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History of BaZi: 2,000 Years of Chinese Astrology

From Shang-Zhou divination to modern AI — 2,000 years of Chinese astrology.

BCE 1100

Shang-Zhou · Origins of Divination

Shang-era oracle bone inscriptions recorded heavenly stems and earthly branches extensively, for both divination and keeping dates. The system of ten stems and twelve branches took shape in this period.

Key Figures
King Wen of Zhou
Key Breakthrough
The 64 hexagrams of the I Ching established a symbolic system for divining time
1
762 CE

Tang Dynasty · Li Xuzhong's Three-Pillar Method

Li Xuzhong interpreted charts from the year, month, and day pillars alone, and was later revered as the founding father of Chinese astrology. At this stage, readings used only three pillars — the hour pillar had not yet been added.

Key Figures
Li Xuzhong
Key Breakthrough
Fate reading by three pillars (year, month, day), replacing pure divination
2
960 CE

Song Dynasty · Xu Ziping's Four-Pillar Method

Xu Ziping added the hour pillar to Li Xuzhong's three-pillar system, establishing the four-pillar (year, month, day, hour) method that became the foundation of Ziping BaZi. Xu left no writings himself; his teachings were compiled by followers in Yuan Hai Zi Ping.

Key Figures
Xu Ziping
Key Breakthrough
Established the four-pillar (year, month, day, hour) system of chart reading
3
1368 CE

Ming Dynasty · Wan Yuwu's Synthesis

Wan Yuwu compiled San Ming Tong Hui, gathering the finest of earlier Chinese astrology. It remains one of the richest collections of case studies — and an essential reference for researchers today.

Key Figures
Wan Yuwu
Key Breakthrough
San Ming Tong Hui synthesized earlier works with the most extensive case studies of its time
4
1644 CE

Qing Dynasty · Shen Xiaozhan's Pattern Method

Shen Xiaozhan wrote Zi Ping Zhen Quan, focused entirely on pattern analysis and selecting the favorable element — a must-read classic. In the same era, Ren Tieqiao annotated Di Tian Sui; together they form the twin classics of Ziping study.

Key Figures
Shen Xiaozhan, Ren Tieqiao
Key Breakthrough
Zi Ping Zhen Quan's pattern method + Di Tian Sui's qi-flow school
5
1770 CE

Qing Dynasty · Qiongtong Baojian Temperament Method

Yu Chuntai compiled Qiong Tong Bao Jian, devoted entirely to five-element temperament adjustment (remedy through the favorable element), analyzing favorable and unfavorable elements by day stem and birth month.

Key Figures
Yu Chuntai
Key Breakthrough
Qiong Tong Bao Jian — the dedicated treatise on temperament and favorable elements
6
1911 CE

Republic Era · The Craft Goes Public

During the Republic era, Chinese astrology texts were mass-printed, moving from master-to-apprentice secrecy to public education. Scholars such as Yuan Shushan, Wei Qianli, and Xu Lewu flourished.

Key Figures
Yuan Shushan, Wei Qianli, Xu Lewu
Key Breakthrough
Popularization and institutionalization of Chinese astrology knowledge
7
2020 CE

Modern Era · AI Chart Reading

The rise of large language models brought traditional Chinese astrology knowledge together with AI — giving birth to chart reading products like FateRead, and carrying millennia of wisdom to modern audiences.

Key Figures
AI + Chinese Astrology Researchers
Key Breakthrough
AI-powered chart reading + automated charting + knowledge graphs
8