命Mantic arts dossier · Fate calculation and astral nativities

四柱子平命理

Sìzhù Zǐpíng Mìnglǐ·Four Pillars / Bazi fate calculation

Birth year, month, day and hour are each expressed as a stem-branch pillar; the day stem anchors analysis of ten relations, phases, patterns, seasonal adjustment, major cycles and years.

A conceptual study of four stem-branch columns, a seasonal month-command ring, ten-role relations and period bands
Aliases
Four Pillars, Eight Characters, Ziping, Three Fates
Formation
Tang fate calculation as predecessor; Four-Pillar system matured after the Five Dynasties and early Song
Evidence status
Textually documentedTraditional attributionContested lineage or date
About 4 min
Study notes & citation

四柱子平命理. Institute of Chinese Mantic Arts. https://www.manticarts.com/en/arts/bazi

On this page

01Core principles

Core principles

Translate formulas into structure: what enters, how the model is arranged, and which relations drive interpretation.

Eight characters form four pillars with the day stem as reference. The month command supplies season; visible and hidden stems become ten relations. Schools then emphasize pattern, strength, climatic adjustment, spirits or resonance and arrange major and annual cycles.

Key concepts

02Origins and historical development

Origins and historical development

Keep traditional accounts, surviving evidence and later transformations distinct.

Tang methods associated with Li Xuzhong emphasized year, month and day. Full Four-Pillar systems developed after the Song and honored Xu Ziping. Ming-Qing compendia integrated pattern, strength, spirits and seasonal adjustment; modern schools reorganized them for teaching.

STUDY / Sìzhù Zǐpíng Mìnglǐ

Calendar boundaries in Four Pillars

Materials and inputs
Record precision, place, time standard and year/month conventions

Research question

Which pillars change near a solar-term boundary?

Practical exercise

Use a fictional boundary time. Record the time standard, calendar source and solar-term boundary; verify pillars before comparing analytical layers.

03Evidence limits and research debates

Evidence limits and research debates

Distinguish traditional interpretations, documented material and claims requiring testing.

The received Li Xuzhong text is not an intact Tang original, and sole invention by Xu Ziping oversimplifies long development. Birth-time conversion should state timezone, local solar-time policy and calendar source.

This dossier supports historical, textual and methodological study. Internal traditional explanations are not modern empirical validation and do not replace medical, legal, financial or other professional advice.

04Core texts and materials

Core texts and materials

  1. 01Li Xuzhong Mingshu
  2. 02Wuxing Jingji
  3. 03Yuanhai Ziping
  4. 04Sanming Tonghui
  5. 05Ditian Sui and Ziping Zhenquan
Editorial status

Knowledge atlas · documented facts and traditional attributions distinguished · revised 2026-09-28

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