table 1. Distinguishing Romantic Jealousy from Related Experiences 
!Experience
!Central Concern
!Example
|-
|Romantic Jealousy 
|Perceived threat to a valued romantic relationship
|Partner appears unusually close to another person 
|-
|Envy
|Wanting something another person has
|Another person has a relationship you want 
|-
|Fear/Anxiety
|Anticipated or perceived threat/danger
|Worry that a relationship may end 
|}

=== Is Jealousy Inherently Harmful ===
experiencing romantic jealousy does not necessarily mean you are experiencing a harmful relationship event or outcome. the significance of jealousy may depend partly on how the experience is interpreted and how it is expressed. 

* emotions don't equal behaviour (feeling jealous is not the same as acting on jealousy) 
* potential information/ signaling function (research if jealousy can signal perceived relationship threat, motivate attention to relationship concern, motivate relationship protective behaviour, prompt communication) cite: (Dillon, 2013)
* reasons why jealousy may be bad/ maladaptive (conflict, suspicion, controlling behaviour, relationship distress. difference between jealousy and response to it again) cite jealousy source again potentially 

&lt;quiz&gt;
{Which statement best describes romantic jealousy?}
- It occurs only when a partner has definitely been unfaithful.
- It is identical to envy.
+ It can involve a perceived threat to a valued romantic relationship and may involve emotional, cognitive, and motivational processes. 
- It always results in harmful behaviour.

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above section
{| class=&quot;wikitable&quot;
|+Table 1. Distinguishing Romantic Jealousy from Related Experiences 
!Experience
!Central Concern
!Example
|-
|Romantic Jealousy 
|Perceived threat to a valued romantic relationship
|Partner appears unusually close to another person 
|-
|Envy
|Wanting something another person has
|Another person has a relationship you want 
|-
|Fear/Anxiety
|Anticipated or perceived threat/danger
|Worry that a relationship may end 
|}

=== Is Jealousy Inherently Harmful ===
experiencing romantic jealousy does not necessarily mean you are experiencing a harmful relationship event or outcome. the significance of jealousy may depend partly on how the experience is interpreted and how it is expressed. 

* emotions don't equal behaviour (feeling jealous is not the same as acting on jealousy) 
* potential information/ signaling function (research if jealousy can signal perceived relationship threat, motivate attention to relationship concern, motivate relationship protective behaviour, prompt communication) cite: (Dillon, 2013)
* reasons why jealousy may be bad/ maladaptive (conflict, suspicion, controlling behaviour, relationship distress. difference between jealousy and response to it again) cite jealousy source again potentially 

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above section
{| class=&quot;wikitable&quot;
|+Table 1. Distinguishing Romantic Jealousy from Related Experiences 
!Experience
!Central Concern
!Example
|-
|Romantic Jealousy 
|Perceived threat to a valued romantic relationship
|Partner appears unusually close to another person 
|-
|Envy
|Wanting something another person has
|Another person has a relationship you want 
|-
|Fear/Anxiety
|Anticipated or perceived threat/danger
|Worry that a relationship may end 
|}

=== Is Jealousy Inherently Harmful ===
experiencing romantic jealousy does not necessarily mean you are experiencing a harmful relationship event or outcome. the significance of jealousy may depend partly on how the experience is interpreted and how it is expressed. 

* emotions don't equal behaviour (feeling jealous is not the same as acting on jealousy) 
* potential information/ signaling function (research if jealousy can signal perceived relationship threat, motivate attention to relationship concern, motivate relationship protective behaviour, prompt communication) cite: (Dillon, 2013)
* reasons why jealousy may be bad/ maladaptive (conflict, suspicion, controlling behaviour, relationship distress. difference between jealousy and response to it again) cite jealousy source again potentially 
&lt;quiz display=&quot;simple&quot;&gt;
{Which statement best describes romantic jealousy?:
|type=&quot;()&quot;}
- It only occurs when a partner has definitely been unfaithful. 
- It is the same as envy. 
+ It can involve a perceived threat to a valued romantic relationship and may involve emotional, cognitive, and motivational processes. 
- It always results in harmful behaviour.
&lt;/quiz&gt;

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

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__TOC__

== Overview ==
{{RoundBoxTop|theme=3}}

[[File:Man using smartphone outdoors.jpg|Man_using_smartphone_outdoors|right|thumb|150px|'''Figure 1'''. Person viewing an ambiguous message on a phone]]

;  Scenario

Maya is in a committed romantic relationship of 3 years. Her partner, Alex, has recently started spending more time with a new colleague, Joan. 

One evening, Maya notices that Alex has been messaging Joan more often. She sees a message that, while not showing clear evidence of infidelity, could be interpreted in multiple ways.

Maya experiences a sudden feeling of jealousy.

She starts thinking: '' Why are they messaging so much? Is there something going on? Does Alex find Joan more interesting than me? Am I overreacting? '' 

Maya feels anxious and has an urge to check Alex's messages or ask what is happening.

Maya's situation shows how an ambiguous even can become psychologically significant when interpreted as a potential threat (see Figure 1.)

What is happening to Maya, and what should she do with this feeling?
{{RoundBoxBottom}}

Romantic jealousy is an emotional response that can arise when a person perceives a threat to a valued romantic relationship. The experience and consequences of jealousy can vary substantially across people and situations.

* What is [[wikipedia:Jealousy|jealousy]]?

(Discuss that romantic jealousy involves an emotional response to a perceived threat to a valued romantic relationship. The threat does not have to be real. Interpretation and perception matter) use source that gives a definition of romantic jealousy: (Karakoçoğlu &amp; Hasdağ, 2025) 

* Why does jealousy vary?

(Discuss how people can experience levels of jealous in similar situations. This suggests that jealousy cannot be explained by only external factors. individual and relationship factors may influence how situations are interpreted) find research showing individual differences in jealousy: (Valentova et al., 2020)

* Why does jealousy matter?

(Jealousy can influence thoughts, emotions and behavior. The feeling alone doesn't necessarily determine behaviour. Different responses may have different consequences for romantic relationships.) research connecting jealousy with cognitive/ emotional responses, behavioural responses, relationship outcomes: (Guerrero &amp; Andersen, 1996) and (Elphinston et al., 2013)

* Why management matters

(Understanding jealousy may help people distinguish emotional reactions from assumptions and actions. Psychological science can provide evidence informed ways of responding to jealousy. Managing jealousy doesn't necessarily mean eliminating the emotion or ignoring genuine relationship concerns.)  Research establishing why psychological understanding and regulation and relationship management is relevant: (Duckworth &amp; Gross, 2020)  

{{RoundBoxTop|theme=1}}
'''Focus questions'''

* What is romantic jealousy, and how can it be understood as an emotional and motivational response?
* Why does romantic jealousy occur, and why might people experience it differently?
* What are the cognitive, emotional, behavioural, and relationship impacts of romantic jealousy?
* How can romantic jealousy be managed in ways that support healthy functioning?
{{RoundBoxBottom}}

== What Is Romantic Jealousy? ==
Romantic jealousy is a complex psychological response to a perceived threat to a valued romantic relationship, involving interacting emotional, cognitive, and motivational processes (Sharpsteen &amp; Kirkpatrick, 1997)

* define more
* jealousy isn't just a single feeling
* introduce how people can interpret similar situations differently 
* preview sections 

=== Defining Romantic Jealousy ===
Romantic jealousy can be understood, similar to regular jealousy, as a psychological response that occurs when a person perceives a threat to an important romantic relationship.

* define it (what is it, what makes it romantic jealousy in particular, what is being threatened, why does the relationship need to be valued for it to be jealousy) cite: (Miller &amp; Benz, 2013) information on jealousy
* talk about perceived threat (the situation doesn't necessarily have to involve an objectively confirmed threat. establish difference between the event and situation and the jealousy) cite: (Scherer et al., 2001)
* explain components (establish that jealousy may involve cognition, emotional, motivation. then say that behaviour can follow from these but isn't same as emotion)
* add case study scenario briefly (maybe no feature box?) (Maya's reaction can therefore be understood not simply as a response to Alex's message, but as a response to what the messages may mean for her relationship. the message is the situation, maya interprets it, the interpretation created perceived threat, the perceived threat contributes to jealousy.) 

=== Jealousy and Related Emotional Experiences ===
Although romantic jealousy can involve emotions such as [[wikipedia:Fear|fear]], [[wikipedia:Anxiety|anxiety]], [[wikipedia:Anger|anger]], and [[wikipedia:Insecurity|insecurity]], it should be distinguished from related psychological experiences such as [[wikipedia:Envy|envy]]. 

* say what jealousy generally is (a valued relationship plus a perceived threat involving another person)
* envy generally is (wanting something another person has)
* jealous may be accompanied by other emotions said above but they aren't necessarily interchangeable with jealousy 
* can cite old jealousy source from above section
{| class=&quot;wikitable&quot;
|+Table 1. Distinguishing Romantic Jealousy from Related Experiences 
!Experience
!Central Concern
!Example
|-
|Romantic Jealousy 
|Perceived threat to a valued romantic relationship
|Partner appears unusually close to another person 
|-
|Envy
|Wanting something another person has
|Another person has a relationship you want 
|-
|Fear/Anxiety
|Anticipated or perceived threat/danger
|Worry that a relationship may end 
|}

=== Is Jealousy Inherently Harmful ===
experiencing romantic jealousy does not necessarily mean you are experiencing a harmful relationship event or outcome. the significance of jealousy may depend partly on how the experience is interpreted and how it is expressed. 

* emotions don't equal behaviour (feeling jealous is not the same as acting on jealousy) 
* potential information/ signaling function (research if jealousy can signal perceived relationship threat, motivate attention to relationship concern, motivate relationship protective behaviour, prompt communication) cite: (Dillon, 2013)
* reasons why jealousy may be bad/ maladaptive (conflict, suspicion, controlling behaviour, relationship distress. difference between jealousy and response to it again) cite jealousy source again potentially 
&lt;quiz display=&quot;simple&quot;&gt;
{Which statement best describes romantic jealousy?:
|type=&quot;()&quot;}


- It only occurs when a partner has definitely been unfaithful. 
- It is the same as envy. 
+ It can involve a perceived threat to a valued romantic relationship and may involve emotional, cognitive, and motivational processes. 
- It always results in harmful behaviour.
&lt;/quiz&gt;

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some of the template material for the topic development, but it should all be removed for the final book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 02]] explains about how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] focus questions. For example:
* Is there a relationship between weather and criminal behaviour? (closed-ended)
* What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

== Why Does Romantic Jealousy Occur? ==

=== Perceived Relationship Threat ===

=== Cognitive Appraisal ===

=== Attachment and Relationship Security ===

=== Relationship Context and Uncertainty ===

=== Individual Differences and Integrated Explanations ===

== What Are the Impacts of Romantic Jealousy? ==

=== Cognitive Impacts ===

=== Emotional Impacts ===

=== Behavioural Responses ===

=== Relationship Consequences ===

=== When Can Jealousy Be Harmful? ===

== How Can Romantic Jealousy Be Managed? ==

=== Recognising the Emotional Response ===

=== Evaluating the Perceived Threat ===

=== Communication and Relationship Management ===

=== Emotion Regulation ===

=== When the Threat is Real ===

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings, but:
** avoid having only one sub-heading
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* See also
* References
* External links

==Key points==
For the topic development, for each heading and sub-heading:
* Provide at least three bullet-points, including for the Overview and Conclusion
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* Use figures to illustrate concepts, add interest, and to serve as examples
* Figures can show photos, diagrams, graphs, video, audio, etc.
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Caption figures (use '''Figure #'''. and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Interactive learning features help to bring book chapters to life and can be embedded throughout the chapter.

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples describe concepts in action
* Can be real or fictional; if real, provide citations
* Can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Present using [[#Feature boxes|feature boxes]]

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use to tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Which Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing Knowing x Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* Using one or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
==Conclusion==
* The Conclusion is arguably the most important section
* Draft clear take-home message(s), even at the topic development stage
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing it
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
Provide [[Help:Contents/Links#Interwiki_links|internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Only select links to major internal resources about the topic
* Include the source in parentheses
}}

==References==
This section lists the cited references in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]].

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
** Use &quot;Edit source&quot;
** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
Provide [[Help:Contents/Links#External_links|external links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Only select links to major external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Jealousy]]
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|-
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! Sat. vapor, v&lt;sub&gt;g&lt;/sub&gt;
! Sat. liquid, u&lt;sub&gt;f&lt;/sub&gt;
! Evap., u&lt;sub&gt;fg&lt;/sub&gt;
! Sat. vapor, u&lt;sub&gt;g&lt;/sub&gt;
! Sat. liquid, h&lt;sub&gt;f&lt;/sub&gt;
! Evap., h&lt;sub&gt;fg&lt;/sub&gt;
! Sat. vapor, h&lt;sub&gt;g&lt;/sub&gt;
! Sat. liquid, s&lt;sub&gt;f&lt;/sub&gt;
! Evap., s&lt;sub&gt;fg&lt;/sub&gt;
! Sat. vapor, s&lt;sub&gt;g&lt;/sub&gt;
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|-
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|-
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|-
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|-
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|-
| 45 || 1159.9 || 0.0008888 || 0.017344 || 114.77 || 138.49 || 253.26 || 115.80 || 157.58 || 273.38 || 0.41833 || 0.49529 || 0.91362
|-
| 50 || 1317.9 || 0.0009072 || 0.015089 || 122.28 || 133.12 || 255.41 || 123.48 || 151.81 || 275.29 || 0.44184 || 0.46979 || 0.91164
|-
| 55 || 1491.5 || 0.0009274 || 0.013140 || 129.94 || 127.47 || 257.41 || 131.32 || 145.68 || 277.01 || 0.46545 || 0.44396 || 0.90940
|-
| 60 || 1681.8 || 0.0009498 || 0.011444 || 137.76 || 121.48 || 259.24 || 139.36 || 139.12 || 278.49 || 0.48921 || 0.41760 || 0.90681
|-
| 65 || 1889.8 || 0.0009750 || 0.009960 || 145.77 || 115.08 || 260.85 || 147.62 || 132.06 || 279.67 || 0.51321 || 0.39053 || 0.90374
|-
| 70 || 2116.8 || 0.0010038 || 0.008653 || 154.01 || 108.18 || 262.19 || 156.14 || 124.37 || 280.51 || 0.53757 || 0.36243 || 0.89999
|-
| 75 || 2364.1 || 0.0010372 || 0.007491 || 162.53 || 100.65 || 263.18 || 164.98 || 115.90 || 280.89 || 0.56243 || 0.33291 || 0.89533
|-
| 80 || 2633.2 || 0.0010773 || 0.006448 || 171.41 || 92.28 || 263.69 || 174.25 || 106.42 || 280.67 || 0.58803 || 0.30135 || 0.88938
|-
| 85 || 2925.8 || 0.0011272 || 0.005499 || 180.78 || 82.74 || 263.53 || 184.08 || 95.54 || 279.62 || 0.61477 || 0.26675 || 0.88152
|-
| 90 || 3244.2 || 0.0011936 || 0.004613 || 190.91 || 71.39 || 262.30 || 194.78 || 82.49 || 277.27 || 0.64342 || 0.22714 || 0.87057
|-
| 95 || 3591.2 || 0.0012942 || 0.003743 || 202.45 || 56.63 || 259.08 || 207.10 || 65.42 || 272.53 || 0.67593 || 0.17771 || 0.85364
|-
| 100 || 3972.4 || 0.0015357 || 0.002681 || 219.05 || 29.84 || 248.89 || 225.15 || 34.39 || 259.54 || 0.72317 || 0.09215 || 0.81531
|}

''Calculation note:'' Values were generated with [https://coolprop.org/ CoolProp 8.0.0] using the HEOS model for R134a. Pressure is absolute. Thermodynamic reference convention: CoolProp ASHRAE for R134a. Definition: Saturated liquid at −40 °C is assigned h = 0 kJ/kg and s = 0 kJ/(kg·K). Reference anchor for reproducibility: T = -103.3 °C, p = 0.38956379 kPa, Q = 0 (saturated liquid), u = -76.689297 kJ/kg, h = -76.689052 kJ/kg, and s = -0.38299348 kJ/(kg·K).

See the code to reproduce the table here [[Thermodynamics/Property tables and charts/CoolProp/Saturated refrigerant-134a - Temperature table/Code]]

{{BookCat}}</text>
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  <page>
    <title>Thermodynamics/Property tables and charts/CoolProp/Saturated refrigerant-134a - Pressure table</title>
    <ns>0</ns>
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      <comment>inserted link to code</comment>
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      <text bytes="5970" sha1="g3ep3m6jaip1p0hy6glshhgg5or4jso" xml:space="preserve">{| class=&quot;wikitable sortable&quot;
|+ Saturated properties of R134a
! Saturation pressure, p&lt;sub&gt;sat&lt;/sub&gt;&lt;br /&gt;(kPa)
! Saturation temperature, T&lt;sub&gt;sat&lt;/sub&gt;&lt;br /&gt;(°C)
! Liquid internal energy, u&lt;sub&gt;f&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Internal energy of vaporization, u&lt;sub&gt;fg&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Vapor internal energy, u&lt;sub&gt;g&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Liquid enthalpy, h&lt;sub&gt;f&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Enthalpy of vaporization, h&lt;sub&gt;fg&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Vapor enthalpy, h&lt;sub&gt;g&lt;/sub&gt;&lt;br /&gt;(kJ/kg)
! Liquid entropy, s&lt;sub&gt;f&lt;/sub&gt;&lt;br /&gt;(kJ/(kg·K))
! Entropy of vaporization, s&lt;sub&gt;fg&lt;/sub&gt;&lt;br /&gt;(kJ/(kg·K))
! Vapor entropy, s&lt;sub&gt;g&lt;/sub&gt;&lt;br /&gt;(kJ/(kg·K))
! Liquid specific volume, v&lt;sub&gt;f&lt;/sub&gt;&lt;br /&gt;(m³/kg)
! Vapor specific volume, v&lt;sub&gt;g&lt;/sub&gt;&lt;br /&gt;(m³/kg)
|-
| 60 || -36.93 || 3.81 || 205.31 || 209.13 || 3.86 || 223.94 || 227.80 || 0.0164 || 0.9480 || 0.9645 || 0.0007098234 || 0.3112273
|-
| 70 || -33.86 || 7.70 || 203.20 || 210.89 || 7.75 || 222.00 || 229.74 || 0.0327 || 0.9277 || 0.9605 || 0.0007143889 || 0.2693042
|-
| 80 || -31.12 || 11.17 || 201.30 || 212.47 || 11.23 || 220.25 || 231.47 || 0.0472 || 0.9100 || 0.9571 || 0.0007185413 || 0.2375514
|-
| 90 || -28.63 || 14.33 || 199.57 || 213.89 || 14.39 || 218.64 || 233.03 || 0.0601 || 0.8942 || 0.9543 || 0.0007223683 || 0.2126406
|-
| 100 || -26.36 || 17.23 || 197.97 || 215.20 || 17.30 || 217.16 || 234.46 || 0.0720 || 0.8799 || 0.9519 || 0.0007259315 || 0.1925578
|-
| 120 || -22.31 || 22.42 || 195.10 || 217.52 || 22.51 || 214.47 || 236.98 || 0.0928 || 0.8550 || 0.9478 || 0.0007324356 || 0.1621355
|-
| 140 || -18.76 || 27.00 || 192.56 || 219.56 || 27.10 || 212.08 || 239.18 || 0.1110 || 0.8337 || 0.9446 || 0.000738301 || 0.1401478
|-
| 160 || -15.59 || 31.11 || 190.26 || 221.37 || 31.23 || 209.90 || 241.12 || 0.1270 || 0.8149 || 0.9420 || 0.0007436818 || 0.1234892
|-
| 180 || -12.71 || 34.85 || 188.15 || 223.00 || 34.99 || 207.89 || 242.88 || 0.1415 || 0.7982 || 0.9397 || 0.0007486809 || 0.1104172
|-
| 200 || -10.08 || 38.30 || 186.20 || 224.50 || 38.45 || 206.02 || 244.47 || 0.1547 || 0.7831 || 0.9378 || 0.0007533706 || 0.09987657
|-
| 240 || -5.37 || 44.50 || 182.66 || 227.16 || 44.69 || 202.61 || 247.30 || 0.1780 || 0.7566 || 0.9347 || 0.0007620219 || 0.08390561
|-
| 280 || -1.23 || 49.99 || 179.49 || 229.48 || 50.21 || 199.53 || 249.74 || 0.1984 || 0.7338 || 0.9322 || 0.0007699285 || 0.07235979
|-
| 320 || 2.48 || 54.94 || 176.60 || 231.54 || 55.19 || 196.71 || 251.90 || 0.2165 || 0.7137 || 0.9301 || 0.0007772731 || 0.06361073
|-
| 360 || 5.84 || 59.47 || 173.93 || 233.40 || 59.75 || 194.08 || 253.83 || 0.2328 || 0.6956 || 0.9284 || 0.0007841781 || 0.05674425
|-
| 400 || 8.93 || 63.65 || 171.44 || 235.09 || 63.97 || 191.61 || 255.58 || 0.2477 || 0.6793 || 0.9270 || 0.0007907302 || 0.05120679
|-
| 450 || 12.48 || 68.48 || 168.53 || 237.02 || 68.84 || 188.71 || 257.55 || 0.2648 || 0.6607 || 0.9254 || 0.0007985196 || 0.04562474
|-
| 500 || 15.73 || 72.95 || 165.81 || 238.77 || 73.36 || 185.97 || 259.33 || 0.2803 || 0.6438 || 0.9241 || 0.0008059482 || 0.04112285
|-
| 550 || 18.75 || 77.13 || 163.24 || 240.37 || 77.57 || 183.37 || 260.95 || 0.2947 || 0.6282 || 0.9229 || 0.000813084 || 0.03741251
|-
| 600 || 21.57 || 81.05 || 160.80 || 241.85 || 81.54 || 180.89 || 262.43 || 0.3081 || 0.6138 || 0.9218 || 0.0008199791 || 0.03429988
|-
| 650 || 24.22 || 84.75 || 158.47 || 243.22 || 85.29 || 178.50 || 263.79 || 0.3206 || 0.6003 || 0.9209 || 0.000826674 || 0.03164987
|-
| 700 || 26.71 || 88.27 || 156.23 || 244.50 || 88.85 || 176.20 || 265.05 || 0.3324 || 0.5876 || 0.9200 || 0.0008332012 || 0.02936543
|-
| 750 || 29.08 || 91.62 || 154.08 || 245.69 || 92.25 || 173.98 || 266.22 || 0.3435 || 0.5756 || 0.9192 || 0.0008395875 || 0.02737496
|-
| 800 || 31.33 || 94.82 || 151.99 || 246.82 || 95.50 || 171.81 || 267.32 || 0.3541 || 0.5643 || 0.9184 || 0.000845855 || 0.02562451
|-
| 850 || 33.47 || 97.90 || 149.97 || 247.87 || 98.63 || 169.71 || 268.33 || 0.3642 || 0.5535 || 0.9177 || 0.0008520223 || 0.0240726
|-
| 900 || 35.53 || 100.86 || 148.01 || 248.87 || 101.64 || 167.65 || 269.29 || 0.3739 || 0.5431 || 0.9170 || 0.0008581054 || 0.02268683
|-
| 950 || 37.50 || 103.72 || 146.09 || 249.81 || 104.54 || 165.64 || 270.18 || 0.3831 || 0.5332 || 0.9163 || 0.0008641181 || 0.02144152
|-
| 1000 || 39.39 || 106.48 || 144.22 || 250.70 || 107.35 || 163.67 || 271.02 || 0.3920 || 0.5237 || 0.9157 || 0.0008700727 || 0.02031604
|-
| 1200 || 46.31 || 116.73 || 137.10 || 253.84 || 117.80 || 156.09 || 273.90 || 0.4245 || 0.4886 || 0.9131 || 0.0008935089 || 0.01671834
|-
| 1400 || 52.42 || 125.97 || 130.42 || 256.40 || 127.26 || 148.89 || 276.15 || 0.4533 || 0.4573 || 0.9106 || 0.000916715 || 0.01411025
|-
| 1600 || 57.91 || 134.47 || 124.03 || 258.50 || 135.97 || 141.93 || 277.90 || 0.4792 || 0.4287 || 0.9079 || 0.0009400982 || 0.01212647
|-
| 1800 || 62.90 || 142.38 || 117.82 || 260.20 || 144.11 || 135.10 || 279.21 || 0.5031 || 0.4020 || 0.9051 || 0.0009640043 || 0.01056171
|-
| 2000 || 67.48 || 149.83 || 111.72 || 261.55 || 151.81 || 128.33 || 280.14 || 0.5252 || 0.3767 || 0.9020 || 0.000988766 || 0.009291495
|-
| 2500 || 77.58 || 167.06 || 96.45 || 263.51 || 169.70 || 111.16 || 280.86 || 0.5755 || 0.3169 || 0.8925 || 0.001056916 || 0.006940272
|-
| 3000 || 86.20 || 183.14 || 80.21 || 263.35 || 186.56 || 92.63 || 279.19 || 0.6215 || 0.2578 || 0.8792 || 0.001141276 || 0.005281312
|}

''Calculation note:'' Values were generated with [https://coolprop.org/ CoolProp 8.0.0] using the HEOS model for R134a. Pressure is absolute. Thermodynamic reference convention: CoolProp ASHRAE for R134a. Definition: Saturated liquid at −40 °C is assigned h = 0 kJ/kg and s = 0 kJ/(kg·K). Reference anchor for reproducibility: T = -103.3 °C, p = 0.38956379 kPa, Q = 0 (saturated liquid), u = -76.689297 kJ/kg, h = -76.689052 kJ/kg, and s = -0.38299348 kJ/(kg·K).

[[Thermodynamics/Property tables and charts/CoolProp/Saturated refrigerant-134a - Pressure table/Code]]

{{BookCat}}</text>
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  <page>
    <title>User:StretchBeyond</title>
    <ns>2</ns>
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      <text bytes="1629" sha1="16wi116tczmiesjj7wc7bp302fe593c" xml:space="preserve">== About Me ==
I am a military veteran, working to complete a Bachelor of Science in Psychology as part of a lifelong approach to learning. After a military career working with people around the world on a spectrum of operations, I wanted to better understand the human dimension and the science behind what makes us all tick. Along the way, I want to give back to the community where I can. I have an interest in veterans' PTSD, advocacy and international affairs.

== Book Chapter ==
I am writing a book chapter titled [[Motivation and emotion/Book/2026/Immersive therapy for PTSD treatment|Immersive Therapy for PTSD: How does it work and what are the effects?]] This is an individual student contribution as part of a larger class effort in 2026 to write a book [[Motivation and emotion/Book]].

== Social Contributions ==

# '''18 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Defence mechanisms and emotion regulation. Edits at https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FDefence_mechanisms_and_emotion_regulation&amp;diff=2822629&amp;oldid=2763661
# '''18 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Neurodivergence and trauma. Edits at https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FNeurodivergence_and_trauma&amp;diff=2822636&amp;oldid=2812805
# '''19 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Incentive theory of motivation. Edits at&lt;nowiki/&gt;https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FIncentive_theory_of_motivation&amp;diff=2822844&amp;oldid=2814898</text>
      <sha1>16wi116tczmiesjj7wc7bp302fe593c</sha1>
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    <revision>
      <id>2823044</id>
      <parentid>2822845</parentid>
      <timestamp>2026-08-19T08:46:24Z</timestamp>
      <contributor>
        <username>StretchBeyond</username>
        <id>3105744</id>
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      <text bytes="1886" sha1="8etz6rze6s8nap8xtlkxkxeiu673jdj" xml:space="preserve">== About Me ==
I am a military veteran, working to complete a Bachelor of Science in Psychology as part of a lifelong approach to learning. After a military career working with people around the world on a spectrum of operations, I wanted to better understand the human dimension and the science behind what makes us all tick. Along the way, I want to give back to the community where I can. I have an interest in veterans' PTSD, advocacy and international affairs.

== Book Chapter ==
I am writing a book chapter titled [[Motivation and emotion/Book/2026/Immersive therapy for PTSD treatment|Immersive Therapy for PTSD: How does it work and what are the effects?]] This is an individual student contribution as part of a larger class effort in 2026 to write a book [[Motivation and emotion/Book]].

== Social Contributions ==

# '''18 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Defence mechanisms and emotion regulation. Edits at https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FDefence_mechanisms_and_emotion_regulation&amp;diff=2822629&amp;oldid=2763661
# '''18 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Neurodivergence and trauma. Edits at https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FNeurodivergence_and_trauma&amp;diff=2822636&amp;oldid=2812805
# '''19 Aug 26:''' Grammar and content editing improvements on 2025 chapter, Incentive theory of motivation. Edits at&lt;nowiki/&gt;https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2025%2FIncentive_theory_of_motivation&amp;diff=2822844&amp;oldid=2814898
# '''19 Aug 26:''' UC Canvas Discussion: Introduced the book chapter intent to the class and welcomed anyone with sim&lt;nowiki/&gt;ilar topics or interests to contribute. I offered the same. https://uclearn.canberra.edu.au/courses/20143/discussion_topics/456450</text>
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      <timestamp>2026-08-18T12:22:07Z</timestamp>
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      <text bytes="10378" sha1="aqu1qk83hd6l27sf3h9gqf7gm02ti4g" xml:space="preserve">[[Motivation and emotion/Book/2026/Body neutrality and emotional well-being|Topic Development and Book Chapter]]

{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>aqu1qk83hd6l27sf3h9gqf7gm02ti4g</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Outdoor play and children's emotional well-being</title>
    <ns>0</ns>
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    <revision>
      <id>2822865</id>
      <parentid>2822642</parentid>
      <timestamp>2026-08-19T00:58:34Z</timestamp>
      <contributor>
        <username>Mymunu</username>
        <id>3106327</id>
      </contributor>
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__TOC__

==Overview==
{{RoundBoxTop|theme=3}}Imagine this...
Children often have some free time after school or during weekends. Sometimes they remain indoors while on other days they go outside and play the games of their choices. They may choose to ride a bike, skate, play around the park, do some creative things from natural stuffs, throw rocks into lakes or engage in adventure play. Some of them might play games with other children.
Outdoor play does not always follow specific rules and it may not go smoothly. In some occasions games may become frustrating, another child may disagree about the rules or anything that may be against individual thoughts. The children might change or avoid the activity, negotiate with others, shows anger and dissatisfaction, stay calm or try again.
What, if these experiences might influence on children's emotional well-being? Is it being outside, being physically active, having autonomy in their play, socialising with other children, managing emotions during play or combination of these experiences?


{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Children]]
[[Category:Motivation and emotion/Book/Nature]]
[[Category:Motivation and emotion/Book/Well-being]]</text>
      <sha1>5lz716gr3znmx4fwxt6ishyq6rszb2j</sha1>
    </revision>
    <revision>
      <id>2822866</id>
      <parentid>2822865</parentid>
      <timestamp>2026-08-19T01:03:17Z</timestamp>
      <contributor>
        <username>Mymunu</username>
        <id>3106327</id>
      </contributor>
      <comment>/* Overview */</comment>
      <origin>2822866</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10567" sha1="67loomo2r3c45yb3chny8svnq2i0h1m" xml:space="preserve">{{title|Outdoor play and children's emotional well-being}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}{{RoundBoxBottom}}Imagine this...
Children often have some free time after school or during weekends. Sometimes they remain indoors while on other days they go outside and play the games of their choices. They may choose to ride a bike, skate, play around the park, do some creative things from natural stuffs, throw rocks into lakes or engage in adventure play. Some of them might play games with other children.
Outdoor play does not always follow specific rules and it may not go smoothly. In some occasions games may become frustrating, another child may disagree about the rules or anything that may be against individual thoughts. The children might change or avoid the activity, negotiate with others, shows anger and dissatisfaction, stay calm or try again.
What, if these experiences might influence on children's emotional well-being? Is it being outside, being physically active, having autonomy in their play, socialising with other children, managing emotions during play or combination of these experiences?

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Children]]
[[Category:Motivation and emotion/Book/Nature]]
[[Category:Motivation and emotion/Book/Well-being]]</text>
      <sha1>67loomo2r3c45yb3chny8svnq2i0h1m</sha1>
    </revision>
    <revision>
      <id>2822868</id>
      <parentid>2822866</parentid>
      <timestamp>2026-08-19T01:11:04Z</timestamp>
      <contributor>
        <username>Mymunu</username>
        <id>3106327</id>
      </contributor>
      <comment>/* Overview */</comment>
      <origin>2822868</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10760" sha1="jc9pyo50273j1fkhm8kbb7q05hilrp3" xml:space="preserve">{{title|Outdoor play and children's emotional well-being}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}{{RoundBoxBottom}}Imagine this...
Children often have some free time after school or during weekends. Sometimes they remain indoors while on other days they go outside and play the games of their choices. They may choose to ride a bike, skate, play around the park, do some creative things from natural stuffs, throw rocks into lakes or engage in adventure play. Some of them might play games with other children.
[[File:Https://pxhere.com/es/photo/938233|thumb|alt=Outdoor play involve movement, social interactions and engagement with surrounding environment|Figure 1:Children engaged in outdoor play]]
Outdoor play does not always follow specific rules and it may not go smoothly. In some occasions games may become frustrating, another child may disagree about the rules or anything that may be against individual thoughts. The children might change or avoid the activity, negotiate with others, shows anger and dissatisfaction, stay calm or try again.

What, if these experiences might influence on children's emotional well-being? Is it being outside, being physically active, having autonomy in their play, socialising with other children, managing emotions during play or combination of these experiences?

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}


==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Children]]
[[Category:Motivation and emotion/Book/Nature]]
[[Category:Motivation and emotion/Book/Well-being]]</text>
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  <page>
    <title>User:Mymunu</title>
    <ns>2</ns>
    <id>331236</id>
    <revision>
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      <contributor>
        <username>Mymunu</username>
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      <text bytes="1893" sha1="hwt1u1a0tht2rvlrq8hfq6v1l5giahe" xml:space="preserve">== About me ==
I am a psychology student at [https://www.canberra.edu.au/ University of Canberra]. I am interested in understanding how psychological science can be applied to better improve emotional well-being of children through outdoor play. Studying [[motivation and emotion]] will help me to further explore about motivation and emotional well-being in everyday life. 

== Book chapter I am working on ==
I am working on the book chapter [[Motivation and emotion/Book/2026|Outdoor play and children's emotional well-being]] : How does outdoor play influence children's emotional well-being?

== Interest and hobbies ==

*

== Overview ==
[[File:Https---commons.wikimedia.org-wiki-File-Children play on outdoor equipment, Blaketown Playcentre, 1987. CC114.jpg|thumb|'''Figure 1''': Children engaged in outdoor play. Outdoor play involve physical movement, social interaction, exploration, engagement with surrounding environment and emotional regulation.

]]
Children often have some free time after school or during weekends. Sometimes they remain indoors while on other days they choose to play outdoors. They freely engage in the activities of their choice. Some children may ride bike, skate, explore the nature, do some creative work using natural stuffs or make up games with other children.

Outdoor does not always follow pre determined rules or go smoothly. A game may become frustrating, other children may disagree about the rules, or something a child trying to negotiate may not work. The child may change or avoid the activity, negotiate with others, become upset or remain calm or try again.

How does outdoor play influence children's emotional well-being? Is it the physical activity, the autonomy to choose what and how to play, the social interaction, the experience of dealing with conflicting situations, or a combination of these factors?

== Social contributions ==</text>
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  </page>
  <page>
    <title>Talk:Motivation and emotion/Book/2026/Immersive therapy for PTSD treatment</title>
    <ns>1</ns>
    <id>331238</id>
    <revision>
      <id>2823039</id>
      <parentid>2822651</parentid>
      <timestamp>2026-08-19T08:34:52Z</timestamp>
      <contributor>
        <username>StretchBeyond</username>
        <id>3105744</id>
      </contributor>
      <comment>/* Vermetten image */ Reply</comment>
      <origin>2823039</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1453" sha1="3zz1n1ydrm1pwzopum2g97alhnkhb1i" xml:space="preserve">==Vermetten image==
{{ping|StretchBeyond}} You noted that &quot;(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.&quot;
: If you can download the image, it can then be uploaded to [[commons:]] and embedded on Wikiversity. However, there is a catch. The license is CC-NC (Non-commercial) which restricts re-use. Wiki Commons only accepts media which are unrestricted for re-use (e.g., public domain or creative commons attribution). Unfortunately, this image couldn't, for example, be re-used in private enterprise. You could potentially create your own image inspired by the original, and then you own the copyright to that image and can upload/embed it. -- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 05:21, 18 August 2026 (UTC)

:Thank you. Based on what your advised yesterday, I have had an attempt at integrating some journal concepts into a graphic that I generated with Microsoft CoPilot. I have embedded it into my article now and referenced it in the caption, but I can't get the caption to be visual on the front page. I'm still struggling with how to manipulate figures and boxes, as the edits are not intuitive.  [[User:StretchBeyond|StretchBeyond]] ([[User talk:StretchBeyond|discuss]] • [[Special:Contributions/StretchBeyond|contribs]]) 08:34, 19 August 2026 (UTC)</text>
      <sha1>3zz1n1ydrm1pwzopum2g97alhnkhb1i</sha1>
    </revision>
    <revision>
      <id>2823047</id>
      <parentid>2823039</parentid>
      <timestamp>2026-08-19T08:51:17Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>/* Vermetten image */ reply ([[mw:c:Special:MyLanguage/User:JWBTH/CD|CD]])</comment>
      <origin>2823047</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1988" sha1="p9ty8nvz6c5c408fstzlsip9t4cpzo8" xml:space="preserve">==Vermetten image==
{{ping|StretchBeyond}} You noted that &quot;(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.&quot;
: If you can download the image, it can then be uploaded to [[commons:]] and embedded on Wikiversity. However, there is a catch. The license is CC-NC (Non-commercial) which restricts re-use. Wiki Commons only accepts media which are unrestricted for re-use (e.g., public domain or creative commons attribution). Unfortunately, this image couldn't, for example, be re-used in private enterprise. You could potentially create your own image inspired by the original, and then you own the copyright to that image and can upload/embed it. -- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 05:21, 18 August 2026 (UTC)

:Thank you. Based on what your advised yesterday, I have had an attempt at integrating some journal concepts into a graphic that I generated with Microsoft CoPilot. I have embedded it into my article now and referenced it in the caption, but I can't get the caption to be visual on the front page. I'm still struggling with how to manipulate figures and boxes, as the edits are not intuitive.  [[User:StretchBeyond|StretchBeyond]] ([[User talk:StretchBeyond|discuss]] • [[Special:Contributions/StretchBeyond|contribs]]) 08:34, 19 August 2026 (UTC)
: Well done! Hopefully, [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FImmersive_therapy_for_PTSD_treatment&amp;diff=2823045&amp;oldid=2823035 this] did the trick. The images are clickable through to the licensing etc., so those details don't need to be in the caption. After a while it will probably make sense to use &quot;edit source&quot; which gives more editing control. -- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 08:51, 19 August 2026 (UTC)</text>
      <sha1>p9ty8nvz6c5c408fstzlsip9t4cpzo8</sha1>
    </revision>
    <revision>
      <id>2823051</id>
      <parentid>2823047</parentid>
      <timestamp>2026-08-19T08:55:53Z</timestamp>
      <contributor>
        <username>StretchBeyond</username>
        <id>3105744</id>
      </contributor>
      <comment>/* Vermetten image */ Reply</comment>
      <origin>2823051</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="2207" sha1="e7axhf2wf1asz0819fcu8yg6j721zwc" xml:space="preserve">==Vermetten image==
{{ping|StretchBeyond}} You noted that &quot;(The Vermetten 2025 reading has an excellent flow chat to use if I can figure out how to get it embedded. the journal article is Creative Commons4.0 - need to ask James.&quot;
: If you can download the image, it can then be uploaded to [[commons:]] and embedded on Wikiversity. However, there is a catch. The license is CC-NC (Non-commercial) which restricts re-use. Wiki Commons only accepts media which are unrestricted for re-use (e.g., public domain or creative commons attribution). Unfortunately, this image couldn't, for example, be re-used in private enterprise. You could potentially create your own image inspired by the original, and then you own the copyright to that image and can upload/embed it. -- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 05:21, 18 August 2026 (UTC)

:Thank you. Based on what your advised yesterday, I have had an attempt at integrating some journal concepts into a graphic that I generated with Microsoft CoPilot. I have embedded it into my article now and referenced it in the caption, but I can't get the caption to be visual on the front page. I'm still struggling with how to manipulate figures and boxes, as the edits are not intuitive.  [[User:StretchBeyond|StretchBeyond]] ([[User talk:StretchBeyond|discuss]] • [[Special:Contributions/StretchBeyond|contribs]]) 08:34, 19 August 2026 (UTC)
: Well done! Hopefully, [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FImmersive_therapy_for_PTSD_treatment&amp;diff=2823045&amp;oldid=2823035 this] did the trick. The images are clickable through to the licensing etc., so those details don't need to be in the caption. After a while it will probably make sense to use &quot;edit source&quot; which gives more editing control. -- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 08:51, 19 August 2026 (UTC)
::Thank you. I'll have some questions on this stuff tomorrow.  [[User:StretchBeyond|StretchBeyond]] ([[User talk:StretchBeyond|discuss]] • [[Special:Contributions/StretchBeyond|contribs]]) 08:55, 19 August 2026 (UTC)</text>
      <sha1>e7axhf2wf1asz0819fcu8yg6j721zwc</sha1>
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    <title>Motivation and emotion/Book/2026/Developing a growth mindset</title>
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      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Mindset]] using [[Help:Gadget-HotCat|HotCat]]</comment>
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      <text bytes="10313" sha1="0g0srhkc4icsx71yqw7cordz2cp91oh" xml:space="preserve">{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mindset]]</text>
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  <page>
    <title>Motivation and emotion/Book/2026/Volunteer wellbeing</title>
    <ns>0</ns>
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    <revision>
      <id>2822765</id>
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      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Volunteering]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822765</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10318" sha1="8ssx9llqzsekonkun14eix4ocm6lv0l" xml:space="preserve">{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Volunteering]]</text>
      <sha1>8ssx9llqzsekonkun14eix4ocm6lv0l</sha1>
    </revision>
    <revision>
      <id>2822766</id>
      <parentid>2822765</parentid>
      <timestamp>2026-08-18T12:44:43Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Well-being]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822766</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10370" sha1="5njl9357y8j9hwh6ganjr6jaaeqzd0s" xml:space="preserve">{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Volunteering]]
[[Category:Motivation and emotion/Book/Well-being]]</text>
      <sha1>5njl9357y8j9hwh6ganjr6jaaeqzd0s</sha1>
    </revision>
  </page>
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    <title>Motivation and emotion/Book/2026/Phubbing and emotion</title>
    <ns>0</ns>
    <id>331244</id>
    <revision>
      <id>2822763</id>
      <parentid>2822738</parentid>
      <timestamp>2026-08-18T12:43:48Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Mobile phone]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822763</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10363" sha1="9yboym4cnqbjfzwfnri8ysbw3ozk09e" xml:space="preserve">{{title|Phubbing and emotion:&lt;br&gt;What are the emotional causes and consequences of phubbing?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mobile phone]]</text>
      <sha1>9yboym4cnqbjfzwfnri8ysbw3ozk09e</sha1>
    </revision>
  </page>
  <page>
    <title>User talk:Mapcontechnologies</title>
    <ns>3</ns>
    <id>331245</id>
    <revision>
      <id>2822771</id>
      <timestamp>2026-08-18T12:57:56Z</timestamp>
      <contributor>
        <username>MathXplore</username>
        <id>2888076</id>
      </contributor>
      <comment>advert1 ([[m:User:ZbVl/VD|Vandoom]])</comment>
      <origin>2822771</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="816" sha1="gr1146yfcq5jmnyxnr22dq6s1cu2hso" xml:space="preserve">

== 2026-08-18 ==
&lt;div class=&quot;mw-content-ltr&quot; dir=&quot;ltr&quot; style=&quot;text-align: left&quot; lang=&quot;en&quot;&gt;[[File:Information.svg|25px|alt=Information icon]] Hello. Apologies for writing this in English, but I wanted to let you know that one or more of [[Special:Contributions/Mapcontechnologies|your recent contributions]] have been undone because they appeared to be promotional. [[:m:en:WP:SOAPBOX|Advertising or using &lt;span style=&quot;white-space:nowrap&quot;&gt;Wikiversity&lt;/span&gt; as a &quot;soapbox&quot;]] are not permitted. Take a look at the welcome pages to learn more about &lt;span style=&quot;white-space:nowrap&quot;&gt;Wikiversity&lt;/span&gt;. Thanks. &lt;/div&gt;&lt;!-- Glow-advert1 @ 1787057871934.7s --&gt;&lt;nowiki&gt;&lt;/nowiki&gt; [[User:MathXplore|MathXplore]] ([[User talk:MathXplore|discuss]] • [[Special:Contributions/MathXplore|contribs]]) 12:57, 18 August 2026 (UTC)</text>
      <sha1>gr1146yfcq5jmnyxnr22dq6s1cu2hso</sha1>
    </revision>
  </page>
  <page>
    <title>File:VLSI.Arith.2B.CLA.20260818.pdf</title>
    <ns>6</ns>
    <id>331246</id>
    <revision>
      <id>2822774</id>
      <timestamp>2026-08-18T14:18:44Z</timestamp>
      <contributor>
        <username>Young1lim</username>
        <id>21186</id>
      </contributor>
      <comment>{{Information
|Description=Carry Lookahead Adders 2B Single Level (20260818 - 20260817)
|Source={{own|Young1lim}}
|Date=2026-08-18
|Author=Young W. Lim
|Permission={{self|GFDL|cc-by-sa-4.0,3.0,2.5,2.0,1.0}}
}}</comment>
      <origin>2822774</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="283" sha1="49l8fi95pbhtrrjoucuh6a6nm2bf5n1" xml:space="preserve">== Summary ==
{{Information
|Description=Carry Lookahead Adders 2B Single Level (20260818 - 20260817)
|Source={{own|Young1lim}}
|Date=2026-08-18
|Author=Young W. Lim
|Permission={{self|GFDL|cc-by-sa-4.0,3.0,2.5,2.0,1.0}}
}}

== Licensing ==
{{self|GFDL|cc-by-sa-4.0,3.0,2.5,2.0,1.0}}</text>
      <sha1>49l8fi95pbhtrrjoucuh6a6nm2bf5n1</sha1>
    </revision>
  </page>
  <page>
    <title>Gray-Matter Transition Hypothesis</title>
    <ns>0</ns>
    <id>331247</id>
    <revision>
      <id>2822777</id>
      <timestamp>2026-08-18T15:28:19Z</timestamp>
      <contributor>
        <username>David R. Northrop</username>
        <id>3108242</id>
      </contributor>
      <comment>I created the theory</comment>
      <origin>2822777</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="6983" sha1="jzcsuemf86c5vwzfre7tu78zdu6rjx2" xml:space="preserve">PROPOSED COSMOLOGICAL HYPOTHESIS
Gray-Matter Transition Hypothesis
Not to be confused with gray matter in biological nervous tissue.

Scientific-status notice: The Gray-Matter Transition Hypothesis is a speculative concept proposed by David Northrop. “Gray matter” and the “Grayon,” as defined here, are not recognized particles or substances in the Standard Model of particle physics, and no experimental evidence currently establishes their existence.
Gray-Matter Transition Hypothesis
Proposed by	David Northrop
First formulated	August 18, 2026
Field	Speculative cosmology and particle physics
Central entity	Grayon (hypothetical)
Inputs	Ordinary matter, antimatter, and dark matter
Proposed era	Earliest hot, dense phase of the universe
Current status	Unverified; not peer-reviewed
Overview
The Gray-Matter Transition Hypothesis is a proposed cosmological model in which ordinary matter, antimatter, and dark matter may combine under extreme early-universe conditions to produce a temporary fourth state called gray matter. A discrete hypothetical unit of this state is termed a Grayon.

The proposal treats gray matter as an emergent transition state, rather than as a substance from which the other three forms originate. Dark matter is hypothesized to stabilize, redirect, or capture energy that would ordinarily be released when matter and antimatter annihilate. The resulting state would exist only while a specific three-way interaction and energy threshold were maintained.

Gray matter is a temporary, balanced state produced when ordinary matter, antimatter, and dark matter converge under the extreme conditions of the early universe.
Formulation
The hypothesis can be represented conceptually as:

M + M̄ + D  ⟶  G
M — ordinary matter
M̄ — antimatter
D — dark matter
G — gray matter or a Grayon state
The arrow denotes a proposed critical convergence: a regime of sufficiently high temperature, density, energy, and particle interaction. The model requires an unknown interaction between the dark and visible sectors strong enough to modify matter–antimatter annihilation. Such an interaction is not part of the currently established Standard Model.

Proposed cosmological role
The early universe provides the intended setting for the hypothesis. Standard cosmology describes its first moments as extremely hot and dense, with particle–antiparticle pairs being created and destroyed. The fate of the expected antimatter and the particle identity of dark matter remain major open questions.

Initial particle environment: matter and antimatter exist in a high-energy, densely interacting state; the hypothesis additionally assumes a suitable dark-sector population.
Critical convergence: all three components encounter one another above a proposed energy or density threshold.
Gray-matter phase: Grayons temporarily store or reorganize some of the system’s mass-energy while balancing ordinary, antimatter, and dark-sector properties.
Cosmic expansion: cooling and decreasing density prevent continued Grayon production.
Decay or freeze-out: Grayons decay into other particles or survive as rare relics. An asymmetric decay is proposed as one possible contributor to the present excess of matter over antimatter.
Proposed properties
Within the hypothesis, gray matter would be expected to have several defining properties. These are proposed characteristics, not measurements:

electrical neutrality or a net cancellation of visible charge;
coupling to both ordinary particles and a presently unknown dark-sector particle;
a short-lived or metastable existence at early-universe energies;
high mass-energy density relative to ordinary bound matter;
limited electromagnetic emission while stable;
decay channels capable of producing ordinary matter, antimatter, dark matter, radiation, or neutrinos.
A complete physical model would also need to define the Grayon’s mass, spin, lifetime, quantum numbers, interaction strengths, formation rate, and decay probabilities.

Possible predictions and tests
For the proposal to become a scientific theory, it would need quantitative equations that produce observations distinguishable from existing cosmological models. Candidate signatures could include:

a measurable modification to the universe’s expansion rate during its earliest eras;
effects on primordial element abundances predicted by Big Bang nucleosynthesis;
a characteristic pattern in the cosmic microwave background;
an unexplained spectrum of photons, neutrinos, or other particles from Grayon decay;
a calculable link between the abundance of ordinary matter and dark matter;
stable or long-lived Grayon relics detectable through gravity or rare particle interactions.
Any viable version would have to conserve energy, momentum, charge, and all applicable quantum numbers, or identify a testable mechanism explaining an apparent violation.

Relationship to established physics
Antimatter is experimentally established and consists of antiparticles corresponding to ordinary particles. Matter and antimatter normally annihilate when they interact, producing other particles and radiation. Dark matter is inferred through gravitational effects, but its microscopic composition has not been identified.

The proposed Grayon is not the Higgs boson. The Higgs boson is an excitation of the Higgs field associated with the mechanism by which elementary particles acquire mass. The Gray-Matter Transition Hypothesis instead proposes an unknown composite or emergent state involving ordinary matter, antimatter, and dark matter.

No published evidence presently demonstrates that dark matter can stabilize matter–antimatter interactions in the manner required by this proposal. The hypothesis therefore remains an original speculative framework pending mathematical development, peer review, and experimental testing.

Origin and attribution
The concept was formulated by David Northrop on August 18, 2026, during a discussion about the relationship between ordinary matter, antimatter, and dark matter. Northrop proposed that all three could form a separate balanced state called gray matter, which would be most likely to occur during the earliest, hottest, and densest stages of the universe.

Concept credit
Gray-Matter Transition Hypothesis and “Grayon” formulation: David Northrop, 2026.
References and background reading
CERN. “Antimatter.” Overview of antimatter, annihilation, and the matter–antimatter asymmetry problem.
CERN. “The early universe.” Background on the hot, dense early universe and the development of matter.
CERN. “The Higgs boson.” Explanation of the Higgs field, Higgs boson, and particle mass.
NASA. “Dark Matter.” Background on the observational evidence and scientific study of dark matter.
This independent wiki-style page documents the origin and structure of a proposed idea. It is not affiliated with Wikipedia, CERN, NASA, or an academic publisher. Last revised August 18, 2026.</text>
      <sha1>jzcsuemf86c5vwzfre7tu78zdu6rjx2</sha1>
    </revision>
  </page>
  <page>
    <title>Thermodynamics/Property tables and charts/CoolProp/Saturated refrigerant-134a - Temperature table/Code</title>
    <ns>0</ns>
    <id>331248</id>
    <revision>
      <id>2822779</id>
      <timestamp>2026-08-18T15:38:26Z</timestamp>
      <contributor>
        <username>IanVG</username>
        <id>2918363</id>
      </contributor>
      <comment>Provided code to recreate the table</comment>
      <origin>2822779</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="7701" sha1="ig8mvm91u7ym95k1juqd27awkqglbqj" xml:space="preserve">&lt;syntaxhighlight lang=&quot;python&quot;&gt;
&quot;&quot;&quot;Reproduce thermodynamic data generated by the Wikiversity tool.

Requirements: Python 3 and CoolProp 8.0.0.
The CSV values are intentionally not rounded or formatted for presentation.
&quot;&quot;&quot;

import csv
import sys

import CoolProp
from CoolProp.CoolProp import PhaseSI, PropsSI, set_reference_state

# Ensure unit symbols and property names are portable when output is redirected.
if hasattr(sys.stdout, &quot;reconfigure&quot;):
    sys.stdout.reconfigure(encoding=&quot;utf-8&quot;, newline=&quot;&quot;)

REQUIRED_COOLPROP_VERSION = '8.0.0'
FLUID = 'R134a'
FLUID_REF = f&quot;HEOS::{FLUID}&quot;
REFERENCE_CONVENTION = 'ASHRAE'
STATE = 'Saturated'
AXIS = 'Temperature'
PRESSURE_AXIS = 'Pressure'
SATURATED = 'Saturated'
PRESSURES_MPA = []
TEMPERATURES_C = [-40.0,
 -35.0,
 -30.0,
 -25.0,
 -20.0,
 -15.0,
 -10.0,
 -5.0,
 0.0,
 5.0,
 10.0,
 15.0,
 20.0,
 25.0,
 30.0,
 35.0,
 40.0,
 45.0,
 50.0,
 55.0,
 60.0,
 65.0,
 70.0,
 75.0,
 80.0,
 85.0,
 90.0,
 95.0,
 100.0]
COLUMN_KEYS = ['t_c',
 'p_bar',
 'v_f',
 'v_g',
 'u_f',
 'u_fg',
 'u_g',
 'h_f',
 'h_fg',
 'h_g',
 's_f',
 's_fg',
 's_g']
COLUMN_UNITS = {'t_c': '°C',
 'p_bar': 'bar',
 'v_f': 'm³/kg',
 'v_g': 'm³/kg',
 'u_f': 'kJ/kg',
 'u_fg': 'kJ/kg',
 'u_g': 'kJ/kg',
 'h_f': 'kJ/kg',
 'h_fg': 'kJ/kg',
 'h_g': 'kJ/kg',
 's_f': 'kJ/(kg·K)',
 's_fg': 'kJ/(kg·K)',
 's_g': 'kJ/(kg·K)'}
COLUMN_GROUPS = {'t_c': 'temperature',
 'p_bar': 'pressure',
 'v_f': 'specific_volume',
 'v_g': 'specific_volume',
 'u_f': 'internal_energy',
 'u_fg': 'internal_energy',
 'u_g': 'internal_energy',
 'h_f': 'enthalpy',
 'h_fg': 'enthalpy',
 'h_g': 'enthalpy',
 's_f': 'entropy',
 's_fg': 'entropy',
 's_g': 'entropy'}
DEFAULT_COLUMN_UNITS = {'t_c': '°C',
 'p_bar': 'bar',
 'v_f': 'm³/kg',
 'v_g': 'm³/kg',
 'u_f': 'kJ/kg',
 'u_fg': 'kJ/kg',
 'u_g': 'kJ/kg',
 'h_f': 'kJ/kg',
 'h_fg': 'kJ/kg',
 'h_g': 'kJ/kg',
 's_f': 'kJ/(kg·K)',
 's_fg': 'kJ/(kg·K)',
 's_g': 'kJ/(kg·K)'}
CSV_HEADERS = ['Saturation temperature, T_sat (°C)',
 'Saturation pressure, p_sat (bar)',
 'Liquid specific volume, v_f (m³/kg)',
 'Vapor specific volume, v_g (m³/kg)',
 'Liquid internal energy, u_f (kJ/kg)',
 'Internal energy of vaporization, u_fg (kJ/kg)',
 'Vapor internal energy, u_g (kJ/kg)',
 'Liquid enthalpy, h_f (kJ/kg)',
 'Enthalpy of vaporization, h_fg (kJ/kg)',
 'Vapor enthalpy, h_g (kJ/kg)',
 'Liquid entropy, s_f (kJ/(kg·K))',
 'Entropy of vaporization, s_fg (kJ/(kg·K))',
 'Vapor entropy, s_g (kJ/(kg·K))']


if CoolProp.__version__ != REQUIRED_COOLPROP_VERSION:
    raise RuntimeError(
        f&quot;CoolProp {REQUIRED_COOLPROP_VERSION} is required; &quot;
        f&quot;found {CoolProp.__version__}.&quot;
    )

set_reference_state(FLUID, REFERENCE_CONVENTION)


def convert_value(value, key):
    &quot;&quot;&quot;Convert a calculated value from the tool's base unit to its selected unit.&quot;&quot;&quot;
    unit = COLUMN_UNITS[key]
    default = DEFAULT_COLUMN_UNITS[key]
    group = COLUMN_GROUPS[key]
    if unit == default or unit == &quot;—&quot; or not isinstance(value, (int, float)):
        return value
    if group == &quot;pressure&quot;:
        base_mpa = value / 10.0 if key == &quot;p_bar&quot; else value / 1000.0 if key == &quot;p_kpa&quot; else value
        return {
            &quot;MPa&quot;: base_mpa,
            &quot;kPa&quot;: base_mpa * 1000.0,
            &quot;bar&quot;: base_mpa * 10.0,
            &quot;Pa&quot;: base_mpa * 1_000_000.0,
            &quot;psi&quot;: base_mpa * 145.03773773,
        }[unit]
    if group == &quot;temperature&quot;:
        return {
            &quot;°C&quot;: value,
            &quot;K&quot;: value + 273.15,
            &quot;°F&quot;: value * 9.0 / 5.0 + 32.0,
            &quot;°R&quot;: (value + 273.15) * 9.0 / 5.0,
        }[unit]
    if group == &quot;specific_volume&quot;:
        return value * 16.01846337
    if group == &quot;density&quot;:
        return value * 0.06242796058
    if group in {&quot;internal_energy&quot;, &quot;enthalpy&quot;}:
        return value * (1000.0 if unit == &quot;J/kg&quot; else 0.429922614)
    if group in {&quot;entropy&quot;, &quot;heat_capacity&quot;}:
        return value * (1000.0 if unit == &quot;J/(kg·K)&quot; else 0.238845897)
    if group == &quot;acoustic&quot;:
        return value * 3.280839895
    if key == &quot;viscosity&quot;:
        return value / (1_000_000.0 if unit == &quot;Pa·s&quot; else 1000.0)
    if key == &quot;conductivity&quot;:
        return value * 0.577789318
    return value


def saturation_values(independent_value):
    input_key = &quot;P&quot; if AXIS == PRESSURE_AXIS else &quot;T&quot;
    input_value = (
        independent_value * 1_000_000.0
        if AXIS == PRESSURE_AXIS
        else independent_value + 273.15
    )
    pressure = PropsSI(&quot;P&quot;, input_key, input_value, &quot;Q&quot;, 0, FLUID_REF)
    temperature = PropsSI(&quot;T&quot;, input_key, input_value, &quot;Q&quot;, 0, FLUID_REF)

    def prop(output, quality, scale=1.0):
        return PropsSI(output, input_key, input_value, &quot;Q&quot;, quality, FLUID_REF) / scale

    density_liquid = prop(&quot;Dmass&quot;, 0)
    density_vapor = prop(&quot;Dmass&quot;, 1)
    internal_energy_liquid = prop(&quot;Umass&quot;, 0, 1000.0)
    internal_energy_vapor = prop(&quot;Umass&quot;, 1, 1000.0)
    enthalpy_liquid = prop(&quot;Hmass&quot;, 0, 1000.0)
    enthalpy_vapor = prop(&quot;Hmass&quot;, 1, 1000.0)
    entropy_liquid = prop(&quot;Smass&quot;, 0, 1000.0)
    entropy_vapor = prop(&quot;Smass&quot;, 1, 1000.0)
    return {
        &quot;p_mpa&quot;: pressure / 1_000_000.0,
        &quot;p_kpa&quot;: pressure / 1_000.0,
        &quot;p_bar&quot;: pressure / 100_000.0,
        &quot;t_c&quot;: temperature - 273.15,
        &quot;v_f&quot;: 1.0 / density_liquid,
        &quot;v_g&quot;: 1.0 / density_vapor,
        &quot;rho_f&quot;: density_liquid,
        &quot;rho_g&quot;: density_vapor,
        &quot;u_f&quot;: internal_energy_liquid,
        &quot;u_g&quot;: internal_energy_vapor,
        &quot;u_fg&quot;: internal_energy_vapor - internal_energy_liquid,
        &quot;h_f&quot;: enthalpy_liquid,
        &quot;h_g&quot;: enthalpy_vapor,
        &quot;h_fg&quot;: enthalpy_vapor - enthalpy_liquid,
        &quot;s_f&quot;: entropy_liquid,
        &quot;s_g&quot;: entropy_vapor,
        &quot;s_fg&quot;: entropy_vapor - entropy_liquid,
        &quot;cp_f&quot;: prop(&quot;Cpmass&quot;, 0, 1000.0),
        &quot;cp_g&quot;: prop(&quot;Cpmass&quot;, 1, 1000.0),
    }


def single_phase_values(pressure_mpa, temperature_c):
    pressure = pressure_mpa * 1_000_000.0
    temperature = temperature_c + 273.15
    phase = PhaseSI(&quot;P&quot;, pressure, &quot;T&quot;, temperature, FLUID_REF)

    def prop(output, scale=1.0):
        return PropsSI(output, &quot;P&quot;, pressure, &quot;T&quot;, temperature, FLUID_REF) / scale

    density = prop(&quot;Dmass&quot;)
    return {
        &quot;p_mpa&quot;: pressure_mpa,
        &quot;p_kpa&quot;: pressure_mpa * 1000.0,
        &quot;p_bar&quot;: pressure_mpa * 10.0,
        &quot;t_c&quot;: temperature_c,
        &quot;phase&quot;: phase,
        &quot;v&quot;: 1.0 / density,
        &quot;rho&quot;: density,
        &quot;u&quot;: prop(&quot;Umass&quot;, 1000.0),
        &quot;h&quot;: prop(&quot;Hmass&quot;, 1000.0),
        &quot;s&quot;: prop(&quot;Smass&quot;, 1000.0),
        &quot;cp&quot;: prop(&quot;Cpmass&quot;, 1000.0),
        &quot;cv&quot;: prop(&quot;Cvmass&quot;, 1000.0),
        &quot;speed_sound&quot;: prop(&quot;speed_of_sound&quot;),
        &quot;viscosity&quot;: prop(&quot;viscosity&quot;) * 1_000_000.0,
        &quot;conductivity&quot;: prop(&quot;conductivity&quot;),
        &quot;prandtl&quot;: prop(&quot;Prandtl&quot;),
    }


def requested_phase(phase):
    return (
        (STATE == &quot;Subcooled liquid&quot; and phase == &quot;liquid&quot;)
        or (STATE == &quot;Superheated vapor&quot; and phase == &quot;gas&quot;)
    )


def rows():
    if STATE == SATURATED:
        independent_values = PRESSURES_MPA if AXIS == PRESSURE_AXIS else TEMPERATURES_C
        for independent_value in independent_values:
            yield saturation_values(independent_value)
        return

    for pressure_mpa in PRESSURES_MPA:
        for temperature_c in TEMPERATURES_C:
            try:
                values = single_phase_values(pressure_mpa, temperature_c)
            except ValueError:
                continue
            if requested_phase(values[&quot;phase&quot;]):
                yield values


writer = csv.writer(sys.stdout, lineterminator=&quot;\n&quot;)
writer.writerow(CSV_HEADERS)
for values in rows():
    writer.writerow([convert_value(values[key], key) for key in COLUMN_KEYS])

&lt;/syntaxhighlight&gt;</text>
      <sha1>ig8mvm91u7ym95k1juqd27awkqglbqj</sha1>
    </revision>
  </page>
  <page>
    <title>Thermodynamics/Property tables and charts/CoolProp/Saturated refrigerant-134a - Pressure table/Code</title>
    <ns>0</ns>
    <id>331249</id>
    <revision>
      <id>2822781</id>
      <timestamp>2026-08-18T15:42:36Z</timestamp>
      <contributor>
        <username>IanVG</username>
        <id>2918363</id>
      </contributor>
      <comment>code for recreating table</comment>
      <origin>2822781</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="7755" sha1="pf3qov11jssq3e0va7kczif4173prec" xml:space="preserve">&lt;syntaxhighlight lang=&quot;python&quot;&gt;
&quot;&quot;&quot;Reproduce thermodynamic data generated by the Wikiversity tool.

Requirements: Python 3 and CoolProp 8.0.0.
The CSV values are intentionally not rounded or formatted for presentation.
&quot;&quot;&quot;

import csv
import sys

import CoolProp
from CoolProp.CoolProp import PhaseSI, PropsSI, set_reference_state

# Ensure unit symbols and property names are portable when output is redirected.
if hasattr(sys.stdout, &quot;reconfigure&quot;):
    sys.stdout.reconfigure(encoding=&quot;utf-8&quot;, newline=&quot;&quot;)

REQUIRED_COOLPROP_VERSION = '8.0.0'
FLUID = 'R134a'
FLUID_REF = f&quot;HEOS::{FLUID}&quot;
REFERENCE_CONVENTION = 'ASHRAE'
STATE = 'Saturated'
AXIS = 'Pressure'
PRESSURE_AXIS = 'Pressure'
SATURATED = 'Saturated'
PRESSURES_MPA = [0.06,
 0.07,
 0.08,
 0.09,
 0.1,
 0.12,
 0.14,
 0.16,
 0.18,
 0.2,
 0.24,
 0.28,
 0.32,
 0.36,
 0.4,
 0.45,
 0.5,
 0.55,
 0.6,
 0.65,
 0.7000000000000001,
 0.75,
 0.8,
 0.85,
 0.9,
 0.9500000000000001,
 1.0,
 1.2,
 1.4000000000000001,
 1.6,
 1.8,
 2.0,
 2.5,
 3.0]
TEMPERATURES_C = []
COLUMN_KEYS = ['p_mpa',
 't_c',
 'u_f',
 'u_fg',
 'u_g',
 'h_f',
 'h_fg',
 'h_g',
 's_f',
 's_fg',
 's_g',
 'v_f',
 'v_g']
COLUMN_UNITS = {'p_mpa': 'kPa',
 't_c': '°C',
 'u_f': 'kJ/kg',
 'u_fg': 'kJ/kg',
 'u_g': 'kJ/kg',
 'h_f': 'kJ/kg',
 'h_fg': 'kJ/kg',
 'h_g': 'kJ/kg',
 's_f': 'kJ/(kg·K)',
 's_fg': 'kJ/(kg·K)',
 's_g': 'kJ/(kg·K)',
 'v_f': 'm³/kg',
 'v_g': 'm³/kg'}
COLUMN_GROUPS = {'p_mpa': 'pressure',
 't_c': 'temperature',
 'u_f': 'internal_energy',
 'u_fg': 'internal_energy',
 'u_g': 'internal_energy',
 'h_f': 'enthalpy',
 'h_fg': 'enthalpy',
 'h_g': 'enthalpy',
 's_f': 'entropy',
 's_fg': 'entropy',
 's_g': 'entropy',
 'v_f': 'specific_volume',
 'v_g': 'specific_volume'}
DEFAULT_COLUMN_UNITS = {'p_mpa': 'MPa',
 't_c': '°C',
 'u_f': 'kJ/kg',
 'u_fg': 'kJ/kg',
 'u_g': 'kJ/kg',
 'h_f': 'kJ/kg',
 'h_fg': 'kJ/kg',
 'h_g': 'kJ/kg',
 's_f': 'kJ/(kg·K)',
 's_fg': 'kJ/(kg·K)',
 's_g': 'kJ/(kg·K)',
 'v_f': 'm³/kg',
 'v_g': 'm³/kg'}
CSV_HEADERS = ['Saturation pressure, p_sat (kPa)',
 'Saturation temperature, T_sat (°C)',
 'Liquid internal energy, u_f (kJ/kg)',
 'Internal energy of vaporization, u_fg (kJ/kg)',
 'Vapor internal energy, u_g (kJ/kg)',
 'Liquid enthalpy, h_f (kJ/kg)',
 'Enthalpy of vaporization, h_fg (kJ/kg)',
 'Vapor enthalpy, h_g (kJ/kg)',
 'Liquid entropy, s_f (kJ/(kg·K))',
 'Entropy of vaporization, s_fg (kJ/(kg·K))',
 'Vapor entropy, s_g (kJ/(kg·K))',
 'Liquid specific volume, v_f (m³/kg)',
 'Vapor specific volume, v_g (m³/kg)']


if CoolProp.__version__ != REQUIRED_COOLPROP_VERSION:
    raise RuntimeError(
        f&quot;CoolProp {REQUIRED_COOLPROP_VERSION} is required; &quot;
        f&quot;found {CoolProp.__version__}.&quot;
    )

set_reference_state(FLUID, REFERENCE_CONVENTION)


def convert_value(value, key):
    &quot;&quot;&quot;Convert a calculated value from the tool's base unit to its selected unit.&quot;&quot;&quot;
    unit = COLUMN_UNITS[key]
    default = DEFAULT_COLUMN_UNITS[key]
    group = COLUMN_GROUPS[key]
    if unit == default or unit == &quot;—&quot; or not isinstance(value, (int, float)):
        return value
    if group == &quot;pressure&quot;:
        base_mpa = value / 10.0 if key == &quot;p_bar&quot; else value / 1000.0 if key == &quot;p_kpa&quot; else value
        return {
            &quot;MPa&quot;: base_mpa,
            &quot;kPa&quot;: base_mpa * 1000.0,
            &quot;bar&quot;: base_mpa * 10.0,
            &quot;Pa&quot;: base_mpa * 1_000_000.0,
            &quot;psi&quot;: base_mpa * 145.03773773,
        }[unit]
    if group == &quot;temperature&quot;:
        return {
            &quot;°C&quot;: value,
            &quot;K&quot;: value + 273.15,
            &quot;°F&quot;: value * 9.0 / 5.0 + 32.0,
            &quot;°R&quot;: (value + 273.15) * 9.0 / 5.0,
        }[unit]
    if group == &quot;specific_volume&quot;:
        return value * 16.01846337
    if group == &quot;density&quot;:
        return value * 0.06242796058
    if group in {&quot;internal_energy&quot;, &quot;enthalpy&quot;}:
        return value * (1000.0 if unit == &quot;J/kg&quot; else 0.429922614)
    if group in {&quot;entropy&quot;, &quot;heat_capacity&quot;}:
        return value * (1000.0 if unit == &quot;J/(kg·K)&quot; else 0.238845897)
    if group == &quot;acoustic&quot;:
        return value * 3.280839895
    if key == &quot;viscosity&quot;:
        return value / (1_000_000.0 if unit == &quot;Pa·s&quot; else 1000.0)
    if key == &quot;conductivity&quot;:
        return value * 0.577789318
    return value


def saturation_values(independent_value):
    input_key = &quot;P&quot; if AXIS == PRESSURE_AXIS else &quot;T&quot;
    input_value = (
        independent_value * 1_000_000.0
        if AXIS == PRESSURE_AXIS
        else independent_value + 273.15
    )
    pressure = PropsSI(&quot;P&quot;, input_key, input_value, &quot;Q&quot;, 0, FLUID_REF)
    temperature = PropsSI(&quot;T&quot;, input_key, input_value, &quot;Q&quot;, 0, FLUID_REF)

    def prop(output, quality, scale=1.0):
        return PropsSI(output, input_key, input_value, &quot;Q&quot;, quality, FLUID_REF) / scale

    density_liquid = prop(&quot;Dmass&quot;, 0)
    density_vapor = prop(&quot;Dmass&quot;, 1)
    internal_energy_liquid = prop(&quot;Umass&quot;, 0, 1000.0)
    internal_energy_vapor = prop(&quot;Umass&quot;, 1, 1000.0)
    enthalpy_liquid = prop(&quot;Hmass&quot;, 0, 1000.0)
    enthalpy_vapor = prop(&quot;Hmass&quot;, 1, 1000.0)
    entropy_liquid = prop(&quot;Smass&quot;, 0, 1000.0)
    entropy_vapor = prop(&quot;Smass&quot;, 1, 1000.0)
    return {
        &quot;p_mpa&quot;: pressure / 1_000_000.0,
        &quot;p_kpa&quot;: pressure / 1_000.0,
        &quot;p_bar&quot;: pressure / 100_000.0,
        &quot;t_c&quot;: temperature - 273.15,
        &quot;v_f&quot;: 1.0 / density_liquid,
        &quot;v_g&quot;: 1.0 / density_vapor,
        &quot;rho_f&quot;: density_liquid,
        &quot;rho_g&quot;: density_vapor,
        &quot;u_f&quot;: internal_energy_liquid,
        &quot;u_g&quot;: internal_energy_vapor,
        &quot;u_fg&quot;: internal_energy_vapor - internal_energy_liquid,
        &quot;h_f&quot;: enthalpy_liquid,
        &quot;h_g&quot;: enthalpy_vapor,
        &quot;h_fg&quot;: enthalpy_vapor - enthalpy_liquid,
        &quot;s_f&quot;: entropy_liquid,
        &quot;s_g&quot;: entropy_vapor,
        &quot;s_fg&quot;: entropy_vapor - entropy_liquid,
        &quot;cp_f&quot;: prop(&quot;Cpmass&quot;, 0, 1000.0),
        &quot;cp_g&quot;: prop(&quot;Cpmass&quot;, 1, 1000.0),
    }


def single_phase_values(pressure_mpa, temperature_c):
    pressure = pressure_mpa * 1_000_000.0
    temperature = temperature_c + 273.15
    phase = PhaseSI(&quot;P&quot;, pressure, &quot;T&quot;, temperature, FLUID_REF)

    def prop(output, scale=1.0):
        return PropsSI(output, &quot;P&quot;, pressure, &quot;T&quot;, temperature, FLUID_REF) / scale

    density = prop(&quot;Dmass&quot;)
    return {
        &quot;p_mpa&quot;: pressure_mpa,
        &quot;p_kpa&quot;: pressure_mpa * 1000.0,
        &quot;p_bar&quot;: pressure_mpa * 10.0,
        &quot;t_c&quot;: temperature_c,
        &quot;phase&quot;: phase,
        &quot;v&quot;: 1.0 / density,
        &quot;rho&quot;: density,
        &quot;u&quot;: prop(&quot;Umass&quot;, 1000.0),
        &quot;h&quot;: prop(&quot;Hmass&quot;, 1000.0),
        &quot;s&quot;: prop(&quot;Smass&quot;, 1000.0),
        &quot;cp&quot;: prop(&quot;Cpmass&quot;, 1000.0),
        &quot;cv&quot;: prop(&quot;Cvmass&quot;, 1000.0),
        &quot;speed_sound&quot;: prop(&quot;speed_of_sound&quot;),
        &quot;viscosity&quot;: prop(&quot;viscosity&quot;) * 1_000_000.0,
        &quot;conductivity&quot;: prop(&quot;conductivity&quot;),
        &quot;prandtl&quot;: prop(&quot;Prandtl&quot;),
    }


def requested_phase(phase):
    return (
        (STATE == &quot;Subcooled liquid&quot; and phase == &quot;liquid&quot;)
        or (STATE == &quot;Superheated vapor&quot; and phase == &quot;gas&quot;)
    )


def rows():
    if STATE == SATURATED:
        independent_values = PRESSURES_MPA if AXIS == PRESSURE_AXIS else TEMPERATURES_C
        for independent_value in independent_values:
            yield saturation_values(independent_value)
        return

    for pressure_mpa in PRESSURES_MPA:
        for temperature_c in TEMPERATURES_C:
            try:
                values = single_phase_values(pressure_mpa, temperature_c)
            except ValueError:
                continue
            if requested_phase(values[&quot;phase&quot;]):
                yield values


writer = csv.writer(sys.stdout, lineterminator=&quot;\n&quot;)
writer.writerow(CSV_HEADERS)
for values in rows():
    writer.writerow([convert_value(values[key], key) for key in COLUMN_KEYS])

&lt;/syntaxhighlight&gt;</text>
      <sha1>pf3qov11jssq3e0va7kczif4173prec</sha1>
    </revision>
  </page>
  <page>
    <title>User talk:Mustleib</title>
    <ns>3</ns>
    <id>331252</id>
    <revision>
      <id>2822799</id>
      <timestamp>2026-08-18T19:55:41Z</timestamp>
      <contributor>
        <username>Mustleib</username>
        <id>3108297</id>
      </contributor>
      <comment>Created talk page</comment>
      <origin>2822799</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="0" sha1="phoiac9h4m842xq45sp7s6u21eteeq1" />
      <sha1>phoiac9h4m842xq45sp7s6u21eteeq1</sha1>
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  </page>
  <page>
    <title>How to expose media lies and have fun doing it</title>
    <ns>0</ns>
    <id>331253</id>
    <revision>
      <id>2822807</id>
      <timestamp>2026-08-18T20:56:47Z</timestamp>
      <contributor>
        <username>DavidMCEddy</username>
        <id>218607</id>
      </contributor>
      <comment>create</comment>
      <origin>2822807</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="29013" sha1="qgcbck37n3rkdkub5octzbsn05ms0n2" xml:space="preserve">:''This discusses a 2026-08-13 interview with Teresa Wilke&lt;ref name=Wilke&gt;&lt;!--Teresa Wikle--&gt;{{cite Q|Q141110943}}&lt;/ref&gt; and Ann Suellentrop&lt;ref name=Suellentrop&gt;&lt;!--Suellentrop--&gt;{{cite Q|Q104978249}}&lt;/ref&gt; about a workshop they attended on &quot;How to expose media lies and have fun doing it&quot;, including a video and 29:00 mm:ss podcast excerpted from the interview. The podcast is released 2026-08-22 to the fortnightly &quot;Media &amp; Democracy&quot; show&lt;ref name=M&amp;D&gt;&lt;!--Media &amp; Democracy--&gt;{{cite Q|Q127839818}}&lt;/ref&gt; syndicated for the [[w:Pacifica Foundation|Pacifica Radio]]&lt;ref&gt;&lt;!--Pacifica Radio Network--&gt;{{cite Q|Q2045587}}&lt;/ref&gt; Network of [[w:List of Pacifica Radio stations and affiliates|over 200 community radio stations]].''&lt;ref&gt;&lt;!--list of Pacifica Radio stations and affiliates--&gt;{{cite Q|Q6593294}}&lt;/ref&gt;

:''It is posted here to invite others to contribute other perspectives, subject to the Wikimedia rules of [[w:Wikipedia:Neutral point of view|writing from a neutral point of view]] while [[w:Wikipedia:Citing sources|citing credible sources]]&lt;ref name=NPOV&gt;The rules of writing from a neutral point of view citing credible sources may not be enforced on other parts of Wikiversity. However, they can facilitate dialog between people with dramatically different beliefs.&lt;/ref&gt; and treating others with respect.''&lt;ref name=AGF&gt;[[Wikiversity:Assume good faith|Wikiversity asks contributors to assume good faith]], similar to Wikipedia. The rule in [[w:Wikinews|Wikinews]] was different: Contributors there were asked to [[Wikinews:Never assume|&quot;Don't assume things; be skeptical about everything.&quot;]] That's wise. However, we should still treat others with respect while being skeptical.&lt;/ref&gt;
&lt;!--[[File:Yonty Friesem on media education.webm|thumb|2026-07-31 interview with Yonty Friesem about media education.]]--&gt; 
&lt;!--[[File:Yonty Friesem on media education.ogg|thumb|29:00 mm:ss excerpted from a 2026-07-31 interview with Yonty Friesem about media education.]]--&gt; 

Teressa Wilke&lt;ref name=Wilke/&gt; and Ann Suellentrop&lt;ref name=Suellentrop/&gt; discuss their reactions to a workshop they attended on &quot;How to expose media lies and have fun doing it&quot; with Spencer Graves,&lt;ref&gt;&lt;!--Spencer Graves--&gt;{{cite Q|Q56452480}}&lt;/ref&gt; who organized the workshop with [[Media and war|Robin Andersen]]&lt;ref name=Andersen&gt;&lt;!--Robin Andersen--&gt;{{cite Q|Q132982358}}&lt;/ref&gt; and [[Peace Economy Project|Katerina Canyon]].&lt;ref name=Canyon&gt;&lt;!--Katerina Canyon--&gt;{{cite Q|Q140290658}}&lt;/ref&gt; 

== Highlights  ==	
:''These excerpts from the interview are rushed, lightly edited for readability, and may not be in final form. The ultimate authority on what was said is the accompanying video.''

Graves opened the workshop with the claim that,  

:''Primary drivers of every major conflict include differences between the media that the different parties find credible.''

An attendee at the workshop challenged this claim, saying she quotes the bible to her Conservative Christian acquaintances. This challenge can be accommodated by revising the claim as follows: 

:''Primary drivers of every major conflict include differences between the media or differences in interpretation that the different parties find credible.''

A claim like this could be used to invite civil and hopefully pleasant conversations, comparing interpretations and sources, seeking common ground, and agreeing to disagree agreeably in other areas.&lt;ref&gt;Training in media literacy should include exercises in how to respond to anger. This is discussed in the section on &quot;[[#Media organizations often cultivate anger|Media organizations often cultivate anger]]&quot; in [[#Discussion|Discussion]] below.&lt;/ref&gt; 

After Graves' introduction, Canyon described &quot;How War Language Shapes Public Thinking: Media literacy activities for difficult conversations, dehumanization, and the military–industrial–media complex ... . Media do not simply relay war; they construct it.&quot; She noted that in &quot;constructing the enemy, history starts late, [and] victims become statistics&quot;, as their humanity is written out of the news produced by each party, as they explain why their violence is necessary.&lt;ref&gt;More on this is documented in the interviews in this series with [[John Maxwell Hamilton on American propaganda|John Maxwell Hamilton]] and [[Media and war|Robin Andersen]], including publications of Hamilton and Andersen, cited therein..&lt;/ref&gt; 

Andersen followed, focusing especially on reporting in the US on the [[w:Gaza war|Gaza war]], documented in her recent (2026-06-02) ''The Complicit Lens: US Media Coverage of Israel’s Genocide in Gaza''.&lt;ref&gt;Andersen (2026).&lt;/ref&gt; This included comparing reports in major US media with reports of the same events by journalists on the ground in Gaza available on social media and outlets like [[w:Al Jazeera Media Network|Al Jazeera]] sympathetic to [[w:Palestinians|Palestinians]]. This included three examples: 
* [[w:31 October 2023 Jabalia refugee camp airstrike|Israeli bombing of the Jabalia refugee camp, 2023-10-31]], three and a half weeks after the October 7 attacks. 
* [[w:Israeli bombing of the Gaza Strip|Israeli bombing of apartment buildings killing over 400 Gazans, including use of 2,000 pound bombs]]. 
* [[w:Flour Massacre|The 2024-02-29 Flour Massacre]], during which over 100 Palestinians were killed and hundreds more wounded as hungry Gazans approached food trucks. ''[[w:The New York Times|The New York Times]]'' reported, &quot;As Hungry Gazans Crowd a Convoy, a Crush of Bodies, Israeli Gunshots, and a Deadly Toll&quot;. The ''NYT'' report suggests that the Israeli gunshots were intended to calm the crowd, and the deaths and injuries were from Gazans being trampled. Independent sources visiting hospitals found gunshot wounds and no injuries from being trampled. Survivors described the attack as an [[w:ambush|ambush]],&lt;ref&gt;Marsi et al. (2024).&lt;/ref&gt; After the shooting stopped, Gazans returned to the trucks and the soldiers opened fire again.&lt;ref&gt;Graham-Harrison and Julian Borger (2024).&lt;/ref&gt;


=== Reactions === 

Wilke said she was not surprised by any of the workshop. &quot;I have known since my youngest age that the media does not represent the truth. ... I was very young during the [[w:My Lai massacre|My Lai massacre]], and I remember clearly that that was inappropriately reported. ...&quot; When asked how the workshop could be improved, Wilke replied, &quot;Perhaps they could start in history farther back&lt;ref name=whenStart&gt;[[#Just giving a date for the start of a conflict is often choosing sides.|Just giving a date for the start of a conflict is often choosing sides]], as considered in the [[#Discussion|Discussion]] section below.&lt;/ref&gt; and give examples of misrepresentation effects by media. ... That doesn't make anybody a liar just because they have a different opinion of an event than me.&quot; ... Suellentrop added, &quot;When you look at a media source, and they consistently have a certain point of view, and then you can read in other media an entirely different point of view, then it makes you pause and wonder.&quot; 

=== Follow-on events? === 

====''The Other''====

Graves noted that Suellentrop had sent him an email discussing a move ''The Other''.&lt;ref&gt;''The Other'' is a 2024 award-winning documentary exploring Israeli-Palestinian peacebuilding and activist communities, both pre- and post-October 7, 2023. Sela (2024).&lt;/ref&gt; He asked if we might try to organize events, e.g., showing movies like that followed by discussions about how attendees might be able to engage others, including potential adversaries, in pleasant, supportive conversations, seeking common ground and agreeing to disagree agreeably on other issues, as mentioned above. 

Suellentrop agreed: &quot;I think anytime you can introduce some art form into an event, that tends to go a little deeper or reach people that maybe wouldn't come to a lecture. ... That's a way to bring in a bigger audience, maybe, and get people talking.&quot; 

Wilke added, &quot;I don't know how you would have an event and get the polar opposites to attend. ... If there was a MAGA rally in town, I would not go. ... It might be important for me to go, so that I can be aware of their philosophy and their beliefs. But I feel satisfied I'm able to get that from other sources. ... I'm afraid of polar opposites, unless you had something like an ice cream social, something neutral. ... Everybody likes ice cream, no matter what your point of view is, and then you could have more discussion.&quot; 

Graves noted that Katerina Canyon is a poet and writes fiction. &quot;She notes that art, fiction, poetry, music, movies, like you said, can often reach humans who would not likely be reached by news and scientific reports.&quot; 

==== Data centers ==== 

Suellentrop added, &quot;I think the current hot topic is [[w:Data center|data centers]]. A lot of people feel upset about them and worried about the environment and health effects, and the way that it's being proposed, it's undemocratic.&quot; Graves added, &quot;I saw that the city council in Kansas City, Missouri, voted down a data center, and the public was so riled up they didn't want to quit.&quot;&lt;ref&gt;Flores (2026). This article also reported alleged &quot;inconsistencies by the Miami-based developer, which placed a historic preservation easement on the building protecting it from demolition — and later proposing its demolition in March.&quot; An earlier report in ''[[w:The Kansas City Defender|The Kansas City Defender]]'' noted that 'the two promoters ... of this “syndicated conservation easement” maneuver moved $1.3 billion in fraudulent deductions before a federal jury in Atlanta convicted them in 2023. They are serving 25 and 23 years.&quot; Sorrell (2023).&lt;/ref&gt; 

Wilke said, &quot;I think it's very important to have meetings where you don't represent one bias or the other, and let people feel that they have the right to their personal opinion, even if their personal opinion would be repugnant to me.&quot;&lt;ref&gt;Freedom of speech means nothing unless it protects unpopular speech, as discussed in the interview in this series with [[w:Robert Corn-Revere|Robert Corn-Revere]], Chief Counsel with the [[Foundation for Individual Rights and Expression]].&lt;/ref&gt;

==== Immigration ==== 

Suellentrop continued, &quot;I would like to see a more thorough discussion of immigration procedures and regulations and immigration law. A family member told me, 'I think people should come here legally.' I'm like, 'In a perfect world, yeah.' I don't know the specifics, but I understand that the system is broken. It's just not fair.&quot; 

Graves said, {{quote| 

I've done a modest amount of research on that, and I noticed most recently that [[w:Philippe Aghion|Philippe Aghion]], who shared last year's [[w:List of Nobel Memorial Prize laureates in Economic Sciences|Nobel Memorial Prize in Economics]], in a recent book made a big deal of documenting how immigrants made major contributions to the economic growth of the US from the late 19th century into the early 20th century.&lt;ref&gt;Aghion et al. (2022, p. 266) cite Arkolakis
et al. (2019) in claiming that between 1880 and 1920 the US overtook &quot;England and France to become the most technologically advanced country in the world as well as the wealthiest in terms of GDP per capita&quot;, because the US accepted large numbers of immigrants. Elsewhere, they document how immigrants tend to be overrepresented in patent applications.&lt;/ref&gt; However, [[w:Abhijit Banerjee|Banerjee]] and [[w:Esther Duflo|Duflo]], who shared the 2019 Nobel Memorial Prize in Economics, said that nobody knows how to make the economy grow.&lt;ref&gt;Banerjee and Duflo (2019, p. 151) said, &quot;Of all the things economists have tried (and mostly failed) to predict, growth is one area where we have been particularly pathetic.&quot;&lt;/ref&gt; I'm sure that's true, but one of the key contributors, I think, to the U.S. dominant position in the international political economy is the fact that we are and have been from our founding a nation of immigrants, and we're less so today. And the rate of growth in average annual income is slowing down. Another major contributor that I've heard is diversity of ownership of the major media. In the 19th century the U.S. had more independent newspaper publishers per million population than any time or place before or since,&lt;ref&gt;John (1995), discussed in the interview with him in this series, [[Media concentration per Columbia History Professor Richard John]].&lt;/ref&gt; and I think that's made a major contribution to where we are today, and that has been reversed with massive consolidation of ownership of the major media.}}

Wilke added, {{quote| 

For many years the Mexican immigrant has been cutting our meat in meatpacking plants, and planting, tending, and harvesting vegetables in our fields across California. We're complaining currently about the price of groceries, and yet we're locking up the people who are doing the work. This is not my idea. I'm going to give full credit to Max Parthas.&lt;ref&gt;&lt;!--Max Parthas--&gt;{{cite Q|Q141120271}}&lt;/ref&gt;}} 

Graves added, {{quote|

Robin Andersen has a 2020 book with Adrian Bergmann on ''Media, Central American Refugees, and the U.S. Border Crisis: Security Discourses, Immigrant Demonization, and the Perpetuation of Violence''.&lt;ref name=AndBerg&gt;Andersen and Bergmann (2020).&lt;/ref&gt; The basic theme of that book is something I have said for years before I even knew about the existence of that book: 

:''If you do not want those people coming here, stop providing guns to the agents of state terror in their countries of origin.'' 

In fact, the U.S. in 1954 overthrew a democratically elected government in Guatemala because the democratically elected government wanted to prioritize the well-being of its own citizens over US international business interests, and I think that's been true in many other countries. And many of the refugees that are here, especially the ones who are here without papers, &quot;illegal immigrants&quot;, are here basically for that very reason.}}

Wilke agreed. &quot;It's just another example of how press can manipulate the minds of people. Regarding arms to South America and the idea that &quot;illegal aliens&quot; need to be held in detention centers, and when the price of groceries goes up -- and I'm sure the current administration will have some excuse for why groceries are so high -- and then use that excuse to justify having these people held in detention centers to go back to the same work they've been doing ... .&quot;

Graves continued, {{quote|

Going back to the Gaza war, years ago I read a book about [[w:The Troubles|&quot;The Troubles&quot; in Northern Ireland]]: The authors said that just picking a date for the beginning of &quot;The Troubles&quot; is equivalent to taking sides,&lt;ref&gt;Mac Ginty and Darby (2002, p. 14). This is discussed further in the section on &quot;[[#Just giving a date for the start of a conflict is often choosing sides.|Just giving a date for the start of a conflict is often choosing sides]]&quot;, in the [[#Discussion|Discussion]] section below.&lt;/ref&gt; and I think that's dramatically true in the Gaza war and the long-standing conflict between Israel and Palestinians. 

I think that if the major media in the US had provided reasonable coverage of the routine denial of equal protection of the laws by Israel to Palestinians and non-Jews in Israel and later under Israeli occupation, the government of Israel would have been forced to do things so differently that the Palestine Liberation Organization or any organization like that that were formed would more likely have followed Gandhi than George Washington, and we would have seen a very different history on that.}}

Suellentrop agreed: &quot;I think it's very important to give a wide context to whatever problem that you're discussing, to bring in the long history. ... I have heard about the Palestinian-Israeli conflict for years, but I would just hear the headline of the day, and I really couldn't make any sense of it. ... Then I came across [[w:Norman Finkelstein|Norman Finkelstein]]. He's a scholar, and he's studied it in minute detail for decades. ...&quot;

=== De facto mission of media organizations === 

Graves noted that, {{quote|

:''The ''de facto'' mission of every media organization is to sell changes in audience behavior to the people who give them money.''&lt;ref&gt;more precisely, &quot;The ''de facto'' mission of every media organization is to sell changes in audience behavior to the people who control most of the money for the media.&quot;&lt;/ref&gt; 

For [[w:KKFI|KKFI]] and [[w:Community radio|community radio]] stations the people who give them money are the community, and KKFI is staffed substantially by volunteers like me and like Terri.}}

Suellentrop continued, &quot;The wider context is that we're living in a capitalistic society, an imperialistic society, and not everybody wants to hear that.&quot;

Graves agreed. {{quote|

The major media get most of their money from international business interests. Now the top ranks of the US tax code are basically close to meaningless because of all the growth in tax loopholes.&lt;ref&gt;During the interview, Graves claimed that, &quot;Some major corporations get tax rebates on taxes they do not even pay.&quot; However, he was not able to find a reference confirming that, so that comment was cut from the podcast, though retained in the video.&lt;/ref&gt; So small businesses and common citizens pay taxes, so that the major corporations don't have to. And it's worse than that, because I think the vast majority of the national security and foreign policy budgets of the US are used to provide essentially a private escort service for US international business interests, overthrowing foreign governments like Guatemala that I mentioned, but there are many others, to please US international business interests. 

There was a military coup in Syria in 1949, promptly recognized by President Harry Truman. There was a coup in 1950 in Cuba, and [US President] Harry Truman approved that immediately. That Cuban coup led to the successful revolution that brought Fidel Castro to power that might not have happened if we had allowed democracy to continue there. [[w:1953 Iranian coup d'état|In 1953, the CIA engineered an overthrow]] of the democratically elected government of Iran, which was [[w:Iranian Revolution|overthrown in nonviolent protests in 1979]]. And we've been the Great Satan in Iran ever since. And [[w:1964 Brazilian coup d'état|Brazil had a similar coup under President Johnson]] pushed by the US. And [[w:1973 Chilean coup d'état|in 1973, &quot;the other September 11&quot;]].&lt;ref&gt;&quot;The Latin American September 11&quot; refers to the [[w:1973 Chilean coup d'état|1973 Chilean coup d'état]], which occurred 1973-09-11 on orders from US President Richard Nixon, according to multiple sources including declassified US government documents from that period.&lt;/ref&gt; 

And Robin Anderson talks about the US involvement in Central America during the 80s in the book that I mentioned.&lt;ref name=AndBerg/&gt;

And in [[w:2009 Honduran coup d'état|2009 there was a coup in Honduras]] supported by [[w:Hillary Clinton|Hillary]]. Thank you very much Hillary! --  that have denied equal protection of the laws to poor people in Central America, which is a primary driver of why they come here.}}

Wilke continued, {{quote|

I have long thought that the United States was involved in too many foreign affairs. 

It's good to be aware of what other countries are doing. I like forums like the United Nations, where there are rules and proscribed behaviors. But unless a country would come to the United States and say, &quot;Help us with this or that&quot;, and then we could debate that and consider, what other countries do is not much of our business. And I'm surprised that we feel like we have to put military presence in so many countries.}}

Suellentrop continued, &quot;Why do we have 800 bases around the world?&lt;ref&gt;Different sources give different numbers of bases for the US. The Wikipedia article on &quot;[[w:List of American military installations|List of American military installations]]&quot; said the US had &quot;at least 128 military bases located outside of its national territory as of July 2024&quot; and listed and another roughly 361 inside the US for a total of 489 when checked 2026-08-18. However, that is almost certainly an undercount. Some installations, especially foreign installations are doubtless secret; anyone who releases classified documents naming them could spend time in prison like [[w:Chelsea Manning|Chelsea Manning]] and [[w:Daniel Hale|Daniel Hale]]. A blog post on &lt;!--&quot;The U.S. Maintains ~750 Military Bases in Over 80 Countries. Here's the Full Picture&quot;--&gt;{{cite Q|Q141122207}} claims the US has &quot;~750 overseas bases&quot;. This post is on &lt;!--DaveManuel.com--&gt;{{cite Q|Q141122198}}, which claims it is &quot;Read by over 8,000 people every day ... in over 185 different countries [and] has been referenced by&quot; 23 different major outlets including ''[[w:The New York Times|The New York Times]]'', ... [[w:Fox News|Fox News]]. Other sources give different numbers.&lt;/ref&gt; No other country comes even close to that.&lt;ref&gt;The Wikipedia article on &quot;[[w:List of countries with overseas military bases|List of countries with overseas military bases]]&quot; seems consistent with the claim that &quot;no other country even comes close&quot;.&lt;/ref&gt; We have a money-making machine here that will stop at nothing. There is nothing holding it back.&quot;


Graves said, &quot;Yes, an honest discussion of all of that is basically suppressed by the major media to please the international business interests, who benefit from private citizens, the bottom 99%, and small businesses providing essentially a private escort service to make sure that they get the benefits of the bribes.&quot;

Suellentrop added, &quot;We never ever hear much in the media about how the military is the worst as far as climate change.&quot;&lt;ref&gt;Suelltrop's claim seems supported by the Wikipedia article on &quot;[[w:Environmental impact of war|Environmental impact of war]]&quot;, accessed 2026-08-18.&lt;/ref&gt;

=== In sum === 
Graves then noted they were about out of time and invited final words. 

Wilke said, &quot;Read more than one newspaper. Go to one more than one source of news and think about what you read.&quot;

Graves agreed. &quot;Since my time in the US military, 1967 to 1973, I've pushed myself to look for sources that might contradict my preconceptions, that might support what my designated adversaries might say.&quot; 

Suellentrop added, &quot;Look at what the motivations are behind what they're saying. What could be their ulterior motives?&quot; 

== The need for media reform to improve democracy == 

This article is part of [[:category:Media reform to improve democracy]]. A summary of episodes to 2025-11-15 is available in [[Media &amp; Democracy lessons for the future]]. 

==Discussion ==

:''[Interested readers are invited to comment here, subject to the Wikimedia rules of [[w:Wikipedia:Neutral point of view|writing from a neutral point of view]] [[w:Wikipedia:Citing sources|citing credible sources]]&lt;ref name=NPOV/&gt; and treating others with respect.&lt;ref name=AGF/&gt;]''

=== Media organizations often cultivate anger ===

Training in media literacy should include exercises in how to respond to anger. One possibility is to calmly acknowledge the concerns expressed while noting that media organizations often push their audiences to be angry at designated &quot;evil others&quot;. 

For example, [[Facebook whistleblower Frances Haugen says|Facebook whistleblower Frances Haugen said, &quot;The shortest path to a click is anger or hate.]]

Also, [[Conservative media are different|Ursinus College communication professor Anthony Nadler noted that, &quot;conservative media like Fox tell their audiences how they are routinely &quot;shamed and stigmatized by liberal elites&quot;, cultivating self-righteous anger against the haughty, evil libs.&quot;]]

However, it's not just conservative media. In preparing for and sustaining war, major media organizations worldwide do it, as documented in the interviews in this series with [[John Maxwell Hamilton on American propaganda|John Maxwell Hamilton]] and [[Media and war|Robin Andersen]]. 

=== Just giving a date for the start of a conflict is often choosing sides.===

Just picking a date for the start of a conflict often implies that one side is an aggressor and the other is &quot;merely defending&quot; themselves. &quot;[E]ven selection of a date to mark the origin of [&quot;[[w:The Troubles|The Troubles in Northern Ireland]]] is viewed with suspicion. ... Those who start with the Norman invasion in 1170, ... interpret the problem as essentially one of British conquest ... . If 1969 ... is selected, the analysis may be dismissed as mistaking violence for conflict and merely treating the symptoms rather than the disease&quot;, according to Mac Ginty and Darby (2002, p. 14). 

How might the world be different if the major media in the US and Europe had provided reasonable coverage of the routine denial of equal protection of the laws to non-Jews in Israel -- routine destruction and confiscation of Palestinian property and incarceration for years without charges of many who complain -- starting in 1950 or 1960? [[How might the world be different if the PLO had followed Gandhi?|Might Palestinian leaders have followed Gandhi rather than George Washington?]] There's a body of evidence suggesting that would have ended the conflict before the [[w:Palestine Liberation Organization|Palestine Liberation Organization]] (PLO) began using [[w:Guerrilla warfare|guerrilla]] tactics. 

For example, the nonviolence of the [[w:First Intifada|First Intifada]] had by far the greatest positive impact on Israeli public opinion of anything that Palestinians have done since the foundation of the state of [[w:Israel|Israel]] in 1948. Thousands of Israeli military refused orders to serve in the occupied West Bank, Gaza, and southern Lebanon, where they were ordered to shoot to wound or break bones with clubs. A hundred were [[w:Court-martial|court-martialed]] and incarcerated. [[w:Yitzhak Rabin|Yitzhak Rabin]], then Israeli Defense Minister, realized the nonviolence was destroying the Israeli military. He resigned as Defense Minister and ran for Prime Minister on a platform of negotiating with Palestinians. After he won, he told his supporters that the Palestinians would be better at protecting Israeli interests in the occupied territories than the Israeli military, 

{{quote|because they will allow no appeals to the Supreme Court and will prevent the Israeli Association of Civil Rights from criticizing the conditions there by denying it access to the area. They will rule by their own methods, freeing, and this is most important, the Israeli army soldiers from having to do what they will do.&lt;ref&gt;Usher (1996, p. 28), which cites ''[[w:Yedioth Ahronoth|Yedi'ot Ahronot]]'', 7 September 1993 as the source for this.&lt;/ref&gt;}} 

''The point here is how biases in the major media too often drive aggrieved parties to counterproductive violence.''

== Notes ==
{{reflist}}

== Bibliography ==

* &lt;!--Philippe Aghion, Céline Antonin, and Simon Bunel (2022) The Power of Creative Destruction: Economic Upheaval and the Wealth of Nations (Harvard University Press)--&gt;{{cite Q|Q137641358}}
* &lt;!--Robin Andersen (2026-06-02b) The Complicit Lens: US Media Coverage of Israel’s Genocide in Gaza--&gt;{{cite Q|Q138796307|date=2026b}}
* &lt;!--Robin Andersen and Adrian Bergmann (2020) Media, Central American Refugees, and the U.S. Border Crisis: Security Discourses, Immigrant Demonization, and the Perpetuation of Violence---&gt;{{cite Q|Q138798059|}}
* &lt;!--Abhijit V. Banerjee and Esther Duflo (2019) Good Economics for Hard Times (PublicAffairs)--&gt;{{cite Q|Q85764011}}
* &lt;!--Cassandra Isobelle Flores (2026-08-10) &quot;Kansas City officials denied a plan for downtown data center. Some residents vow to keep fighting&quot;, KCUR--&gt;{{cite Q|Q141111943}}
* &lt;!--Emma Graham-Harrison and Julian Borger (2024-03-01) &quot;112 dead in chaotic scenes as Israeli troops open fire near aid trucks, say Gaza officials&quot;, The Guardian--&gt;{{cite Q|Q141111545}}
* &lt;!--Richard R. John (1995) Spreading the News: The American Postal System from Franklin to Morse--&gt;{{cite Q|Q54641943}}
* &lt;!--Roger Mac Ginty and John Darby (2002) Guns and government: The management of the Northern Ireland peace process--&gt;{{cite Q|Q141114518}}
* &lt;!--Federica Marsi, Usaid Siddiqui, Ali Harb, and Brian Osgood (2024-02-29) &quot;Victims of Gaza City attack say they were ambushed&quot;--&gt;{{cite Q|Q141111389}}
* &lt;!--Joy Sela (2024) The Other--&gt;{{cite Q|Q141111706}}
* &lt;!--Ryan Sorrell (2026-08-06) &quot;Kansas City Killed the Data Center. The Tax Scheme It Was Feeding Is Still Alive&quot;--&gt;{{cite Q|Q141112080}}
* &lt;!-- Graham Usher (1996) &quot;The Politics of Internal Security: The PA's New Intelligence Services&quot;, Journal of Palestine Studies--&gt;{{cite Q|Q127171442}}

[[Category:Media]]
[[Category:News]]
[[Category:Democracy]]
[[Category:Politics]]
[[Category:Education]]
[[Category:Media literacy]]
[[Category:Media reform to improve democracy]]
&lt;!--list of categories
https://en.wikiversity.org/wiki/Wikiversity:Category_Review
[[Wikiversity:Category Review]]--&gt;</text>
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    <title>Bully Metric Naked-Eye Stars</title>
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      <comment>Created page with &quot;File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a l...&quot;</comment>
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      <text bytes="5498" sha1="47zowsj9a4au9f45gbvmvahd6wyfgbi" xml:space="preserve">[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in Figure 3 are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
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{{CSS image crop
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|-
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[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
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      <comment>/* The Hipparchus Magnitude System */</comment>
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      <text bytes="5504" sha1="f4ndd0wxmmvr7z4bnts975h82oe83je" xml:space="preserve">[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in '''Figure 3''' are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 4a''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 4b''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 4c''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 4d'''.

{| class=&quot;wikitable&quot; style=&quot;margin-left: auto; margin-right: auto; border: none; background: transparent;color:inherit;&quot;
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 4a:''' An SVG illustration of magnitude in astronomy.]]
|-
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
|Image = Pleiades_over_Arizona.jpg
|bSize = 200
|cWidth = 120
|cHeight = 120
|oTop = 12
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}}
| style=&quot;border: none; padding: 10px;&quot; |
{{CSS image crop
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|bSize = 1700
|cWidth = 180
|cHeight = 180
|oTop = 500
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|Location = center
|Description = '''Figure 4c:''' The nine brightest stars in the cluster includes 1 third-magnitude star, 5 fourth-magnitude stars, 2 fifth-magnitude stars, and 1 sixth magnitude star.
}}
|-
| colspan = 2; style=&quot;border: none; padding: 10px;&quot; |
[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 4d:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
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      <text bytes="5506" sha1="65pbxc0wd3l4syhky0fp7ps6ro0lx4v" xml:space="preserve">The term naked-eye stars refers to any celestial object that can be seen in the night sky using only human vision, completely unaided by binoculars or telescopes. However, what qualifies as a &quot;naked-eye star&quot; is highly subjective, depending heavily on environmental light pollution and a person's biological visual acuity.

[[File:Bully_Metric_Galactic_Orbit_4294967296_Timestamps.png|thumb|center|600px|alt=Diagram showing a stacked histogram of &quot;Naked Eye&quot; stars binned according to brightness and distance from the sun. A large percentage of these stars are closer to the sun than 16^8 R_☉, which is the distance that the sun travels in 16^8 Bully timestamps.|'''Figure 3a:''' Motion of the Sun during the passage of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps. The included stacked histogram shows that a large percentage of &quot;Naked Eye&quot; stars are within this travel distance of the sun, 96.83 parsecs or 16&lt;sup&gt;8&lt;/sup&gt; ''R''&lt;sub&gt;☉&lt;/sub&gt;.]]

In remote regions like deserts or high mountains, the sky is perfectly dark. A person may see between 2,500 and 3,500 stars at a given time. The Milky Way can actually cast shadows on the ground in these conditions. In major metropolitan areas like New York or Tokyo, extreme light pollution blanks out the sky. Only the Moon, planets, and perhaps a dozen or two of the absolute brightest stars remain visible to the naked eye.

To see faint stars, human eyes must adapt to the dark, widening the pupils to draw in light. A young person's pupil may expand to 7 mm, whereas an older adult's pupil might only expand to 5 mm, naturally making faint stars invisible to the older observer. Also, minor uncorrected astigmatisms, nearsightedness, or mild cataracts smudge pinpoint starlight, causing faint stars to blend directly into the background glow of the night sky.

==== The Hipparchus Magnitude System ====
In 129 B.C., the ancient Greek astronomer Hipparchus created the world's first stellar catalog. He ranked the stars purely by how they appeared to his naked eye. In 1856, astronomer Norman Pogson formalized this ancient system mathematically. He discovered that the human eye perceives brightness logarithmically, and that Hipparchus’s 1st-magnitude stars were exactly 100 times brighter than his 6th-magnitude stars.

*'''1st Magnitude:''' The very brightest, &quot;first-rate&quot; stars to light up at twilight.
*'''2nd, 3rd, 4th, 5th Magnitude:''' Progressively dimmer stars.
*'''6th Magnitude:''' The absolute faintest, &quot;sixth-rate&quot; stars Hipparchus could barely see under pristine, ancient night skies.

The stars in '''Figure 3a''' are ranked using the modern version of Hipparchus's magnitude system. A total of 9,427 stars are included in the stacked histogram, but more than two-thirds of these are 6th-magnitude stars that are only visible in ideal circumstances. It is notable that stars of first through third magnitude tend to be nearer than 100 parsecs, whereas stars of fifth and sixth magnitude tend to be beyond the 100 parsecs mark. Over a time duration of 16&lt;sup&gt;8&lt;/sup&gt; Bully timestamps, the Sun will travel a distance that is beyond the majority of the brightest stars, but not as far as the dimmest naked-eye stars.

==== The Pleiades Star Cluster ====
'''Figure 3b''' provides an SVG illustration of magnitude as used in astronomy. The Pleiades Star Cluster is a good example to illustrate star magnitude. The cluster lies at an average distance of about 136.2 parsecs (approximately 444 light-years) from Earth, with the entire physical cluster spanning only about 4 to 5 parsecs in depth and width.

There are over 1,000 stars in the cluster, but shared gravity keeps them traveling through space together as a single family. Because the total internal gravity is relatively weak, it takes millions of years for a star to complete an orbital loop around the cluster's center, and the stars will eventually drift apart.

The Pleiades system, shown in '''Figure 3c''', has a combined apparent magnitude of 1.6. The nine brightest stars shown in '''Figure 3d''' have representatives ranging from third-magnitude stars to sixth-magnitude stars. A star map of the system from the Hubble Space Telescope is shown in '''Figure 3e'''.

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|-
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[[File:Magnitude_illustration.svg|thumb|right|340px|alt=TBD.|'''Figure 3b:''' An SVG illustration of magnitude in astronomy.]]
|-
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|-
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[[File:M45map.jpg|thumb|right|340px|alt=A deep space photograph of bright stars with overlaid text labels naming individual stars and some distances.|'''Figure 3e:''' A star map of the Pleiades star cluster from the Hubble Space Telescope.]]
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    <title>WikiJournal Preprints/Individualized clinical assessment and outcome interpretation in aesthetic botulinum neurotoxin type A treatment: a focused review</title>
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|journal        = WikiJournal of Medicine
|last1          = Ghezelbash
|first1         = Saeed
|affiliation1   = Dr. Saeed Ghezelbash Aesthetic Clinic, Kermanshah, Iran
|orcid1         = 0009-0001-9346-8475
|license        = {{CC-BY work}}
|abstract       = Botulinum neurotoxin type A (BoNT-A) is established for aesthetic reduction of selected dynamic facial lines, but treatment response cannot be inferred from a named facial region alone. Contemporary consensus literature increasingly emphasizes individualized assessment of facial anatomy, muscle activity, baseline asymmetry, treatment goals, product-specific characteristics, and post-treatment timing. This focused review synthesizes clinical-trial evidence, consensus recommendations, patient-journey frameworks, and recent anatomy-to-practice literature to organize these factors into a practical reasoning model. The central distinction is between the visible phenotype and its dominant driver: a line or contour may be predominantly dynamic, predominantly structural, or mixed. Assessment at rest and during animation helps determine whether neuromodulation is well matched to the problem and clarifies the degree of movement that should be preserved. Outcome interpretation should compare the observed result with the documented baseline, intended endpoint, expected time course, and contribution of static structural features before attributing dissatisfaction to pharmacologic non-response. Adjacent-muscle interactions and nonuniform motor-zone anatomy further limit one-size-fits-all approaches. The review proposes a seven-step assessment and reassessment framework intended to improve conceptual precision without prescribing universal injection points or interchangeable dosing rules.
|summary        = Aesthetic botulinum toxin treatment works by reducing selected muscle activity, but similar-looking facial lines can have different causes and different treatment goals. This review explains why assessment should include the face both at rest and during movement, baseline asymmetry, interacting muscles, structural skin or volume changes, product-specific factors, and the timing of follow-up. It also provides a structured way to interpret an apparently weak, excessive, or asymmetric result before assuming that the drug itself failed.
|keywords       = botulinum toxin, aesthetic medicine, facial assessment, individualized treatment, outcome assessment, complications
}}

'''Individualized clinical assessment and outcome interpretation in aesthetic botulinum neurotoxin type A treatment: a focused review'''

== Introduction ==
Botulinum neurotoxin type A (BoNT-A) has a well-established role in aesthetic treatment of selected dynamic facial lines. Placebo-controlled clinical trials demonstrated efficacy for glabellar lines, and subsequent consensus statements expanded the clinical framework to include patient selection, facial analysis, anatomy, treatment goals, technique, and follow-up.&lt;ref name=&quot;Carruthers2002&quot;&gt;Carruthers JA, Lowe NJ, Menter MA, et al. A multicenter, double-blind, randomized, placebo-controlled study of the efficacy and safety of botulinum toxin type A in the treatment of glabellar lines. ''J Am Acad Dermatol''. 2002;46(6):840–849. doi:10.1067/mjd.2002.121356. PMID 12063480.&lt;/ref&gt;&lt;ref name=&quot;Carruthers2004&quot;&gt;Carruthers J, Fagien S, Matarasso SL; Botox Consensus Group. Consensus recommendations on the use of botulinum toxin type A in facial aesthetics. ''Plast Reconstr Surg''. 2004;114(6 Suppl):1S–22S. doi:10.1097/01.PRS.0000144795.76040.D3. PMID 15507786.&lt;/ref&gt;

The existence of an effective pharmacologic intervention does not make the visible aesthetic concern a single-variable problem. A facial line, asymmetry, contour, or expression reflects interacting contributions from muscle activity, skin properties, volume, tissue position, skeletal support, previous procedures, baseline asymmetry, and patient-specific aesthetic goals. Contemporary consensus recommendations therefore increasingly favor individualized assessment rather than universal templates.&lt;ref name=&quot;Sundaram2016&quot;&gt;Sundaram H, Signorini M, Liew S, et al. Global Aesthetics Consensus: Botulinum Toxin Type A—Evidence-Based Review, Emerging Concepts, and Consensus Recommendations for Aesthetic Use, Including Updates on Complications. ''Plast Reconstr Surg''. 2016;137(3):518e–529e. doi:10.1097/01.prs.0000475758.63709.23. PMID 26910696.&lt;/ref&gt;&lt;ref name=&quot;Bertossi2018&quot;&gt;Bertossi D, Cavallini M, Cirillo P, et al. Italian consensus report on the aesthetic use of onabotulinum toxin A. ''J Cosmet Dermatol''. 2018;17(5):719–730. doi:10.1111/jocd.12729. PMID 30091253.&lt;/ref&gt;

This focused review synthesizes selected high-relevance clinical-trial, consensus, patient-journey, and anatomy literature to provide a clinical reasoning framework for assessment before treatment and interpretation after treatment. It is not a systematic review, a dosing guideline, or a prescriptive injection atlas. Product labeling, approved indications, contraindications, formulation-specific units, and jurisdiction-specific regulatory requirements remain outside its scope.

== Evidence approach ==
The review uses a focused narrative approach. Evidence was selected to represent complementary layers relevant to aesthetic BoNT-A reasoning: randomized efficacy evidence, foundational and contemporary consensus statements, patient-journey recommendations, and recent anatomy-to-practice synthesis. This approach is intended to clarify how different evidence types answer different questions rather than to estimate pooled treatment effects.

Randomized trials can establish efficacy and characterize adverse events for defined populations and protocols, but they do not determine an individualized plan for every facial phenotype. Consensus statements synthesize expert interpretation of anatomy, assessment, technique, and practice patterns, but should not be treated as equivalent to randomized evidence. Anatomy studies and reviews explain structural and motor-zone relationships but do not by themselves prescribe treatment. The reasoning model below therefore separates evidence about whether BoNT-A can work from evidence about how an individual presentation should be assessed.

== From visible phenotype to dominant driver ==
A useful first distinction is between the visible phenotype and the mechanism that predominantly produces it. A named facial region is not itself a diagnosis of the dominant driver. The same visible line can reflect different proportions of dynamic muscle activity and static structural change.

A predominantly dynamic line becomes more apparent during animation because contraction changes the overlying soft-tissue configuration. A static component remains visible at rest and may reflect repeated folding, dermal remodeling, volume change, tissue quality, tissue position, or other structural factors. These categories form a continuum rather than a strict binary.

This distinction matters because BoNT-A primarily modifies neuromuscular transmission and therefore selected muscle activity. If muscle contraction is only one component of the visible finding, successful reduction of target movement may coexist with persistent resting change. A treatment can therefore produce the intended pharmacologic effect without producing complete disappearance of every visible line.

== Assessment at rest and during animation ==
Consensus recommendations repeatedly emphasize assessment of the face in more than one state. Examination at rest identifies baseline position, asymmetry, static lines, tissue characteristics, and pre-existing contour differences. Animation reveals muscle recruitment patterns, relative strength, compensatory movement, and interactions among adjacent or opposing muscle groups.&lt;ref name=&quot;Braccini2023&quot;&gt;Braccini F, Catoni I, Belfkira F, et al. SAMCEP Society consensus on the treatment of upper facial lines with botulinum neurotoxin type A: A tailored approach. ''J Cosmet Dermatol''. 2023;22(10):2692–2704. doi:10.1111/jocd.15768. PMID 37408173.&lt;/ref&gt;

The comparison between rest and animation is especially important when the clinical objective is selective neuromodulation rather than maximal movement reduction. Two patients with superficially similar dynamic lines can differ in baseline brow position, muscle strength, asymmetry, recruitment pattern, tissue support, previous treatment, and desired preservation of expression. Consequently, a region label does not encode a complete treatment plan.

A contemporary upper-face consensus also incorporated relevant anatomy, patient assessment and selection, individual variation, and complication-minimization strategies into product-specific recommendations, reinforcing the broader principle that individualized evaluation precedes technical execution.&lt;ref name=&quot;Choi2024&quot;&gt;Choi HS, Wang J, Tauber D, et al. Consensus Recommendations for Treatment of the Upper Face With LetibotulinumtoxinA. ''Plast Aesthet Nurs''. 2024;44(4):239–250. doi:10.1097/PSN.0000000000000585. PMID 39348312.&lt;/ref&gt;

== Treatment goals and movement preservation ==
Aesthetic treatment success is not defined solely by the magnitude of movement reduction. The intended endpoint may include substantial reduction of a selected contraction, preservation of natural expression, improved symmetry, reduction of a specific dynamic line, or a negotiated balance among these objectives.

This makes goal definition part of the technical assessment rather than a separate administrative step. If clinician and patient use different implicit definitions of success, the same observed degree of muscle reduction can be interpreted differently. Explicit documentation of the desired endpoint provides a reference against which the post-treatment result can be judged.

The concept is consistent with broader patient-centered recommendations in facial aesthetics. A European consensus framework described screening, assessment, treatment, post-treatment evaluation, and follow-up as parts of a structured patient journey and emphasized goal clarification, medical-history review, risk-benefit discussion, documentation, and patient-reported outcomes.&lt;ref name=&quot;PhilippDormston2024&quot;&gt;Philipp-Dormston WG, De Boulle K, Gronovich Y, et al. The Patient Journey in Facial Aesthetics: Findings from a European Consensus Meeting on Improving the Quality of Life for Patients Receiving Botulinum Toxin Injections. ''Clin Cosmet Investig Dermatol''. 2024;17:329–337. doi:10.2147/CCID.S446891. PMID 38327550.&lt;/ref&gt;

== Interacting muscles and balance ==
Facial movement emerges from interacting muscle groups rather than isolated named targets. Elevators, depressors, sphincters, synergists, and antagonists contribute to visible position and animation. Altering one component can change the apparent balance of the system even when the intended target responds as expected.

This has two implications. First, pretreatment asymmetry should be documented rather than inferred retrospectively. Second, a post-treatment asymmetry does not automatically establish that a new asymmetry was created; reduction of one movement pattern can unmask or amplify a pre-existing difference or an adjacent compensatory pattern. Interpretation requires comparison with baseline documentation and the original treatment objective.

The tailored-treatment literature explicitly emphasizes evaluation at rest and during animation, detailed understanding of facial muscular anatomy, and consideration of how opposing muscles interact.&lt;ref name=&quot;Braccini2023&quot; /&gt; The broader global-consensus literature similarly supports individualized planning rather than fixed universal patterns.&lt;ref name=&quot;Sundaram2016&quot; /&gt;

== Motor-zone anatomy and the limits of surface templates ==
Recent anatomy-to-practice work adds another layer to individualized reasoning. A 2026 narrative review of upper-face micro-innervation described nonuniform neuromuscular-junction distributions with muscle-specific patterns in the frontalis, corrugator supercilii, orbicularis oculi, procerus, and depressor supercilii. The author emphasized that these should be interpreted as probabilistic anatomical fields rather than deterministic injection maps.&lt;ref name=&quot;Magacho2026&quot;&gt;Magacho-Vieira FN. The Neuromuscular Junction Distribution in the Upper Face: An Anatomy-to-Practice Review to Inform Botulinum Toxin Type A Treatment Planning. ''J Cosmet Dermatol''. 2026;25(5):e70921. doi:10.1111/jocd.70921. PMID 42130073.&lt;/ref&gt;

This is conceptually important even without converting motor-zone maps into a prescriptive protocol. Surface landmarks provide only part of the relevant anatomical information. Depth, overlap, variation, and individual recruitment patterns can influence the relationship between a visible expression and the underlying neuromuscular target. Anatomy therefore complements dynamic assessment rather than replacing it.

== Product-specific information versus general reasoning ==
A major source of conceptual error is treating formulation-specific information as if it were universally interchangeable. Different BoNT-A preparations have product-specific labeling, units, handling instructions, approved indications, and evidence bases. General clinical reasoning principles—such as defining the phenotype, assessing animation, documenting baseline asymmetry, and clarifying the treatment objective—can be discussed across products, but numerical dosing rules should not be generalized by assumption.

Consensus literature commonly combines general principles with formulation-specific recommendations. Readers should keep these evidence layers separate. A product-specific consensus can illustrate how individualized assessment is operationalized while still requiring that its dose and technique recommendations be interpreted within that formulation's evidence and regulatory context.&lt;ref name=&quot;Choi2024&quot; /&gt;&lt;ref name=&quot;Bertossi2018&quot; /&gt;

== Interpreting an apparently inadequate response ==
An apparently weak result should be decomposed before being labeled pharmacologic non-response. At least five conceptually distinct explanations should be considered:

# '''Timing of assessment.''' The observation may have been made before the expected effect was fully expressed or at a time point that is not comparable with the intended outcome assessment.
# '''Residual structural component.''' Target movement may be reduced while a resting line or contour persists because it is partly structural.
# '''Target-selection mismatch.''' The selected neuromuscular target may not have been the dominant driver of the visible concern.
# '''Baseline or adjacent-muscle pattern.''' Residual or compensatory activity may dominate the post-treatment appearance.
# '''Formulation, handling, placement, exposure, or true biological variability.''' These remain possible but should not be invoked before simpler phenotype, timing, and assessment explanations are considered.

The purpose of this decomposition is not to minimize true treatment failure. It is to prevent a broad patient-reported label such as “it did not work” from being treated as a single mechanistic diagnosis.

== Interpreting excessive or asymmetric effects ==
The same reasoning applies when the result appears excessive or asymmetric. Clinically relevant categories include:

* '''excessive intended effect''' — more reduction of the intended muscle than required for the agreed endpoint;
* '''unintended local effect''' — clinically important influence on an adjacent structure;
* '''balance change''' — altered visibility of a pre-existing asymmetry or neighboring movement pattern after the target changes;
* '''structural-expectation mismatch''' — the pharmacologic effect occurs, but the overall appearance differs from the expected aesthetic outcome because nonmuscular contributors remain;
* '''systemic safety concern''' — symptoms beyond the expected local aesthetic effect require attention to product-specific warnings and appropriate medical evaluation.

Clinical trials and consensus publications document local adverse effects and emphasize anatomy, patient selection, technique, and follow-up as components of risk reduction.&lt;ref name=&quot;Carruthers2002&quot; /&gt;&lt;ref name=&quot;Sundaram2016&quot; /&gt;&lt;ref name=&quot;Choi2024&quot; /&gt;

== A seven-step clinical reasoning framework ==
The evidence can be organized into a compact sequence that separates assessment from prescription:

# '''Define the phenotype.''' Describe what is visible at rest and what changes during animation before naming a procedure.
# '''Estimate the dominant driver.''' Determine whether the concern is predominantly muscular, predominantly structural, or mixed.
# '''Document baseline balance.''' Record asymmetry, brow and eyelid position, neighboring recruitment, previous procedures, and other features that can affect interpretation.
# '''Define the intended endpoint.''' Specify the desired degree of movement reduction, expression preservation, symmetry change, or other patient-centered goal.
# '''Map interacting structures.''' Consider target muscles together with synergists, antagonists, and adjacent structures; use anatomy as a probabilistic guide rather than a universal template.
# '''Keep product-specific rules product-specific.''' Do not assume numerical interchangeability among BoNT-A formulations; use the relevant labeling and evidence for the preparation being considered.
# '''Reassess against baseline before assigning causality.''' Interpret apparent weak, excessive, or asymmetric outcomes in relation to timing, structural contributors, baseline documentation, and the original goal before concluding pharmacologic failure or technical error.

This sequence is intentionally not an injection protocol. Its purpose is to improve the quality of the questions asked before and after treatment.

== Discussion ==
The literature reviewed here supports a shift from region-based thinking toward phenotype-based and goal-based reasoning. The evidence that BoNT-A can reduce selected dynamic lines is strong for established indications, but the path from efficacy evidence to individualized aesthetic outcome is mediated by anatomy, movement patterns, structural contributors, formulation-specific factors, expectations, and follow-up timing.

The dynamic-versus-structural distinction provides a useful organizing principle because it clarifies why a visible line may persist despite successful neuromodulation. The interacting-muscle model similarly clarifies why a change in one region can alter the appearance of another without implying that the target failed to respond. Recent motor-zone anatomy strengthens the argument that surface templates should be interpreted within a broader anatomical and functional assessment rather than treated as deterministic maps.&lt;ref name=&quot;Magacho2026&quot; /&gt;

The proposed framework also highlights the importance of baseline documentation. Without a pretreatment record of rest position, animation, and asymmetry, post-treatment causal attribution becomes vulnerable to recall bias. Likewise, without an explicit intended endpoint, the term “successful treatment” can remain ambiguous even when objective movement change is apparent.

This review has limitations. It is focused and narrative rather than systematic, does not attempt meta-analysis, and deliberately avoids universal dosing recommendations. It also prioritizes conceptual integration of selected high-relevance evidence rather than exhaustive coverage of all formulations, indications, anatomical regions, or complication-management protocols. These boundaries are appropriate for the review's central question: how to reason about individualized assessment and outcome interpretation rather than how to reproduce a specific procedural technique.

== Conclusion ==
Aesthetic BoNT-A treatment should not be reduced to a named facial region, a fixed template, or a single post-treatment observation. The clinically relevant sequence is to define the visible phenotype, identify the dominant dynamic and structural contributors, assess the face at rest and during animation, document baseline balance, clarify the desired endpoint, interpret anatomy in the context of interacting muscles, and reassess the result against baseline and timing before assigning causality.

This framework does not replace product-specific labeling, formal training, or clinical judgment. Its purpose is to make the reasoning that surrounds treatment more explicit. Better separation of pharmacologic effect, structural persistence, target-selection mismatch, balance change, and true non-response can improve both treatment planning and interpretation of outcomes.

== Declarations ==
=== Author contribution ===
Saeed Ghezelbash conceived the review, synthesized the literature, developed the clinical reasoning framework, and prepared the manuscript.

=== Funding ===
No external funding was received for preparation of this manuscript.

=== Conflicts of interest ===
The author reports no financial conflict of interest related to this manuscript. The author practices aesthetic medicine.

=== Ethics ===
This focused review does not report new research involving human participants or animals and did not require institutional ethics approval.

== References ==
&lt;references /&gt;</text>
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__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

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__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

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      <comment>Photographer	
John Charlton (1934–2006)  wikidata:Q99000064
Description	
A woman supervises outdoor playtime for a group of children in Blaketown, 17 Reid Street, at the Blaketown Playcentre.
Depicted place	Blaketown Playcentre, Reid Street, Blaketown, Greymouth, West Coast, New Zealand.
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Collection	
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      <text bytes="681" sha1="3p1penu43fx7zd93ycfgf8kpkwnamqf" xml:space="preserve">== Summary ==
Photographer	
John Charlton (1934–2006)  wikidata:Q99000064
Description	
A woman supervises outdoor playtime for a group of children in Blaketown, 17 Reid Street, at the Blaketown Playcentre.
Depicted place	Blaketown Playcentre, Reid Street, Blaketown, Greymouth, West Coast, New Zealand.
Date	1987
Collection	
Grey District Library   wikidata:Q99264604
Accession number	
CC114
Credit line	John Charlton • Grey District Library
Source	Grey District Library; Pioneer Library; John Charlton Collection; 1987 Envelope
Permission
(Reusing this file)	This image was released under a CC BY-SA 4.0 licence by Grey District Library
== Licensing ==
{{self|GFDL|cc-by-4.0}}</text>
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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
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      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Empathy]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2822886</origin>
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      <text bytes="10313" sha1="4v5amlojr6gd589l3fp7ss67phq1fsx" xml:space="preserve">{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Empathy]]</text>
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'''About Me'''

My name is Sienna, i am in my third year of University, studying a Batchelor of Business Marketing/ Science in Psychology, with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

'''Book Chapter ''' 

The focus of the book chapter i am currently working on is all about '''''Consumer Emotion Measurement'''''.

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

See the page yourself: https://en.wikiversity.org/wiki/Motivation_and_emotion/Book/2026/Consumer_emotion_measurement

'''Social Contributions'''</text>
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      <text bytes="1104" sha1="4lbz2in2cjwffe6uykjz37spv3yia1n" xml:space="preserve">Hey there, Welcome to my page!


== About Me ==

My name is Sienna, i am in my third year of University, studying a Batchelor of Business Marketing/ Science in Psychology, with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about '''''Consumer Emotion Measurement'''''.

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

See the page yourself: https://en.wikiversity.org/wiki/Motivation_and_emotion/Book/2026/Consumer_emotion_measurement

== Social Contributions ==</text>
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      <text bytes="1105" sha1="rbf4kc38coxc8k08i6vjt80x84u2lms" xml:space="preserve">Hey there, Welcome to my page!


== About Me ==

My name is Sienna, i am in my third year of University, studying a Batchelor of Business Marketing/ Science in Psychology, with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about '''''Consumer Emotion Measurement'''''.

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

See the page yourself: [[Motivation and emotion/Book/2026/Consumer emotion measurement|Consumer Emotion Measurement]]

== Social Contributions ==</text>
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== About Me ==

My name is [https://www.linkedin.com/in/sienna-puglielli-a26b2142a/ Sienna], i am in my third year of University, studying a [https://www.canberra.edu.au/course/MGSC02/2/2024 Batchelor of Business Marketing/ Science in Psychology], with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about '''''Consumer Emotion Measurement'''''.

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

See the page yourself: [[Motivation and emotion/Book/2026/Consumer emotion measurement|Consumer Emotion Measurement]]

== Social Contributions ==</text>
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== About Me ==

My name is [https://www.linkedin.com/in/sienna-puglielli-a26b2142a/ Sienna], i am in my third year of University, studying a [https://www.canberra.edu.au/course/MGSC02/2/2024 Batchelor of Business Marketing/ Science in Psychology], with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about [[Motivation and emotion/Book/2026/Consumer emotion measurement|Consumer Emotion Measurement]].

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

== Social Contributions ==</text>
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== About Me ==

My name is [https://www.linkedin.com/in/sienna-puglielli-a26b2142a/ Sienna], i am in my third year of University, studying a [https://www.canberra.edu.au/course/MGSC02/2/2024 Batchelor of Business Marketing/ Science in Psychology], with my final year of studies concluding next year. 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster sometimes full-time hours, other times part-time.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about [[Motivation and emotion/Book/2026/Consumer emotion measurement|Consumer emotion measurement]].

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

== Social Contributions ==</text>
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== About Me ==

My name is [https://www.linkedin.com/in/sienna-puglielli-a26b2142a/ Sienna], i am in my third year of University, studying a [https://www.canberra.edu.au/course/MGSC02/2/2024 Batchelor of Business Marketing/ Science in Psychology], with my final year of studies concluding next year (2027). 

I currently work in hospitality and have worked in the industry for almost 6 years, with a flexible roster.

When i'm not working or studying, you'll likely find me going out for dinner, shopping, travelling or doing nothing all day to re-charge :)

I'm still unsure of what i would like to do with my degrees, but overtime my interest has gravitated towards the research side of both health and business.

== Book Chapter == 

The focus of the book chapter i am currently working on is all about [[Motivation and emotion/Book/2026/Consumer emotion measurement|Consumer emotion measurement]].

I am particularly looking forward to sharing my insights as i have chosen a topic that ties in my knowledge from both my areas of study thus far.

== Social Contributions ==</text>
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I am '''''u3246588'''''. I am a third-year Bachelor of Laws/Bachelor of Science in Psychology student at the University of Canberra. I am taking the unit Motivation and Emotion this semester.

I like these hobbies:

* Hiking
* Reading
* Hanging out with my dog and friends
* Watching movies

I have these family members:

# My mum
# My dad
# My younger brother
# My dog

== Book chapter I am working on: ==
Lov

== Social Contributions: ==</text>
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      <text bytes="539" sha1="m586e58pepa1du3239geyvl654puw6g" xml:space="preserve">== About me: ==
I am '''''u3246588'''''. I am a third-year Bachelor of Laws/Bachelor of Science in Psychology student at the [https://www.canberra.edu.au/ University of Canberra]. I am taking the unit [[Motivation and emotion|Motivation and Emotion]] this semester.

I like these hobbies:

* Hiking
* Reading
* Hanging out with my dog and friends
* Watching movies

I have these family members:

# My mum
# My dad
# My younger brother
# My dog

== Book chapter I am working on: ==
Love styles and relationships

== Social Contributions: ==</text>
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I am '''''u3246588'''''. I am a third-year Bachelor of Laws/Bachelor of Science in Psychology student at the [https://www.canberra.edu.au/ University of Canberra]. I am taking the unit [[Motivation and emotion|Motivation and Emotion]] this semester.

I like these hobbies:

* [[w:Hiking|Hiking]]
* [[w:Reading|Reading]]
* Hanging out with my dog and friends
* Watching movies

I have these family members:

# My mum
# My dad
# My younger brother
# My dog

== Book chapter I am working on: ==
[[Motivation and emotion/Book/2026/Love styles and relationships|Love styles and relationships]]

== Social Contributions: ==</text>
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I am '''''u3246588'''''. I am a third-year Bachelor of Laws/Bachelor of Science in Psychology student at the [https://www.canberra.edu.au/ University of Canberra]. I am taking the unit [[Motivation and emotion|Motivation and Emotion]] this semester.
[[File:Tigers nest in bhutan, a spiritual retreat after a 7km hike.jpg|thumb|200x200px|Figure 1. Famous hiking spot in Bhutan I did over the winter term.]]
I like these hobbies:

* [[w:Hiking|Hiking]]
* [[w:Reading|Reading]]
* Hanging out with my dog and friends
* Watching movies
* Travelling

I have these family members:

# My mum
# My dad
# My younger brother
# My dog 

== Book chapter I am working on: ==
[[Motivation and emotion/Book/2026/Love styles and relationships|Love styles and relationships]]

== Social Contributions: ==</text>
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      <text bytes="986" sha1="h90q0zz17agptsou0kwryos76wc1a6k" xml:space="preserve">== About me: ==
I am '''''u3246588'''''. I am a third-year Bachelor of Laws/Bachelor of Science in Psychology student at the [https://www.canberra.edu.au/ University of Canberra]. I am taking the unit [[Motivation and emotion|Motivation and Emotion]] this semester.
[[File:Tigers nest in bhutan, a spiritual retreat after a 7km hike.jpg|thumb|200x200px|Figure 1. Famous hiking spot in Bhutan I did over the winter term.]]
I like these hobbies:

* [[w:Hiking|Hiking]]
* [[w:Reading|Reading]]
* Hanging out with my dog and friends
* Watching movies
* Travelling

I have these family members:

# My mum
# My dad
# My younger brother
# My dog 

== Book chapter I am working on: ==
[[Motivation and emotion/Book/2026/Love styles and relationships|Love styles and relationships]]

== Social Contributions: ==

# [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FLove_styles_and_relationships&amp;diff=2822940&amp;oldid=2822937 Added title and subtitle to a chapter]</text>
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      <text bytes="84" sha1="mx3hgcci85tptq1lyxs5nkfewnlwbz2" xml:space="preserve">I am James Neill. I'm teaching Motivation and Emotion at the University of Canberra.</text>
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      <text bytes="299" sha1="5koejqemzr3puyu7gjtcauslyevqsa3" xml:space="preserve">== About me ==
I am '''James Neill'''. I'm teaching Motivation and Emotion at the University of Canberra.

I like these hobbies:

* Mountain biking
* Guerilla gardening
* Exploring outdoors

I have these pets:

# Chickens
# Cats
# Worms

== Book chapter I'm working on ==

== Social contributions ==</text>
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      <text bytes="525" sha1="k95xru3y86q4ddn61iuejv8j5kta18e" xml:space="preserve">== About me ==
I am '''James Neill'''. I'm teaching [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

I like these hobbies:

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors

I have these pets:

# Chickens
# Cats
# Worms

== Book chapter I'm working on ==

* [[Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development|Adolescent risk-taking and reward-system development]]

== Social contributions ==</text>
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      <text bytes="628" sha1="4xs5yxtsef2xhyi4sv6xjetbcnokbcl" xml:space="preserve">== About me ==
I am '''James Neill'''. I'm teaching [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

I like these hobbies:

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
[[File:Australorps henne.jpg|thumb|150x150px|'''Figure 1'''. Australorp chickens have black feathers.]]
I have these pets:

# Chickens
# Cats
# Worms

== Book chapter I'm working on ==

* [[Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development|Adolescent risk-taking and reward-system development]]

== Social contributions ==</text>
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      <text bytes="907" sha1="48mk42vntkh13ufgexlpzkl13dukq88" xml:space="preserve">== About me ==
I am '''James Neill'''. I'm teaching [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra].
[[File:Mountain biking in mud (Unsplash).jpg|thumb|Mountain biking in a pine forest]]
I like these hobbies:

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
[[File:Australorps henne.jpg|thumb|150x150px|'''Figure 1'''. Australorp chickens have black feathers.]]
I have these pets:

# Chickens
# Cats
# Worms

== Book chapter I'm working on ==

* [[Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development|Adolescent risk-taking and reward-system development]]

== Social contributions ==

# [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FAdolescent_risk-taking_and_reward-system_development&amp;diff=2822938&amp;oldid=2822474 Added title to a chapter]</text>
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      <text bytes="1135" sha1="iaixn8dhb714ds8zxke36uxaz9xslrh" xml:space="preserve">== About me ==
I am '''James Neill'''. I'm teaching [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra].
[[File:Mountain biking in mud (Unsplash).jpg|thumb|Mountain biking in a pine forest]]
I like these hobbies:

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
[[File:Australorps henne.jpg|thumb|150x150px|'''Figure 1'''. Australorp chickens have black feathers.]]
I have these pets:

# Chickens
# Cats
# Worms

== Book chapter I'm working on ==

* [[Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development|Adolescent risk-taking and reward-system development]]

== Social contributions ==

# [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FAdolescent_risk-taking_and_reward-system_development&amp;diff=2822938&amp;oldid=2822474 Added title to a chapter]
# [[Talk:Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development|Asked a question]]
# [https://uclearn.canberra.edu.au/courses/20143/discussion_topics/455151 Responded to discord server discussion]</text>
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      <text bytes="149" sha1="kb79vozxdjh3enjaewvirpm34u1j3ap" xml:space="preserve">My Name is Clare Kopplemann and I am studying Motivation and Emotion at the University of Canberra as a part of my bachelor of Science in Psychology.</text>
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      <text bytes="574" sha1="mfx48ci6m3n74v3vqwhmbdnq784htmx" xml:space="preserve">== Personal Description ==
My Name is ''Clare Kopplemann'' and I am studying [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra] as a part of my bachelor of Science in Psychology. I am a third year student with a passion for understanding people and behaviour along with [[w:Physiological_psychology|physiological psychology.]] 

== The Book Chapter I am Currently Working On ==

* [[Motivation and emotion/Book/2026/Pleasure anticipation and dopamine|Pleasure anticipation and dopamine]]

== Social Contribution ==</text>
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      <text bytes="884" sha1="c4w4ui0sifry178hgs49oyhwh6o7f06" xml:space="preserve">== Personal Description ==
My Name is ''Clare Kopplemann'' and I am studying [[Motivation and emotion|Motivation and Emotion]] at the [https://www.canberra.edu.au/ University of Canberra] as a part of my bachelor of Science in Psychology. I am a third year student with a passion for understanding people and behaviour along with [[w:Physiological_psychology|physiological psychology.]]

My personal interests and hobbies include 

* AFL &amp; AFLW (Supporting the Carlton Football Club) 
* Travelling 
* Cooking and Baking 
* Bar and Gaming work 
* Caring for my domestic and stray pet cats 

== Linked-In ==

* [https://www.linkedin.com/in/clare-kopplemann-5a3a972a0/ linked-in.com-clare-kopplemann]

== The Book Chapter I am Currently Working On ==

* [[Motivation and emotion/Book/2026/Pleasure anticipation and dopamine|Pleasure anticipation and dopamine]]

== Social Contribution ==</text>
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      <comment>Bio change</comment>
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[[File:Gallus gallus domesticus - Vogelpark Steinen 03.jpg|thumb]]

== Social contribution ==
link comment 

# added title to chapter 
# contribution wikiversity comment
# discussion forum - respond to how you motivate yourself</text>
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      <comment>Created an about me page</comment>
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      <text bytes="145" sha1="kppuurssz1wk1blbythh76cw9tm0mm0" xml:space="preserve">== About me ==


I am Tamara Weatherburn and I am studying the Science of Psychology at the [https://www.canberra.edu.au University of Canberra].</text>
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      <text bytes="768" sha1="64h22stqnmh5o8qjoysil45cm5fw4t4" xml:space="preserve">== About me ==


I am Tamara Weatherburn and I am studying a Bachelor of Science of Psychology at the [https://www.canberra.edu.au University of Canberra].

My hobbies include:

* Netball
* Running
* Spending time with my friends
* Reading

[[File:Cavapoo dog chasing a maltipoo with a ball (11881).jpg|thumb|'''Figure 1.''' Two Cavoodles playing with a ball. ]]
I have two Cavoodle dogs:

* Maggie
* Rosie

== Book chapter I am working on ==
Here the guidelines for creating the [[Motivation and emotion/Assessment/Chapter|Book Chapter]]. 

== Social contributions ==
List three types of social contributions from 2026 or past book chapters. 

Include a numbered list with what action you took and link to the edit (Tute 2 describes how).

# Edit 1
# Edit 2
# Edit 3</text>
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My name is Tamara and I am studying a Bachelor of Science of Psychology at the [https://www.canberra.edu.au University of Canberra].

My hobbies include:

* Netball
* Running
* Spending time with my friends
* Reading

[[File:Cavapoo dog chasing a maltipoo with a ball (11881).jpg|thumb|'''Figure 1.''' Two Cavoodles playing with a ball. ]]
I have two Cavoodle dogs:

* Maggie
* Rosie

== Book chapter I am working on ==
Here the guidelines for creating the [[Motivation and emotion/Assessment/Chapter|Book Chapter]]. 

== Social contributions ==
List three types of social contributions from 2026 or past book chapters. 

Include a numbered list with what action you took and link to the edit (Tute 2 describes how).

# Edit 1
# Edit 2
# Edit 3</text>
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      <text bytes="825" sha1="pg9i4kn34u8psiimz3zvy3dtusp7byc" xml:space="preserve">== About me ==


My name is Tamara and I am studying a Bachelor of Science of Psychology at the [https://www.canberra.edu.au University of Canberra].

My hobbies include:

* Netball
* Running
* Spending time with my friends
* Reading

[[File:Cavapoo dog chasing a maltipoo with a ball (11881).jpg|thumb|'''Figure 1.''' Two Cavoodles playing with a ball. ]]
I have two Cavoodle dogs:

* Maggie
* Rosie

== Book chapter I am working on ==
Here the guidelines for creating the [[Motivation and emotion/Assessment/Chapter|Book Chapter]]. 

== Social contributions ==
List three types of social contributions from 2026 or past book chapters. 

Include a numbered list with what action you took and link to the edit (Tute 2 describes how).

# Edit 1 eg. Added a title
# Edit 2 eg. Asked a question
# Edit 3 eg. Added to discussion</text>
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      <text bytes="74" sha1="j749jbxqn4axut0om9ngxhbufrwhrth" xml:space="preserve">== How do boredom and interest shape emotional and motivational states? ==</text>
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  <page>
    <title>Talk:Motivation and emotion/Book/2026/Adolescent risk-taking and reward-system development</title>
    <ns>1</ns>
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      <timestamp>2026-08-19T04:07:54Z</timestamp>
      <contributor>
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      <text bytes="285" sha1="dnfo4fgyk7trw7f35ea7rqy9yafddbv" xml:space="preserve">==When does adolescent risk-taking peak?==
I'd be curious to know if its possible to say when risk-taking peaks in adolescence?
Sincerely, James

---- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 04:07, 19 August 2026 (UTC)</text>
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      <text bytes="247" sha1="hk4xi3sdego3spxocpcjyaai1q55hks" xml:space="preserve">==Why do love styles even matter?==
I would be curious to know why love styles even matter?
Sincerly, u3246588--[[User:U3246588|U3246588]] ([[User talk:U3246588|discuss]] • [[Special:Contributions/U3246588|contribs]]) 04:07, 19 August 2026 (UTC)</text>
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      <text bytes="239" sha1="eagt9ri6px17f6rlxwvrwnfb42u3py6" xml:space="preserve">==Why do love styles even matter?==
I would be curious to know why love styles even matter?
Sincerly, --[[User:U3246588|U3246588]] ([[User talk:U3246588|discuss]] • [[Special:Contributions/U3246588|contribs]]) 04:07, 19 August 2026 (UTC)</text>
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I am studying psychology at the University of Canberra

== Book chapter ==

== Social contributions ==</text>
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      <text bytes="300" sha1="aq51rpz79xuk75m0l6r2toszv4nu9ey" xml:space="preserve">== Biography ==

[start here]

== Book Chapter ==

I am working on the chapter [insert chapter title and link]

== Social Contributions ==

[Brief summary of social contribution 1 + HyperLink]

[Brief summary of social contribution 2 + HyperLink]

[Brief summary of social contribution 3 + HyperLink]</text>
      <sha1>aq51rpz79xuk75m0l6r2toszv4nu9ey</sha1>
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[start here]

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I am working on the chapter [insert chapter title and link]

== Social Contributions ==

[Brief summary of social contribution 1 + HyperLink]

[Brief summary of social contribution 2 + HyperLink]

[Brief summary of social contribution 3 + HyperLink]</text>
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[start here]

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== Social Contributions ==

[Brief summary of social contribution 1 (Added the template to this page and edited the title) + https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FPerfectionism_and_athlete_mental_health&amp;diff=2823057&amp;oldid=2823056]

[Brief summary of social contribution 2 + HyperLink]

[Brief summary of social contribution 3 + HyperLink]</text>
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[start here]

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I am working on the chapter [insert chapter title and link]

== Social Contributions ==

[Brief summary of social contribution 1 (Added the template to this page and edited the title) + https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FGetting_started&amp;diff=2823064&amp;oldid=2823062]

[Brief summary of social contribution 2 + HyperLink]

[Brief summary of social contribution 3 + HyperLink]</text>
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      <text bytes="489" sha1="snsfq2iixo36hci1wvh1l6ib9tm5iuw" xml:space="preserve">== Brief Biography ==

[start here]

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I am working on the chapter [insert chapter title and link]

== Social Contributions ==

[Brief summary of social contribution 1 (Added the template to this page and edited the title 19/08/2026) + https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FGetting_started&amp;diff=2823064&amp;oldid=2823062]

[Brief summary of social contribution 2 + HyperLink]

[Brief summary of social contribution 3 + HyperLink]</text>
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      <text bytes="82" sha1="32rscwht62ghw6szd2u65so7thsir9m" xml:space="preserve">Hi, I'm James Neill. I teach motivation and emotion at the University of Canberra.</text>
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      <text bytes="282" sha1="0jmrqb78l7quj31kdx1cbnbcdtpkxoq" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach motivation and emotion at the University of Canberra.

== Hobbies ==

* Mountain biking
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers

== Book chapter I'm working on ==

== Social contributions ==</text>
      <sha1>0jmrqb78l7quj31kdx1cbnbcdtpkxoq</sha1>
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      <comment>+ 1 point</comment>
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Hi, I'm '''James Neill'''. I teach motivation and emotion at the University of Canberra.

== Hobbies ==

* Mountain biking
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==

== Social contributions ==</text>
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      <comment>/* About me */ Add links</comment>
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      <text bytes="361" sha1="38m8nre5cxekdvrjav9n7m0zxm5qerk" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach [[motivation and emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

== Hobbies ==

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==

== Social contributions ==</text>
      <sha1>38m8nre5cxekdvrjav9n7m0zxm5qerk</sha1>
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        <id>10242</id>
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      <comment>/* Book chapter I'm working on */ + link</comment>
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      <format>text/x-wiki</format>
      <text bytes="464" sha1="d8mcxs73hz9gcgwbca1woxskz65v2yg" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach [[motivation and emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

== Hobbies ==

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==
[[Motivation and emotion/Book/2026/Exercise gamification motivation|Exercise gamification motivation]]

== Social contributions ==</text>
      <sha1>d8mcxs73hz9gcgwbca1woxskz65v2yg</sha1>
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      <comment>Added image</comment>
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      <text bytes="592" sha1="17jeetsu7wf3740sukecbaj435di1e9" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach [[motivation and emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

== Hobbies ==
[[File:Mountain Biking In Lenzerheide, Switzerland - 29591826245.jpg|thumb|'''Figure 1'''. Mountain biking is great exercise.]]

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==
[[Motivation and emotion/Book/2026/Exercise gamification motivation|Exercise gamification motivation]]

== Social contributions ==</text>
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      <comment>/* Hobbies */ Make image bigger</comment>
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      <text bytes="602" sha1="adsaijh1ihxw43m9088kyzcq7p310pg" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach [[motivation and emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

== Hobbies ==
[[File:Mountain Biking In Lenzerheide, Switzerland - 29591826245.jpg|thumb|'''Figure 1'''. Mountain biking is great exercise.|270x270px]]

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==
[[Motivation and emotion/Book/2026/Exercise gamification motivation|Exercise gamification motivation]]

== Social contributions ==</text>
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      <timestamp>2026-08-19T08:12:01Z</timestamp>
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        <username>Jtneill</username>
        <id>10242</id>
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      <comment>/* Social contributions */ Made 3 contributions</comment>
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      <text bytes="999" sha1="9srm79l2s3eaza4lefvmhoj8pr2sgt8" xml:space="preserve">== About me ==
Hi, I'm '''James Neill'''. I teach [[motivation and emotion]] at the [https://www.canberra.edu.au/ University of Canberra].

== Hobbies ==
[[File:Mountain Biking In Lenzerheide, Switzerland - 29591826245.jpg|thumb|'''Figure 1'''. Mountain biking is great exercise.|270x270px]]

* [[w:Mountain_biking|Mountain biking]]
* Guerilla gardening
* Exploring outdoors
*# Walking up hills
*# Exploring rivers
*# Google Map reviews

== Book chapter I'm working on ==
[[Motivation and emotion/Book/2026/Exercise gamification motivation|Exercise gamification motivation]]

== Social contributions ==

# [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion%2FBook%2F2026%2FImpulsivity_versus_sensation-seeking&amp;diff=2823022&amp;oldid=2822978 Fixed a title]
# [[Talk:Motivation and emotion/Book/2026/Impulsivity versus sensation-seeking|Made a suggestion about focus questions]]
# [https://uclearn.canberra.edu.au/courses/20143/discussion_topics/455261 Shared about what I want to learn]</text>
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      <comment>Started page - brief bio</comment>
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      <text bytes="172" sha1="lytsln20v53jeo23kkd3kruh52jjguw" xml:space="preserve">Hi, I am an undergraduate student at the University of Canberra. I am studying a degree in psychology and am currently taking a unit that focuses on motivation and emotion.</text>
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      <comment>described my hobbies and book chapter</comment>
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      <text bytes="625" sha1="mvs2ogntnbk3ev24e2zavnf6uyk0k6s" xml:space="preserve">== About me ==
I am an undergraduate student at the University of Canberra. I am studying a degree in psychology and am currently taking a unit that focuses on motivation and emotion. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* Scuba diving 
** I have a particular fascination with sharks 

== Book chapter I am working on ==
I am working on a book chapter surrounding Volunteer wellbeing and how volunteering affects the volunteer's subjective wellbeing. 

== Social Contributions ==</text>
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      <comment>/* Book chapter I am working on */ fixed incorrect capitalisation</comment>
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      <text bytes="624" sha1="qfwu7jqhocpjnfbl97ifqzkl6ufrnds" xml:space="preserve">== About me ==
I am an undergraduate student at the University of Canberra. I am studying a degree in psychology and am currently taking a unit that focuses on motivation and emotion. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* Scuba diving 
** I have a particular fascination with sharks 

== Book chapter I am working on ==
I am working on a book chapter surrounding volunteer wellbeing and how volunteering affects the volunteer's subjective wellbeing.

== Social Contributions ==</text>
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      <timestamp>2026-08-19T07:50:21Z</timestamp>
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      <comment>added links to other wikis and external sources</comment>
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      <text bytes="1156" sha1="pf2b2kmw7kys3c4z0r0kbs70f5zjtej" xml:space="preserve">== About me ==
I am an undergraduate student at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+Search+2026&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!793469273490!e!!g!!university%20of%20canberra!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqv-qg4UYYaemUpW3GHV1iUmf&amp;gclid=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE University of Canberra]. I am studying a degree in psychology and am currently taking a unit that focuses on [[motivation and emotion]]. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* Scuba diving 
** I have a particular fascination with sharks 

== Book chapter I am working on ==
I am working on a book chapter surrounding volunteer wellbeing and how volunteering affects the volunteer's subjective wellbeing.

== Social Contributions ==</text>
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      <comment>added links</comment>
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      <text bytes="1187" sha1="q3m0fmyk6r5jfpxyoj329ckvnn95p91" xml:space="preserve">== About me ==
I am an undergraduate student at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+Search+2026&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!793469273490!e!!g!!university%20of%20canberra!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqv-qg4UYYaemUpW3GHV1iUmf&amp;gclid=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE University of Canberra]. I am studying a degree in psychology and am currently taking a unit that focuses on [[motivation and emotion]]. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* [[w:Scuba_diving|Scuba diving]] 
** I have a particular fascination with [[w:Shark|sharks]] 

== Book chapter I am working on ==
I am working on a book chapter surrounding volunteer wellbeing and how volunteering affects the volunteer's subjective wellbeing.

== Social Contributions ==</text>
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      <comment>+Link</comment>
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      <text bytes="1266" sha1="rjt5iaacj6sgdxoeciwecd3wt4438fw" xml:space="preserve">== About me ==
I am an undergraduate student at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+Search+2026&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!793469273490!e!!g!!university%20of%20canberra!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqv-qg4UYYaemUpW3GHV1iUmf&amp;gclid=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE University of Canberra]. I am studying a degree in psychology and am currently taking a unit that focuses on [[motivation and emotion]]. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* [[w:Scuba_diving|Scuba diving]] 
** I have a particular fascination with [[w:Shark|sharks]] 

== Book chapter I am working on ==
I am working on a book chapter surrounding volunteer wellbeing and how volunteering affects the volunteer's subjective wellbeing.

[[Motivation and emotion/Book/2026/Volunteer wellbeing|Volunteer Wellbeing]] 

== Social Contributions ==</text>
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      <comment>/* Book chapter I am working on */ removal of unnecessary text</comment>
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      <text bytes="1135" sha1="l4yr1fzniavyj63relalnsx0bt0c9rv" xml:space="preserve">== About me ==
I am an undergraduate student at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+Search+2026&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!793469273490!e!!g!!university%20of%20canberra!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqv-qg4UYYaemUpW3GHV1iUmf&amp;gclid=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE University of Canberra]. I am studying a degree in psychology and am currently taking a unit that focuses on [[motivation and emotion]]. 

== Hobbies ==
In my time outside of work and university I enjoy: 

* Watching womens sport 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
* [[w:Scuba_diving|Scuba diving]] 
** I have a particular fascination with [[w:Shark|sharks]] 

== Book chapter I am working on ==
[[Motivation and emotion/Book/2026/Volunteer wellbeing|Volunteer Wellbeing]] 

== Social Contributions ==</text>
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      <comment>added figure</comment>
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      <text bytes="1279" sha1="p8rzqvj3z2ulf836ufykvl60bsphzzo" xml:space="preserve">== About me ==
I am an undergraduate student at the [https://www.canberra.edu.au/?utm_source=google&amp;utm_medium=search&amp;utm_campaign=Always+On+Domestic+Search+2026&amp;utm_term=exact+match&amp;utm_content=study+at+uc&amp;ef_id=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE:G:s&amp;s_kwcid=AL!10441!3!793469273490!e!!g!!university%20of%20canberra!20950742786!163508319248&amp;gad_source=1&amp;gad_campaignid=20950742786&amp;gbraid=0AAAAADQmSqv-qg4UYYaemUpW3GHV1iUmf&amp;gclid=CjwKCAjwqJXUBhBNEiwA8BgG7mJR1oQ-JGfWpZTyUTV0WC6lv8BQ1d1UTuRWcX81tULfi5cO7HMa2xoCbjUQAvD_BwE University of Canberra]. I am studying a degree in psychology and am currently taking a unit that focuses on [[motivation and emotion]]. 

== Hobbies ==
In my time outside of work and university I enjoy 

*[[w:Scuba_diving|Scuba diving]][[File:Scuba Divers in Cozumel, Mexico swimming through a coral cave.jpg|thumb|253x253px|Figure 1. Scuba diving is an amazing way to see the world.]]
** I have a particular fascination with [[w:Shark|sharks]] 
* Coaching junior soccer referees at my local football club
* Spending time with my dog 
*Watching womens sport

== Book chapter I am working on ==
[[Motivation and emotion/Book/2026/Volunteer wellbeing|Volunteer Wellbeing]] 

== Social Contributions ==</text>
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      <text bytes="116" sha1="mdwsr1phj7iyee5hm87jbyo6kdemisd" xml:space="preserve">Hiya! I'm a 3rd year student from the University of Canberra, I study a Bachelor In Psychology and Creative Writing.</text>
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      <text bytes="140" sha1="t735gk9hlp1z7zv50insby9hyuitkqc" xml:space="preserve">Hiya! I'm a '''3rd year student''' from the '''University of Canberra''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.</text>
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      <comment>The Heading and The SubTitle</comment>
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      <text bytes="355" sha1="gi7ix5zxdua8pdbbzkaimbu9qh9gryz" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''University of Canberra''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===</text>
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      <text bytes="383" sha1="n7nu7chxu4f7w19g47xjbmn7pvdcmun" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''University of Canberra''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===

== Social Contributions ==</text>
      <sha1>n7nu7chxu4f7w19g47xjbmn7pvdcmun</sha1>
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    <revision>
      <id>2823003</id>
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      <timestamp>2026-08-19T07:52:33Z</timestamp>
      <contributor>
        <username>U3262868</username>
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      <text bytes="520" sha1="fdmimfoixst1m0bg4qwodi45pi9gtwv" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''[https://www.canberra.edu.au/ University of Canberra]''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===
I'm working on a book called [[Motivation and emotion/Book/2026|motivation and emotion]], and chapter 67.

== Social Contributions ==</text>
      <sha1>fdmimfoixst1m0bg4qwodi45pi9gtwv</sha1>
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    <revision>
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      <timestamp>2026-08-19T07:53:33Z</timestamp>
      <contributor>
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      <text bytes="541" sha1="1crsa4o88td81wd7u2nx8w5kukhug89" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''[https://www.canberra.edu.au/ University of Canberra]''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===
I'm working on a book which is part of my unit for this semester, [[Motivation and emotion/Book/2026|motivation and emotion]].

== Social Contributions ==</text>
      <sha1>1crsa4o88td81wd7u2nx8w5kukhug89</sha1>
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    <revision>
      <id>2823042</id>
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      <text bytes="832" sha1="csl0q7rg83bk32u1zo217gi6l0z63eo" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''[https://www.canberra.edu.au/ University of Canberra]''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** [[File:Vincent Willem van Gogh 128.jpg|thumb|'''Figure 1.''' My favourite art piece.]]Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===
I'm working on a book which is part of my unit for this semester, [[Motivation and emotion/Book/2026|motivation and emotion]].

Check out my chapter, [[Motivation and emotion/Book/2026/Sensation-seeking and dopamine|Sensation Seeking and Dopamine - What is the neurobiological relationship between sensation-seeking and dopamine?]]

== Social Contributions ==</text>
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      <comment>SHB2000 moved page [[User:SunnySideUp1300]] to [[User:U3262868]]: Automatically moved page while renaming the user &quot;[[Special:CentralAuth/SunnySideUp1300|SunnySideUp1300]]&quot; to &quot;[[Special:CentralAuth/U3262868|U3262868]]&quot;</comment>
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      <text bytes="832" sha1="csl0q7rg83bk32u1zo217gi6l0z63eo" xml:space="preserve">== About Me ==
Hiya! I'm a '''3rd year student''' from the '''[https://www.canberra.edu.au/ University of Canberra]''', I study a Bachelor In '''Psychology''' and '''Creative Writing'''.

== My Hobbies ==

* '''Art'''
** [[File:Vincent Willem van Gogh 128.jpg|thumb|'''Figure 1.''' My favourite art piece.]]Painting 
** Sketching
** Drawing
* '''Playing Music'''
** Guitar
* '''Writing''' 
** Poetry 
** Short Narratives
* '''Baking'''

== My Work ==

=== Book Chapter ===
I'm working on a book which is part of my unit for this semester, [[Motivation and emotion/Book/2026|motivation and emotion]].

Check out my chapter, [[Motivation and emotion/Book/2026/Sensation-seeking and dopamine|Sensation Seeking and Dopamine - What is the neurobiological relationship between sensation-seeking and dopamine?]]

== Social Contributions ==</text>
      <sha1>csl0q7rg83bk32u1zo217gi6l0z63eo</sha1>
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  </page>
  <page>
    <title>African Arthropods/Bembecidae</title>
    <ns>0</ns>
    <id>331278</id>
    <revision>
      <id>2823019</id>
      <timestamp>2026-08-19T08:02:33Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>Created page with &quot;==Afrotropical [[w:Bembicidae|Bembicidae]]==  Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).  Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).  === Subfamily Alyssontinae === *Genus ''Alysson'' *Genus ''Didineis'' &lt;gallery mode=packed heights=200&gt;  &lt;/gallery&gt;  === Subfamily Bembicinae === *Genus ''Bembix'' &lt;gal...&quot;</comment>
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      <text bytes="1323" sha1="sikpwp3gh3zaqi7ohtf97jc4qjrs1iv" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;</text>
      <sha1>sikpwp3gh3zaqi7ohtf97jc4qjrs1iv</sha1>
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    <revision>
      <id>2823021</id>
      <parentid>2823019</parentid>
      <timestamp>2026-08-19T08:03:38Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>References</comment>
      <origin>2823021</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1341" sha1="ov5o538ayusoat363ivm14uxt1ei17j" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>ov5o538ayusoat363ivm14uxt1ei17j</sha1>
    </revision>
    <revision>
      <id>2823040</id>
      <parentid>2823021</parentid>
      <timestamp>2026-08-19T08:39:10Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Bembicinae */</comment>
      <origin>2823040</origin>
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      <text bytes="1369" sha1="hzqqiwfpuzkybyg7u49lj2guladjd0n" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>hzqqiwfpuzkybyg7u49lj2guladjd0n</sha1>
    </revision>
    <revision>
      <id>2823046</id>
      <parentid>2823040</parentid>
      <timestamp>2026-08-19T08:50:56Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Bembicinae */</comment>
      <origin>2823046</origin>
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      <text bytes="1427" sha1="8ae1ztahj9w6jyjn44zlv8lrndk7jek" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>8ae1ztahj9w6jyjn44zlv8lrndk7jek</sha1>
    </revision>
    <revision>
      <id>2823063</id>
      <parentid>2823046</parentid>
      <timestamp>2026-08-19T09:11:53Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <origin>2823063</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1509" sha1="364e4cu4rn3807alnv0ua3ciewus4gr" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>364e4cu4rn3807alnv0ua3ciewus4gr</sha1>
    </revision>
    <revision>
      <id>2823066</id>
      <parentid>2823063</parentid>
      <timestamp>2026-08-19T09:13:10Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Bembicinae */</comment>
      <origin>2823066</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1546" sha1="7qx5lhhlaae1tzku9j3arf20il2w3oz" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>7qx5lhhlaae1tzku9j3arf20il2w3oz</sha1>
    </revision>
    <revision>
      <id>2823072</id>
      <parentid>2823066</parentid>
      <timestamp>2026-08-19T09:32:38Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Bembicinae */</comment>
      <origin>2823072</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1582" sha1="1qzil557r2fswq59v2jpv0fqs1bodli" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>1qzil557r2fswq59v2jpv0fqs1bodli</sha1>
    </revision>
    <revision>
      <id>2823076</id>
      <parentid>2823072</parentid>
      <timestamp>2026-08-19T10:30:18Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Nyssoninae */</comment>
      <origin>2823076</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1789" sha1="kif3w1k3slodaen0r8lhra9g87tqcum" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe, but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>kif3w1k3slodaen0r8lhra9g87tqcum</sha1>
    </revision>
    <revision>
      <id>2823079</id>
      <parentid>2823076</parentid>
      <timestamp>2026-08-19T10:31:44Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Nyssoninae */</comment>
      <origin>2823079</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="1865" sha1="2fsvfo0x4qzf72uluz05pworgq4tq78" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>2fsvfo0x4qzf72uluz05pworgq4tq78</sha1>
    </revision>
    <revision>
      <id>2823081</id>
      <parentid>2823079</parentid>
      <timestamp>2026-08-19T10:35:43Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Nyssoninae */</comment>
      <origin>2823081</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="2080" sha1="im4xsiz1rm7a9yulfdxf4pschdlx468" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>im4xsiz1rm7a9yulfdxf4pschdlx468</sha1>
    </revision>
    <revision>
      <id>2823082</id>
      <parentid>2823081</parentid>
      <timestamp>2026-08-19T10:41:55Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Nyssoninae */</comment>
      <origin>2823082</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="2335" sha1="2r2p2sexdvv3dhano39mxln6knwys2d" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
*Genus ''Didineis''
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>2r2p2sexdvv3dhano39mxln6knwys2d</sha1>
    </revision>
    <revision>
      <id>2823084</id>
      <parentid>2823082</parentid>
      <timestamp>2026-08-19T10:54:15Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Alyssontinae */</comment>
      <origin>2823084</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="2608" sha1="1o9slmnlqxakjsah8jafnthq5es9l50" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''

&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>1o9slmnlqxakjsah8jafnthq5es9l50</sha1>
    </revision>
    <revision>
      <id>2823090</id>
      <parentid>2823084</parentid>
      <timestamp>2026-08-19T11:01:43Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Alyssontinae */</comment>
      <origin>2823090</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="2930" sha1="4xgx9c6mff88jhi3m3i0evgbc462a0k" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''
''Didineis'' is generally uncommon, but found across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt; There is an undescribed species known from South Africa.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Didineis/Didineis_species.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>4xgx9c6mff88jhi3m3i0evgbc462a0k</sha1>
    </revision>
    <revision>
      <id>2823094</id>
      <parentid>2823090</parentid>
      <timestamp>2026-08-19T11:04:17Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Subfamily Alyssontinae */</comment>
      <origin>2823094</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3047" sha1="3skrnbw098vxngb633haygz3bhi6t6d" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]]).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/250773-Alysson&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''
''Didineis'' is generally uncommon, but found across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/574332-Didineis&lt;/ref&gt; There is an undescribed species known from South Africa.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Didineis/Didineis_species.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>3skrnbw098vxngb633haygz3bhi6t6d</sha1>
    </revision>
    <revision>
      <id>2823098</id>
      <parentid>2823094</parentid>
      <timestamp>2026-08-19T11:11:03Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Afrotropical Bembicidae */</comment>
      <origin>2823098</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3106" sha1="l10a1dw1chk78642is5cy4wp7qsp7ab" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of apoid stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]], Superfamily [[African Arthropods/Apoidea|Apoidea]],).

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/250773-Alysson&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''
''Didineis'' is generally uncommon, but found across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/574332-Didineis&lt;/ref&gt; There is an undescribed species known from South Africa.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Didineis/Didineis_species.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>l10a1dw1chk78642is5cy4wp7qsp7ab</sha1>
    </revision>
    <revision>
      <id>2823099</id>
      <parentid>2823098</parentid>
      <timestamp>2026-08-19T11:21:33Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Afrotropical Bembicidae */</comment>
      <origin>2823099</origin>
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      <text bytes="3284" sha1="dpxg3tk85u58f91qmns1wni1q6c8wqn" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of apoid stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]], Superfamily [[African Arthropods/Apoidea|Apoidea]],). They are also known as sand wasps, as most make nests in burrows in sandy soil.

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
These wasps prey mainly on [[w:Leafhopper|leafhoppers]], which they use to provision their nests.
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/250773-Alysson&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''
''Didineis'' is generally uncommon, but found across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/574332-Didineis&lt;/ref&gt; There is an undescribed species known from South Africa.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Didineis/Didineis_species.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>dpxg3tk85u58f91qmns1wni1q6c8wqn</sha1>
    </revision>
    <revision>
      <id>2823100</id>
      <parentid>2823099</parentid>
      <timestamp>2026-08-19T11:21:57Z</timestamp>
      <contributor>
        <username>Alandmanson</username>
        <id>1669821</id>
      </contributor>
      <comment>/* Afrotropical Bembicidae */</comment>
      <origin>2823100</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="3288" sha1="f3bx9uhy4jdifqkffolrttcrjlj6gmq" xml:space="preserve">==Afrotropical [[w:Bembicidae|Bembicidae]]==

Bembicidae is a family of apoid stinging wasps (Infraorder [[African Arthropods/Aculeata|Aculeata]], Superfamily [[African Arthropods/Apoidea|Apoidea]],). They are also known as sand wasps, as most make nests in burrows dug in sandy soil.

Afrotropical Bembicidae comprise 18 genera in three subfamilies&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt; (illustrated below).

=== Subfamily Alyssontinae ===
These wasps prey mainly on [[w:Leafhopper|leafhoppers]], which they use to provision their nests.
*Genus ''Alysson''
''Alysson'' is widespread across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/250773-Alysson&lt;/ref&gt; There are four Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Alysson/index.htm&lt;/ref&gt; 
*Genus ''Didineis''
''Didineis'' is generally uncommon, but found across North America and [[w:Eurasia|Eurasia]].&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/457/mode/2up&lt;/ref&gt;&lt;ref&gt;https://www.inaturalist.org/taxa/574332-Didineis&lt;/ref&gt; There is an undescribed species known from South Africa.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Alyssontinae/Didineis/Didineis_species.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

=== Subfamily Bembicinae ===
*Genus ''Bembix''
&lt;gallery mode=packed heights=200&gt;
Bembix capensis 386096979.jpg
Bembix triangulifera.png
Bembix iN 195581985.jpg
&lt;/gallery&gt;
*Genus ''Afrogorytes''
*Genus ''Gorytes''
&lt;gallery mode=packed heights=200&gt;
Gorytes natalensis 112517046.jpg
&lt;/gallery&gt;
*Genus ''Harpactus''
*Genus ''Hoplisoides''
&lt;gallery mode=packed heights=200&gt;
Hoplisoides thalia iN 268375748 a.jpg
Hoplisoides iN 250545880 Shingwedzi Rest Camp, Kruger.jpg
&lt;/gallery&gt;
*Genus ''Lestiphorus''
*Genus ''Handlirschia''
*Genus ''Ammatomus''
*Genus ''Kohlia''
*Genus ''Sphecius''
&lt;gallery mode=packed heights=200&gt;
Sphecius inaturalist 65474997 01.jpg
Sphecius inaturalist 65474997 02.jpg
&lt;/gallery&gt;
*Genus ''Bembecinus''
&lt;gallery mode=packed heights=200&gt;
Bembecinus iN 153052948.jpg
Bembecinus iN 256481028.jpg
&lt;/gallery&gt;
*Genus ''Stizoides''
*Genus ''Stizus''
&lt;gallery mode=packed heights=200&gt;
Sand wasp (Stizus fuscipennis).jpg
Stizus imperialis.jpg
Stizus inaturalist 250421218 01.jpg
&lt;/gallery&gt;

=== Subfamily Nyssoninae ===
*Genus ''Brachystegus''
''Brachystegus'' is known from the Palearctic and Afrotropics;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt; there are seven Afrotropical species.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Classification/index.htm&lt;/ref&gt;
*Genus ''Hovanysson''
This genus is limited to two species from Madagascar.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Hovanysson/index.htm&lt;/ref&gt;&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/471/mode/2up&lt;/ref&gt;
*Genus ''Nysson''
''Nysson'' is a large genus, widely distributed in North America and Europe,&lt;ref&gt;https://archive.org/details/bub_gb_FExMjuRhjpIC/page/467/mode/2up&lt;/ref&gt; but limited to a few species in the Afrotropics.&lt;ref&gt;https://www.waspweb.org/Apoidea/Bembicidae/Nyssoninae/Nysson/index.htm&lt;/ref&gt;
&lt;gallery mode=packed heights=200&gt;

&lt;/gallery&gt;

== References ==</text>
      <sha1>f3bx9uhy4jdifqkffolrttcrjlj6gmq</sha1>
    </revision>
  </page>
  <page>
    <title>Talk:Motivation and emotion/Book/2026/Impulsivity versus sensation-seeking</title>
    <ns>1</ns>
    <id>331279</id>
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      <timestamp>2026-08-19T08:09:22Z</timestamp>
      <contributor>
        <username>Jtneill</username>
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      <comment>Focus questions</comment>
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      <text bytes="252" sha1="nor0tk74x7pe31zz2tyd9okqy98jibv" xml:space="preserve">== Focus questions ==
Promising progress. Remember to use bullet-points for the focus questions. See Tutorial 2.
---- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 08:09, 19 August 2026 (UTC)</text>
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      <comment>about me</comment>
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      <text bytes="263" sha1="1ibuxr0pkae65oosn86h77wl2a270x0" xml:space="preserve">== About me ==
Hi, im Noorah Chami. I am a current student at the University of Canberra, studying a double degree in psychology and law. 

== Book chapter i am working on ==
I will be writing a book chapter on the emotion of awe and its relationship with nature.</text>
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      <text bytes="253" sha1="mxj7am0qub3gc8zwvkflq69z6r0vklq" xml:space="preserve">== About me ==
Hi, im Noorah Chami. I am a current student at the University of Canberra, studying a double degree in psychology and law. 

== Book chapter topic ==
I will be writing a book chapter on the emotion of awe and its relationship with nature.</text>
      <sha1>mxj7am0qub3gc8zwvkflq69z6r0vklq</sha1>
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      <text bytes="304" sha1="8f5szttpwhcaky1c1crt61rdzdfhmel" xml:space="preserve">== About Me ==
Hi, im Noorah Chami. I am a current student at the University of Canberra, studying a double degree in [https://www.canberra.edu.au/course/SCSC01/2/2026 psychology and law.] 

== Book Chapter Topic ==
I will be writing a book chapter on the emotion of awe and its relationship with nature.</text>
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      <text bytes="413" sha1="44wetu3x5zsd44253ht6l9l1xoasxzt" xml:space="preserve">== About Me ==
Hi, im Noorah Chami. I am a current student at the University of Canberra, studying a double degree in [https://www.canberra.edu.au/course/SCSC01/2/2026 psychology and law.] 

== Book Chapter Topic ==
I will be writing a book chapter on the emotion of [https://en.wikiversity.org/w/index.php?title=Motivation_and_emotion/Book/2026/Awe_and_nature&amp;veaction=edit awe and its relationship with nature.]</text>
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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]].</text>
      <sha1>j9oam0wwwgulvjvzmcllbsud05k0lxh</sha1>
    </revision>
    <revision>
      <id>2823091</id>
      <parentid>2823050</parentid>
      <timestamp>2026-08-19T11:01:58Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Awe]] using [[Help:Gadget-HotCat|HotCat]]</comment>
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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Awe]]
.</text>
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    </revision>
    <revision>
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      <parentid>2823091</parentid>
      <timestamp>2026-08-19T11:02:12Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Nature]] using [[Help:Gadget-HotCat|HotCat]]</comment>
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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Awe]]
[[Category:Motivation and emotion/Book/Nature]]
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&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>j8li5anz69acsf3t5a1r89bj88bwjol</sha1>
    </revision>
    <revision>
      <id>2823057</id>
      <parentid>2823056</parentid>
      <timestamp>2026-08-19T09:03:30Z</timestamp>
      <contributor>
        <username>~2026-44358-51</username>
        <id>3106981</id>
      </contributor>
      <comment>Edited title</comment>
      <origin>2823057</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9972" sha1="ggrthv8h9fbjz83l89ijrlu41xxtupe" xml:space="preserve">{{title|Perfectionism and athlete mental health&lt;br&gt;How does perfectionism affect athlete mental health?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>ggrthv8h9fbjz83l89ijrlu41xxtupe</sha1>
    </revision>
    <revision>
      <id>2823086</id>
      <parentid>2823057</parentid>
      <timestamp>2026-08-19T11:00:15Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <comment>Add colon to title</comment>
      <origin>2823086</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9973" sha1="0ql3ggh89sbgc2q3fjniujrz51q6ye1" xml:space="preserve">{{title|Perfectionism and athlete mental health:&lt;br&gt;How does perfectionism affect athlete mental health?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>0ql3ggh89sbgc2q3fjniujrz51q6ye1</sha1>
    </revision>
    <revision>
      <id>2823087</id>
      <parentid>2823086</parentid>
      <timestamp>2026-08-19T11:00:41Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Mental health]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2823087</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10028" sha1="kkmr6qwm41pd0vttiwogfqomxp5ghgn" xml:space="preserve">{{title|Perfectionism and athlete mental health:&lt;br&gt;How does perfectionism affect athlete mental health?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mental health]]</text>
      <sha1>kkmr6qwm41pd0vttiwogfqomxp5ghgn</sha1>
    </revision>
    <revision>
      <id>2823088</id>
      <parentid>2823087</parentid>
      <timestamp>2026-08-19T11:01:02Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Perfectionism]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2823088</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10083" sha1="2bvjbtvc8tv0hrzhohiveh9iddw8f2j" xml:space="preserve">{{title|Perfectionism and athlete mental health:&lt;br&gt;How does perfectionism affect athlete mental health?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mental health]]
[[Category:Motivation and emotion/Book/Perfectionism]]</text>
      <sha1>2bvjbtvc8tv0hrzhohiveh9iddw8f2j</sha1>
    </revision>
    <revision>
      <id>2823089</id>
      <parentid>2823088</parentid>
      <timestamp>2026-08-19T11:01:24Z</timestamp>
      <contributor>
        <username>Jtneill</username>
        <id>10242</id>
      </contributor>
      <minor />
      <comment>added [[Category:Motivation and emotion/Book/Sport]] using [[Help:Gadget-HotCat|HotCat]]</comment>
      <origin>2823089</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10130" sha1="hp0c0zr2bqb2xt0kf56z0n5j4i4v14p" xml:space="preserve">{{title|Perfectionism and athlete mental health:&lt;br&gt;How does perfectionism affect athlete mental health?}}
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Mental health]]
[[Category:Motivation and emotion/Book/Perfectionism]]
[[Category:Motivation and emotion/Book/Sport]]</text>
      <sha1>hp0c0zr2bqb2xt0kf56z0n5j4i4v14p</sha1>
    </revision>
  </page>
  <page>
    <title>Motivation and emotion/Book/2026/Getting started</title>
    <ns>0</ns>
    <id>331285</id>
    <revision>
      <id>2823062</id>
      <timestamp>2026-08-19T09:10:17Z</timestamp>
      <contributor>
        <username>U3284040</username>
        <id>3106549</id>
      </contributor>
      <comment>Started page</comment>
      <origin>2823062</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="10264" sha1="j8li5anz69acsf3t5a1r89bj88bwjol" xml:space="preserve">{{title|Title goes here:&lt;br&gt;Subtitle goes here?}}
&lt;div align=center&gt;Edit above to match the wording (and [[w:Stylistic or specialised usage|casing]]) in the [[Motivation and emotion/Book/2026|2026 list of topics]].&lt;br&gt;[[Motivation and emotion/About/Staff|Seek approval]] for any changes.&lt;br&gt;Do not include your name (authorship is as per the [[Special:History/{{PAGENAME}}|page's history]]).&lt;/div&gt;
__TOC__

==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
      <sha1>j8li5anz69acsf3t5a1r89bj88bwjol</sha1>
    </revision>
    <revision>
      <id>2823064</id>
      <parentid>2823062</parentid>
      <timestamp>2026-08-19T09:11:53Z</timestamp>
      <contributor>
        <username>U3284040</username>
        <id>3106549</id>
      </contributor>
      <comment>Title edit</comment>
      <origin>2823064</origin>
      <model>wikitext</model>
      <format>text/x-wiki</format>
      <text bytes="9976" sha1="85t7bdddofi5efhbrlr9d0xoroqwate" xml:space="preserve">{{title|Getting Started&lt;br&gt;Why is task initiation difficult and how to overcome it?}}
&lt;div align=center&gt;&lt;/div&gt;
__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]</text>
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      <comment>added [[Category:Motivation and emotion/Book/Goal pursuit]] using [[Help:Gadget-HotCat|HotCat]]</comment>
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      <text bytes="10030" sha1="j5u7iy5fuoceut9yyy61j98wz92t2u5" xml:space="preserve">{{title|Getting Started&lt;br&gt;Why is task initiation difficult and how to overcome it?}}
&lt;div align=center&gt;&lt;/div&gt;
__TOC__
==Overview==
{{RoundBoxTop|theme=3}}
[[File:A picture is worth a thousand words.jpg|right|thumb|150px|'''Figure 1'''. Use a captioned image to illustrate the scenario]]

; Imagine this ... or Scenario ... or Case study or ... ?)

Start with an engaging [[#Scenarios|scenario, example, or case study]] which illustrates the problem and engages reader interest.

Present the scenario in a [[#Feature box|feature box]]. To change the box colour:
# Edit source
# Change &quot;theme=3&quot; to another number

Include an image and cite it (e.g., see Figure 1).

{{RoundBoxBottom}}

The Overview section should provide:
# '''Scenario''': A short, engaging case study or real-world example in a feature box, with an accompanying image (see above)
# '''Explanation of the problem, issue, or topc''': Briefly explain the problem, why it is important, and outline how psychological science can help
# '''Focus questions''': Unpack the sub-title into focus questions in a feature box

Recommended length: 180 to 330 words.

This template provides key headings, examples, and tips for each section. Gradually remove this generic information as the chapter develops. It is OK to retain some template material for the topic development, but it should all be removed from the book chapter.

Key resources:
* [[Motivation and emotion/Tutorials/Wiki editing|Tutorial 2]] explains how to edit
* [[Motivation and emotion/Assessment/Topic|Topic development guidelines]]
* [[Motivation and emotion/Assessment/Chapter|Book chapter guidelines]]

{{RoundBoxTop|theme=3}}
'''Focus questions'''

Break the sub-title down into three to five [[Motivation and emotion/Assessment/Chapter/Focus questions|focus questions]]. Align the top-level headings with these focus questions.
* What is the first focus question?
* What is the second focus question? 
* What is the third focus question?

Ask [[w:Open-ended question|open-ended]] questions. For example:

{{cross}} Is there a relationship between weather and criminal behaviour? (closed-ended)&lt;br&gt;{{tick}} What is the relationship between weather and criminal behaviour? (open-ended)
{{RoundBoxBottom}}

==Headings==
Use this heading structure:
* [[#Overview|Overview]]
* 3 to 6 major headings tailored to the topic; can have sub-headings:
** avoid sections with only one sub-heading (use 0 or 2+ sub-headings)
** provide an introductory paragraph before breaking into sub-sections
* [[#Conclusion|Conclusion]]
* [[#See also|See also]]
* [[#References|References]]
* [[#External links|External links]]

==Key points==
* For the topic development, provide at least three bullet-points for each heading and sub-heading, including the Overview and Conclusion 
* Include key citations

==Figures==
[[File:Thought bubble.svg|right|140px|thumb|'''Figure 2'''. Example of an image with a descriptive caption.]]

* For the book chapter, use several figures to illustrate concepts, add interest, and to serve as examples
* For the topic development, use at least one figure (even if not ideal) to show that you know how to embed, caption, and cite a figure
* Figures can show any kind of media such as photos, diagrams, graphs, video, audio, and so on
* Embed figures throughout the chapter, starting with the scenario in the Overview section
* Provide descriptive figure captions (use '''Figure #''' and explain the relevance of the image to the text)
* Images must be embedded from [[commons:|Wikimedia Commons]]
* Images can be uploaded to [[commons:|Wikimedia Commons]] if they are openly licensed
* Cite each figure at least once in the main text (e.g., see Figure 2)

==Learning features==
Learning features help to bring book chapters to life and can be embedded throughout the chapter. Here are some options:

{{anchor|Scenarios}}
;Scenarios
* Scenarios, case studies, or examples that illustrate concepts in action
* Present using [[#Feature boxes|feature boxes]]; can be split into multiple boxes throughout a chapter (e.g., to illustrate different theories or stages)
* Can be real or fictional; if real, provide citation(s)

{{anchor|Feature box}}
;Feature boxes
* Highlight key content using [[Motivation and emotion/Wikiversity/Feature box|feature boxes]], but don't overuse, otherwise they lose their effect
* Consider using feature boxes for:
** [[#Scenarios|Scenarios]], case studies, or examples
** Focus questions
** Tips
** Quiz questions
** Take-home messages

;Embedded links
* When key words are introduced, use [[Help:Links|interwiki links]] to:
** Wikipedia articles (e.g., &quot;An early psychological view [[w:Dreams|dreams]]) of dreams was provided by [[w:Sigmund Freud|Sigmund Freud]]&quot;) or
** Related book chapters (e.g., &quot;If you're feeling stuck, check out the chapter about [[Motivation and emotion/Book/2020/Writer's block|writer's block]]&quot;)

{{anchor|Tables}}
;Tables
* Use tables to organise and summarise information
* Cite each table at least once in the main text (e.g., see Table 1)
* Tables should be captioned
* [[Motivation and emotion/Wikiversity/Tables|More example tables]] which can be adapted

'''Table 1''' 

A Descriptive Caption Explains The Table Contents and its Relevance to the Text e.g., 

The 2 x 2 Johari Window Model Showing the Relationship Between Known/Unknown and Self/Other

{| class=&quot;wikitable&quot; style=&quot;margin: auto;
|-
! !! Known to self !! Not known to self
|-
| '''Known to others''' || Open area || Blind spot
|-
| '''Not known to others''' || Hidden area || Unknown
|}

;Quizzes
* One or two quiz questions for each main section is better than a long quiz at the end
* Quiz ''conceptual'' understanding, rather than trivia. Ask about important information such as the take-home messages
* Ask easy rather than hard questions
* Different types of quiz questions are possible; see [[Help:Quiz|Quiz]]

Example simple quiz questions. Choose your answers and click &quot;Submit&quot;:
&lt;quiz display=simple&gt;
{The purpose of quizzes is to provide an interactive learning feature:
|type=&quot;()&quot;}
+ True
- False

{Long and complex quiz questions are recommended:
|type=&quot;()&quot;}
- True
+ False
&lt;/quiz&gt;

==Conclusion==
* Arguably the most important section
* Provide at least three bullet-points for this section even at the topic development stage, based on preliminary thinking
* For the book chapter, develop clear take-home message(s) that address the focus questions based on psychological theory and research
* Together, the [[#Overview|Overview]] and Conclusion should summarise the problem, its significance, and how psychological science contributes to understanding and addressing this problem
* Recommended length: 150 to 330 words

{{tip|Suggestions for this section:
* What is the answer to the sub-title question based on psychological theory and research?
* What are the answers to the focus questions?
* What are the practical, take-home messages?
}}

==See also==
[[Help:Contents/Links#Interwiki_links|Internal (wiki) links]] to the most relevant Wikiversity pages (esp. related [[Motivation and emotion/Book|motivation and emotion book chapters]]) and [[w:|Wikipedia articles]]. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [[Motivation and emotion/Book/About/Collaborative authoring using wiki|Collaborative authoring using wiki]] (Wikiversity)
* [[Motivation and emotion/Book/2021/Light triad|Light triad]] (Book chapter, 2021)
* [[w:Self determination theory|Self determination theory]] (Wikipedia)

{{tip|Suggestions for this section:
* Link to the most relevant internal resources about the topic
* Include the source in parentheses
}}

==References==
Provide the references for all citations in [[w:APA style|APA style]] (7th ed.) or [[w:Wikipedia:Citing sources|wiki style]]. Alternatively, you can use wiki style (as used on Wikipedia), as long as the information is complete and the formatting is consistent.

APA style example:
{{Hanging indent|1=

Rosenberg, B. D., &amp; Siegel, J. T. (2018). A 50-year review of psychological reactance theory: Do not read this article. ''Motivation Science'', ''4''(4), 281–300. https://doi.org/10.1037/mot0000091

Sacks, O. (1985). ''The man who mistook his wife for a hat and other clinical tales''. Harper &amp; Row.

}}

{{tip|Suggestions for this section:
* Important aspects of APA referencing style
** Author surname, followed by a comma, then the author initials separated by full stops and spaces
** Year of publication in parentheses
** Title of work in lower case (except first letter and proper names), ending in a full-stop
** Journal title in italics, volume number in italics, issue number in parentheses, first and last page numbers separated by an en-dash(–), followed by a full-stop
** doi as a URL which is a working hyperlink (i.e., clickable)
** Hanging indent: Wrap the set of references in the [[Template:Hanging indent|hanging indent template]]:
*** Use &quot;Edit source&quot;
*** &lt;nowiki&gt;{{Hanging indent|1= the full list of references}}&lt;/nowiki&gt;
* The most common mistakes include:
** Incorrect capitalisation
** Incorrect italicisation
** dois which aren't clickable as working hyperlinks
** Citing sources that haven't been consulted
}}

==External links==
[[Help:Contents/Links#External_links|External links]] to highly relevant resources such as podcasts and videos, news articles, and professional sites. Use [[w:Letter case#Sentence casing|sentence casing]] and alphabetical order. For example:
* [https://students.unimelb.edu.au/academic-skills/explore-our-resources/essay-writing/six-top-tips-for-writing-a-great-essay Six top tips for writing a great essay] (University of Melbourne)
* [http://www.skillsyouneed.com/write/structure.html The importance of structure] (skillsyouneed.com)

{{tip|Suggestions for this section:
* Link to the most relevant external resources about the topic
* Include the source in parentheses after the link
}}

[[Category:{{#titleparts:{{PAGENAME}}|3}}]]
[[Category:Motivation and emotion/Book/Goal pursuit]]</text>
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      <text bytes="1855" sha1="bh5qexvlpo5oqgrjo7bqcsi04wl2lfx" xml:space="preserve">== seo course in Delhi ==

An '''SEO Course in Delhi''' is an excellent choice for students, graduates, job seekers, freelancers, entrepreneurs, and working professionals who want to build practical skills in Search Engine Optimization. A professional SEO course helps learners understand how search engines work and how websites can improve their visibility on Google and other search platforms.

=== What You Learn in an SEO Course ===
A comprehensive SEO training program generally covers:

* '''Keyword Research''' – Find relevant and high-potential keywords.
* '''On-Page SEO''' – Optimize titles, meta descriptions, headings, URLs, and website content.
* '''Off-Page SEO''' – Learn ethical link-building, business listings, profile creation, and other promotion techniques.
* '''Technical SEO''' – Understand website speed, indexing, crawling, mobile optimization, and technical issues.
* '''Local SEO''' – Learn how businesses can improve visibility in local Google searches.
* '''Content Optimization''' – Create useful, keyword-focused content for better search visibility.
* '''SEO Tools''' – Get familiar with tools used for keyword research, website analysis, rankings, and performance tracking.
* '''SEO Analytics''' – Learn how to monitor traffic, rankings, conversions, and overall SEO performance.

=== Why Choose SEO Training in Delhi? ===
Delhi has a growing digital marketing industry, making it a useful location for learning SEO skills and understanding real-world digital marketing practices. Practical training can help learners develop the confidence to work on websites, analyze SEO performance, and implement optimization strategies. [[User:Seo course in delhi|Seo course in delhi]] ([[User talk:Seo course in delhi|discuss]] • [[Special:Contributions/Seo course in delhi|contribs]]) 10:30, 19 August 2026 (UTC)</text>
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        <id>3108400</id>
      </contributor>
      <comment>Created page with &quot; An e-commerce course provides hands-on expertise in building, scaling, and managing online stores. Whether you choose a local institute or a flexible online program, taking a structured training program equips you with the technical and strategic framework needed to succeed in modern online retail.  === Core Curriculum &amp; Key Skills === A comprehensive e-commerce course covers both operational setup and performance marketing:  * '''Store Setup &amp; CMS:''' Hands-on experien...&quot;</comment>
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An e-commerce course provides hands-on expertise in building, scaling, and managing online stores. Whether you choose a local institute or a flexible online program, taking a structured training program equips you with the technical and strategic framework needed to succeed in modern online retail.

=== Core Curriculum &amp; Key Skills ===
A comprehensive e-commerce course covers both operational setup and performance marketing:

* '''Store Setup &amp; CMS:''' Hands-on experience configuring store layouts, custom domains, and shopping carts using platforms like Shopify, WooCommerce, or Magento.
* '''Digital Marketing &amp; Customer Acquisition:''' Mastering Search Engine Optimization (SEO), Pay-Per-Click (PPC) ads via Google Ads, and targeted social media marketing (Meta Ads) to drive traffic.
* '''Marketplace Operations:''' Account management, product listing optimization, and order fulfillment across major platforms like Amazon and eBay.
* '''Data Analytics &amp; CRO:''' Using Google Analytics to track visitor behavior, calculate customer lifetime value (LTV), and optimize conversion rates (CRO).
* '''Logistics, Payments &amp; Security:''' Managing inventory systems, integrating payment gateways, setting up supply chains, and establishing customer protection protocols.

=== Key Benefits ===

* '''Accelerated Business Launch:''' Skip trial-and-error by applying structured frameworks for product selection, pricing models, and vendor relations.
* '''Practical Tool Mastery:''' Gain direct familiarity with essential industry tools like Google Analytics, Meta Business Suite, Mailchimp, and CMS platforms.
* '''Portfolio Development:''' Complete real-world capstone projects, such as building a live demo store or executing a simulated marketing campaign, to showcase your skill set to employers.
* '''High-Growth Career Readiness:''' Position yourself for a rapidly expanding retail sector where businesses prioritize digital-first revenue models.

=== Career Opportunities ===
Completing an e-commerce course opens up diverse career paths across corporate retail brands, digital marketing agencies, or independent ventures:
{| class=&quot;wikitable&quot;
|'''Role'''
|'''Key Responsibilities'''
|-
|'''E-Commerce Specialist / Manager'''
|Oversees day-to-day online store operations, revenue performance, inventory flow, and site UX.
|-
|'''Marketplace Specialist'''
|Manages cataloging, listings, FBA logistics, and brand store performance on platforms like Amazon.
|-
|'''Performance Marketer'''
|Executes and scales paid advertising campaigns across Google, Meta, and affiliate channels to maximize ROI.
|-
|'''Store Owner / Entrepreneur'''
|Builds, launches, and operates an independent online brand or dropshipping store.
|-
|'''E-Commerce Consultant'''
|Advises traditional brick-and-mortar retail businesses on digital transformation strategies.
|}</text>
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      <comment>Welcome</comment>
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      <text bytes="2326" sha1="906qvh32lpv8uc4x6sqlugggv5ffow6" xml:space="preserve">==Welcome==
{{Robelbox|theme=9|title='''[[Wikiversity:Welcome|Welcome]] to [[Wikiversity:What is Wikiversity|Wikiversity]],  U3269915!'''|width=100%}}
&lt;div style=&quot;{{Robelbox/pad}}&quot;&gt;
You can [[Wikiversity:Contact|contact us]] with [[Wikiversity:Questions|questions]] at the [[Wikiversity:Colloquium|colloquium]] or get in touch with [[User talk:Jtneill|me personally]] if you would like some [[Help:Contents|help]].

Remember to [[Wikiversity:Signature#How to add your signature|sign]] your comments when [[Wikiversity:Who are Wikiversity participants?|participating]] in [[Wikiversity:Talk page|discussions]]. Using the signature icon [[File:OOjs UI icon signature-ltr.svg]] makes it simple.

We invite you to [[Wikiversity:Be bold|be bold]] and [[Wikiversity|assume good faith]]. Please abide by our [[Wikiversity:Civility|civility]], [[Wikiversity:Privacy policy|privacy]], and [[Foundation:Terms of Use|terms of use]] policies.

To find your way around, check out:
&lt;!-- The Left column --&gt;
&lt;div style=&quot;width:50.0%; float:left&quot;&gt;
* [[Wikiversity:Introduction|Introduction to Wikiversity]]
* [[Help:Guides|Take a guided tour]] and learn [[Help:Editing|how to edit]]
* [[Wikiversity:Browse|Browse]] or visit an educational level portal:&lt;br&gt;[[Portal:Pre-school Education|pre-school]] | [[Portal:Primary Education|primary]] | [[Portal:Secondary Education|secondary]] | [[Portal:Tertiary Education|tertiary]] | [[Portal:Non-formal Education|non-formal]]
* [[Wikiversity:Introduction explore|Explore]] links in left-hand navigation menu
&lt;/div&gt;
&lt;!-- The Right column --&gt;
&lt;div style=&quot;width:50.0%; float:left&quot;&gt;

* Read an [[Wikiversity:Wikiversity teachers|introduction for teachers]]
* Learn [[Help:How to write an educational resource|how to write an educational resource]]
* Find out about [[Wikiversity:Research|research]] activities
* Give [[Wikiversity:Feedback|feedback]] about your observations
* Discuss issues or ask questions at the [[Wikiversity:Colloquium|colloquium]]
&lt;/div&gt;
&lt;br clear=&quot;both&quot;/&gt;

To get started, experiment in the [[wikiversity:sandbox|sandbox]] or on [[special:mypage|your userpage]].

See you around Wikiversity! ---- [[User:Jtneill|Jtneill]] - &lt;small&gt;[[User talk:Jtneill|Talk]] - [[Special:Contributions/Jtneill|c]]&lt;/small&gt; 11:07, 19 August 2026 (UTC)&lt;/div&gt;
&lt;!-- Template:Welcome --&gt;
{{Robelbox/close}}</text>
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