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Jean Piaget

Swiss psychologist Jean Piaget, founder of cognitive development theory and a pioneer of constructivism in education and developmental psychology.

1896-08-09
18:00
Neuchâtel / Geneva, Switzerland
#Science & Tech
# psychologist # educator # Bazi:甲日主 # 伤官配印 # constructivism

BaZi Chart

Year
Eating God
丙 Bing
申 Shen
Seven Killings
Indirect Resource
Indirect Wealth
Month
Eating God
丙 Bing
申 Shen
Seven Killings
Indirect Resource
Indirect Wealth
Day
Yuan Male
甲 Jia
午 Wu
Hurting Officer
Direct Wealth
·
Hour
Direct Resource
癸 Gui
酉 You
Direct Officer
·
·
View Full Chart

Birth Time Verification

Day Master Jia Wood was born on a Wu day. In the year and month pillars, both Bing as Shi Shen stand out, indicating strong scholarly expression and writing talent. However, Jia Wood needs Water (the Yin/Seal) to nourish thinking and introspection. The hour pillar’s heavenly stem is Gui and the hour branch is You, forming an energy field of the 'Proper Seal' and Metal. The Proper Seal Gui directly nourishes Jia Wood, and You Metal supports rationality, organization, and abstract analysis, which fits Piaget’s scholarly temperament of theoretical and systematic cognitive development. By contrast, hours heavy with Shang Shen (伤食) such as Yin or Mao lean toward experimental and outward expression, not inward contemplation. Although Ren-Shen has some Pian Yin energy, its Shen stores Geng as Seven Killings (庚七杀), giving a sharp edge that favors argument, which is less aligned than Gui-You’s gentle rationality with Piaget’s lifelong immersion in research, writings, and educational influence. Therefore, the most likely hour is You (18:00–19:00).

Core Analysis

Jean Piaget's Bazi shows a 甲日主（Wood） born into a chart dominated by 丙火 influences (year and month 丙申) and balanced by metal and water in the branches (申、酉、午、癸). The overall pattern reads as 伤官配印: creative, expressive energy (伤官) supported by resourceive and scholarly elements (印), which helps explain his original theoretical constructions and institutional achievements.

In practical terms, the twin 丙申 pillars provide active intellectual drive and public expression; the 日主甲木 seeks to grow and construct ideas, while 酉金/申金 provide framing, critique and organizational structure. The presence of 癸印 in the hour gives reflective, research-oriented support that stabilizes imaginative output into disciplined theory and teaching.

Looking at the 大运, early 丁酉 (1906-1915) and 戊戌 (1916-1925) phases align with Piaget's initial publications and academic consolidation: creative output found social and institutional footing. Later 己亥 and 庚子 cycles coincided with expanding institutional roles and international recognition. The chart therefore maps well to a life of original theory-building plus formal academic leadership.

Traits

1

Creativity & Theory Building

High creativity is indicated by 伤官 prominence (丙火 acting on 甲木) enabling novel expression; this supports Piaget's systemic theory formation and original constructs.

2

Academic Leadership

Strong institutional influence arises from metal and resource support (申、酉 with 癸印), reflecting 印绶 that legitimizes teaching positions and leadership roles.

3

Analytical Rigor

The presence of 印 (癸) and balanced 五行 interplay yields disciplined research habits and methodological care, though creative streak may prioritize conceptual over empirical detail at times.

4

Interpersonal Flexibility

With dominant 伤官 energy Piaget shows independent thinking and occasional challenge to authority; social adaptability is solid but can be tested when 甲木 growth meets restrictive metal influences.

Timeline

1911
Luck Pillar
丁 Ding 酉 You
Annual Pillar
辛 Xin 亥 Hai
Talent Star Emerges Authority Transforms into Recognition Heavenly Nobleman Taiji Nobleman
15yrs career

A Prodigy Emerges: First Monograph Stuns the World

At just 15 years old, Piaget published a monograph on mollusks, demonstrating astonishing precocity and a profound interest and exceptional talent for natural science research.

Analysis
This year, Piaget was in the Ding-You Talent Star Major Period. The major period's heavenly stem Ding Fire (Talent Star) emerged, representing the Creativity and Expression favored by his Bazi pattern, signifying talent, thought, creation, and expression. The annual pillar Xin-Hai saw the heavenly stem Xin Metal (Authority) combine with the Bing Fire (Creativity) in the year and month pillars, Bing-Xin combining into Water, transforming the wisdom of Creativity and the norms/fame of Authority into the Recognition Star (Water). The Recognition Star represents learning, research, publications, and academic achievement. This clever transformation of 'Authority into Recognition' is the astrological reflection of his ability to turn personal interests (Creativity) into rigorous academic results (Authority/Recognition). The annual branch Hai Water is the Partial Recognition Star, secretly combining with the day branch Wu Fire, activating the day pillar and tightly integrating inner wisdom and passion (Wu Fire Talent Star). Additionally, the year encountered Heavenly Nobleman and Taiji Nobleman, favorable for opening wisdom and encountering opportunities. His early fame and external recognition of his talent were indeed destined.
1913
Luck Pillar
丁 Ding 酉 You
Annual Pillar
癸 Gui 丑 Chou
Talent Star Emerges Year Combines with Recognition Noblemen Gather Talent Expresses Brilliance
17yrs career

Unlocking Wisdom: From Biology to Psychology

Piaget entered the University of Neuchâtel to study biology and began developing a strong interest in psychology, extensively exploring early schools like pathological psychology and psychoanalysis, laying a solid interdisciplinary foundation for his later groundbreaking cognitive development theory.

Analysis
This year coincided with the Ding-You Talent Star Major Period and the Gui-Chou Recognition Star Year. Astrologically, the major period's heavenly stem Ding Fire (Talent Star) clashed with the annual heavenly stem Gui Water (Recognition Star), forming the classic 'Talent Paired with Recognition' combination. The Talent Star represents talent, exploration, and unorthodox thought; the Recognition Star represents learning, credentials, and noble support. This clash instead ignited a strong thirst for knowledge and academic exploration. The annual branch Chou Earth combined with the hour branch Zi Water, activating the Gui Water Recognition Star in the hour pillar, directly strengthening academic luck, favorable for advanced studies. Simultaneously, auspicious stars like the Heavenly Nobleman, Heavenly Virtue Nobleman, and State Seal converged, indicating easy recognition from mentors and official approval on the academic path, a golden period for establishing his academic direction.
1918
Luck Pillar
戊 Wu 戌 Xu
Annual Pillar
戊 Wu 午 Wu
Wei-Xu Partial Wealth Period Wu-Xu Semi-Combine Fire Formation Talent Gains Strength General Star
22yrs career

Cornerstone of Academia: Earns Doctorate in Natural Sciences

Piaget successfully completed his doctorate at the University of Neuchâtel, earning a Ph.D. in Natural Sciences. This not only affirmed his early academic career but also laid a solid foundation in scientific methodology for his later groundbreaking psychological research.

Analysis
In 1918, Piaget was in the Wei-Xu Partial Wealth Major Period, with the annual pillar Wu-Wu. This year, the major period branch Xu and the annual branch Wu semi-combined into a Fire formation, making the Fire element extremely strong. Fire represents the Talent Star in his Bazi, symbolizing wisdom, thought, and academic achievement. Although his day master Jia Wood is weak, the strong and well-expressed Talent Star means his talent and ideas could be excellently displayed and released. The year encountered the General Star, favorable for prominence and taking on important roles in his field. The major period and annual heavenly stems are both Partial Wealth, which are unfavorable elements, but the Fire formation in the branches acts as a conduit, transforming the Wealth energy into the creativity of the Talent Star, enabling him to achieve key academic results (doctorate). This period and year perfectly represent the time when he transformed his abundant mental energy into tangible achievements through rigorous academic training (rules and pressure represented by Authority).
1919
Luck Pillar
戊 Wu 戌 Xu
Annual Pillar
己 Ji 未 Wei
Day Pillar Double-Combines with Year Talent Gains Strength Noble Stars Active
23yrs personal

Intellectual Awakening in Zurich

Piaget went to the University of Zurich for a brief study of psychology, systematically encountering Freudian and Jungian psychoanalytic theories for the first time, planting crucial seeds for his later groundbreaking theory of child cognitive development.

Analysis
This year was in the Wei-Xu Partial Wealth Major Period, with the annual pillar Ji-Wei. Astrologically, the annual heavenly stem Ji Earth (Wealth) combines with the day master Jia Wood (Jia-Ji combine into Earth), and the annual branch Wei Earth combines with the day branch Wu Fire (Wu-Wei combine into Fire), forming an auspicious Heaven and Earth Double Combination. This combination activates the day pillar, representing a strong stimulation of personal thought and initiative. Meanwhile, the Fire and Earth energy in the major period and year are strong. Although they are unfavorable elements in his chart, Fire represents the Talent Star, governing thought, exploration, and expression. The Talent Star gaining strength corresponds to traveling abroad, delving into psychology, and expanding his mental world. The year's astrological signs show Heavenly Nobleman and Heavenly Official Nobleman, indicating he was prone to inspiration and assistance on his academic path, perfectly matching his exposure to cutting-edge theories (Freud, Jung).
1920
Luck Pillar
戊 Wu 戌 Xu
Annual Pillar
庚 Geng 申 Shen
Talent Gains Strength Harsh Authority Clashes with Day Master Wenchang Nobleman Travel Star Moves
24yrs career

Parisian Enlightenment: Insight into Child Thought at Binet's Lab

Piaget moved to Paris to work at the school founded by Alfred Binet. By assisting with intelligence tests, he systematically observed the regularity of children's cognitive errors for the first time, laying the initial cornerstone for his cognitive development theory.

Analysis
This year, Piaget was in the Wei-Xu Partial Wealth Major Period. The major period branch Xu semi-combines with the day branch Wu into a Fire formation, activating the already strong Talent Star (Fire) in his chart. The Talent Star represents thought, wisdom, and expression; strong Fire indicates an exceptionally active mental world, strong thirst for knowledge, a relaxed mindset, suitable for research and creation. The annual pillar Geng-Shen sees the Harsh Authority (Geng Metal) emerge, directly clashing with his Jia Wood day master, bringing significant external pressure and challenges (e.g., new environment, new job), but also stimulating his instinct to use Talent (wisdom) to counter Authority (pressure). The year encountered the Wenchang Nobleman and Travel Star, favorable for academic research, studying abroad, and sharp thinking. This year, the Fire (Talent Star) energy gained strength in his chart, forming a favorable 'Talent Controlling Authority' combination with the Harsh Authority, perfectly reflecting his ability to transform external pressure (intelligence test work) into profound internal insight (discovering patterns in child cognition).
1923
Luck Pillar
戊 Wu 戌 Xu
Annual Pillar
癸 Gui 亥 Hai
Year Clashes with Marriage Star Wu-Xu Semi-Combine Fire Favorable Element Gains Strength
27yrs love

Marriage to Valentine Châtenay

Piaget married Valentine Châtenay, opening a new chapter in his life. This marriage not only brought family warmth but also provided his children, who later became invaluable subjects for his research on child cognitive development.

Analysis
This year was in the Wei-Xu Partial Wealth Major Period, with the annual pillar Ren-Xu. The major period's heavenly stem Wei Earth (Partial Wealth) directly clashes with the day master Jia Wood, originally a strong signal unfavorable for marriage. However, the annual branch Xu semi-combines with the day branch Wu into a Fire formation. Fire is the favorable Talent Star for his pattern, able to express brilliance and generate wealth, transforming pressure into authority. The annual heavenly stem Ren Water (Partial Recognition) emerges; although checked by the major period's Wei Earth, it also helps support the day master. This indicates that seemingly turbulent romantic luck, under the harmonizing influence of the strong favorable Fire element in the year, instead facilitated a stable union. The simultaneous appearance of the Huagai and State Seal stars also hints that this marriage carried a deep academic and research character, with the spouse becoming a key supporter and source of inspiration for his career.
1929
Luck Pillar
己 Ji 亥 Hai
Annual Pillar
己 Ji 巳 Si
Jia-Ji Combine into Earth Talent Expresses Brilliance Heavenly Official Nobleman Year Clashes with Major Period
33yrs career

Dual Appointments, Reaching the Global Education Stage

Piaget was appointed Professor of the History of Scientific Thought at the University of Geneva and simultaneously became the Director of the International Bureau of Education (IBE), beginning to promote educational reform on a global scale, with both academic and administrative influence reaching new heights.

Analysis
This year's annual pillar Ji-Si sees the heavenly stem Ji Earth (Wealth) combine with the day master Jia Wood (Jia-Ji combine), signifying wealth coming to him, indicating the acquisition of important positions and fame in his career—a typical 'Wealth and Authority both beautiful' sign. The annual branch Si Fire is the Talent Star, representing thought, expression, and education, perfectly reflecting his appointment as professor and head of an educational institution. Simultaneously, the Heavenly Official Nobleman appears, indicating he was prone to official recognition and promotion. The annual branch Si Fire clashes with the major period branch Hai Water; a clash signifies movement. This clash activated the palace representing thought, documents, and distant places, facilitating the change and acceptance of his international position.
1934
Luck Pillar
己 Ji 亥 Hai
Annual Pillar
甲 Jia 戌 Xu
Jia-Ji Combine Wealth Talent Expresses Brilliance State Seal & Huagai
38yrs career

Wisdom's Voice for Salvation

As Director of the IBE, Piaget publicly proposed the core idea that 'only education can save society from collapse,' elevating education to the cornerstone of social development, demonstrating his foresight and responsibility as a thought leader.

Analysis
This year coincided with the Ji-Hai Major Period (Wealth) and the Jia-Xu Year (Peer). The annual heavenly stem Jia Wood is the day master itself, combining with the major period heavenly stem Ji Earth (Jia-Ji combine) into Earth (Wealth Star). This combination activates the circulation between the day master Jia Wood and the Wealth, Authority, and Recognition stars, closely integrating personal energy (Peer) with social resources (Wealth). The annual branch Xu Earth semi-combines with the day branch Wu Fire into a Fire formation. Fire is the Talent Star, representing thought, wisdom, and expression. This formation greatly stimulated the already strong Talent Star energy in his chart, allowing his academic ideas and educational philosophy to be systematically organized and publicly advocated. Simultaneously, the astrological signs State Seal and Huagai appeared together; the former signifies official recognition and authoritative pronouncements, the latter unique talent and profound thought, jointly contributing to the proposal of this milestone idea.
1938
Luck Pillar
庚 Geng 子 Zi
Annual Pillar
戊 Wu 寅 Yin
Major Period Heaven-Earth Clash Year's Travel Star Clashes Favorable Element Gains Strength
42yrs career

Lausanne Chair, Expanding Academic Influence

Piaget concurrently served as Professor of Experimental Psychology and Sociology at the University of Lausanne, Switzerland, extending his academic influence from Geneva to a broader stage.

Analysis
This year was in the Geng-Zi Major Period, where the major period clashes with the day pillar Jia-Wu in both heaven and earth stems, a period of major life transformation with intense upheaval and restructuring in his career environment. The annual pillar Wu-Yin sees Yin Wood as the Base Star (Root) of the day master Jia Wood, and Yin-Wu semi-combine into a Fire formation, giving the Fire (Talent Star) energy strength. The Talent Star represents talent, thought, and expression, symbolizing the eruption of academic ideas. Simultaneously, the annual branch Yin clashes with the Shen Metal (Travel Star) in the year and month pillars; a clash with the Travel Star indicates signs of long-distance travel, transfers, or job changes, corresponding to this geographical and professional dual move to teach at the University of Lausanne. Amidst great pressure and change (Harsh Authority emerges in the major period), the activated Talent Star energy instead transformed pressure into academic breakthroughs and expanded influence.
1955
Luck Pillar
辛 Xin 丑 Chou
Annual Pillar
乙 Yi 未 Wei
Major Period Combines Authority Year Combines Wealth Heavenly Nobleman Heavenly Official Nobleman Wu-Wei Combine Fire
59yrs career

Founding the Thought Factory, Establishing an Academic Empire

Piaget founded the International Center for Genetic Epistemology at the University of Geneva and served as its director until his death. This institution became the 'production workshop' of his intellectual system, the pinnacle of his academic career.

Analysis
This year was the last year of the Xin-Chou Major Period. The major period's heavenly stem Xin Metal (Authority) combines with the double pillars' Bing Fire (Talent Star) in the year and month, forming the favorable situation of 'Combining Authority, Leaving Talent'. The Talent Star represents thought, wisdom, and creativity; being combined by Authority (career, status) means his academic ideas and theories gained recognition from official institutions and transformed into a stable career platform. The annual pillar Yi-Wei sees the branches Wu-Wei combine, activating the day pillar (marriage palace) and simultaneously combining into Fire (Talent Star), the favorable element for his pattern, indicating his academic inspiration and desire for expression peaked. The astrological signs Heavenly Nobleman and Heavenly Official Nobleman appear together, indicating support from influential people and official favor, providing key assistance for founding and leading this international academic center. Although the major period and year clash in heaven and earth stems (Xin-Yi clash, Chou-Wei clash), bringing change and challenge, the direction of change aligned with the favorable elements, ultimately achieving a career peak.
1964
Luck Pillar
壬 Ren 寅 Yin
Annual Pillar
甲 Jia 辰 Chen
Partial Recognition Period Triple-Combine Water Formation Huagai Star Active Talent Star Emerges Travel Star Clashes
68yrs career

Crossing Oceans: A Beacon of Thought at Cornell

Piaget was invited to serve as the chief consultant for the 'Conference on Cognitive Studies and Curriculum Development' at Cornell University, USA. His groundbreaking theory of child cognitive development received high recognition and acclaim in the international education community.

Analysis
This year was towards the end of the Ren-Yin Partial Recognition Major Period. The major period's heavenly stem Ren Water (Partial Recognition) emerges, representing the widespread dissemination of academic thought and reputation. The annual pillar Jia-Chen sees its branch Chen form a Shen-Zi-Chen Triple-Combine Water Formation with the Shen and Zi branches from his chart's year, month, and hour pillars. Water is the Recognition Star, greatly enhancing the influence and reach of his theoretical system, creating a 'many hands make light work' atmosphere of teamwork. The year encounters the Huagai star, indicating unique talent shines brightly—his cognitive theory fits this sign perfectly. The original chart's double Bing Fire Talent Star emerges, representing his wisdom and expressiveness, which, supported by the major period branch Yin Wood (Peer), could be fully displayed in a foreign academic hall. Simultaneously, the major period branch Yin Wood clashes with the Travel Star Shen Metal in the year and month pillars, indicating long-distance travel and change, corresponding to this important international academic journey.
1964
Luck Pillar
壬 Ren 寅 Yin
Annual Pillar
甲 Jia 辰 Chen
Partial Recognition Period Triple-Combine Recognition Formation Huagai Star Active Talent Expresses Brilliance
68yrs career

Academic Thought Crosses Oceans, Shining at Berkeley

Served as a consultant at a conference at UC Berkeley, integrating cutting-edge concepts of cognitive science with educational practice, further expanding the influence of his academic thought on the international stage.

Analysis
This year was the last year of the Ren-Yin Partial Recognition Major Period. The major period's heavenly stem Ren Water (Partial Recognition) emerges, representing academics, thought, and noble support. The annual pillar Jia-Chen sees its branch Chen form a Shen-Zi-Chen Triple-Combine Water Formation with the chart and major period branches. Water is the Recognition Star; this formation greatly enhances Recognition Star energy, symbolizing the widespread dissemination and acceptance of academic thought, with strong teamwork and external support. Simultaneously, the annual Huagai star is active, favorable for showcasing unique talent and intellectual depth. The chart itself has the Talent Star emerging, representing expression and wisdom. In a year of strong Recognition, the Talent Star expresses brilliance, allowing ideas to be perfectly output. Serving as a consultant at an international academic conference perfectly embodies this sign.
1979
Luck Pillar
甲 Jia 辰 Chen
Annual Pillar
己 Ji 未 Wei
Jia-Ji Combine Wealth Heaven and Earth Double Combination Heavenly Nobleman Heavenly Official Nobleman Recognition Star Triple-Combine
83yrs career

Academic Pinnacle: Honored with the Balzan Prize

Piaget received the internationally renowned Balzan Prize in the Social and Political Sciences category for his groundbreaking cognitive development theory, receiving world-class recognition for its profound interdisciplinary impact.

Analysis
This year was in the Jia-Chen Major Period. The major period branch Chen forms a Shen-Zi-Chen Triple-Combine Water Formation with the Shen and Zi branches from his chart's year, month, and hour pillars, greatly enhancing the power of the Recognition Star (representing academics, thought, honor), setting a ten-year tone for winning international awards. The annual pillar Ji-Wei sees the heavenly stem Ji Earth (Wealth) combine with the day master Jia Wood (Jia-Ji combine), and the branches Wu-Wei also combine into Fire (Wu-Wei combine), forming a Heaven and Earth Double Combination, activating the day pillar, indicating career soaring and abundant support. The astrological signs Heavenly Nobleman and Heavenly Official Nobleman appear together, symbolizing the attainment of high honors and official recognition in academia. Although the day master Jia Wood is weak, this year the major period and annual pillars combine forces, wealth comes to him, and Authority generates Recognition, transforming the pressure of Harsh Authority into authority and fame. This perfectly reflects the fruition of his academic thought and the attainment of world-class glory.
1980
Luck Pillar
甲 Jia 辰 Chen
Annual Pillar
庚 Geng 申 Shen
Jia-Geng Clash Triple-Combine Water Formation Unfavorable Harsh Authority Facing the Year Star
84yrs personal

A Star Extinguished, Returning to Silence

On September 16, 1980, Jean Piaget died in Geneva, Switzerland, at the age of 84. According to his wishes, he was buried in an unmarked grave in the Cimetière des Rois (King's Cemetery) in Geneva, his lifetime of brilliance returning to peace.

Analysis
This year was the Geng-Shen Harsh Authority Year, clashing with the day master Jia Wood in a Jia-Geng clash, a strong signal of impact and change. The annual heavenly stem Geng Metal is an unfavorable element in his chart; Harsh Authority attacks the self, representing immense pressure and challenge. Simultaneously, the annual branch Shen forms a Shen-Zi-Chen Triple-Combine Water Formation with the major period branch Chen and the hour branch Zi. Water is the Recognition Star; although it has the intention of transforming the Harsh Authority and supporting the self, the Water energy is excessively strong, causing the Wood (Jia Wood day master) to float without roots. Under the assault of strong Metal and immersion of strong Water, the day master's foundation is shaken. This year also coincided with Facing the Year Star, indicating change and extreme events. The叠加 of multiple factors marks the end of a major life cycle.

FAQ

How does the 甲日主 explain Piaget's intellectual style?
The 甲日主 signals a self-driven growth orientation: Wood seeks to expand and build systems. Combined with 伤官, it produces innovative, constructive thinking and a preference for creating conceptual frameworks.
Which luck pillars correspond to Piaget's major achievements?
Early 丁酉 and 戊戌 cycles (1906–1925) coincide with initial publications and academic entry; 己亥 and 庚子 (1926–1945) align with professorships and institutional leadership, consistent with creative output gaining institutional recognition.
What does 伤官配印 mean for his career?
伤官配印 means creative expression supported by scholarly resources: ideas were both original and substantiated, enabling theory development and acceptance within academic institutions.
Were there chart risks that affected his work?
Yes. Metal influences (申、酉) can restrain 甲木, leading to periods of critique or institutional friction; similarly, strong 伤官 can make one dogmatic about personal theories if not balanced by sufficient 印 support.
What practical advice does the Bazi offer about his legacy?
The chart emphasizes transforming creative insight into durable institutions and teaching—Piaget's path of publishing, founding centers, and educating successive generations matches this strategy and secures long-term influence.

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