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Bazi / Four Pillars of Destiny

Bazi, literally 'eight characters,' is a Chinese astrology system that maps your birth moment into four pillars (year, month, day, hour), each containing a Heavenly Stem and Earthly Branch. It's a framework for understanding personality patterns, timing, and life dynamics—not a fortune-telling machine.

Last updated · Jan 14, 2026

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Bazi / Four Pillars — Chinese astrology chart

Meaning and Context

Bazi (八字) translates to "eight characters"—referring to the eight Chinese characters that encode your birth time. These come from four pillars: Year, Month, Day, and Hour, each expressed as a pair of Heavenly Stem (天干) and Earthly Branch (地支).

In traditional Chinese culture, Bazi serves as a language for discussing personality tendencies, relationship dynamics, career patterns, and timing. It's closer to a symbolic analysis system than a deterministic prediction tool.

  • Four Pillars: Year (ancestry/early environment), Month (parents/career environment), Day (self/spouse), Hour (children/later life)
  • Eight Characters: 4 Heavenly Stems + 4 Earthly Branches = 8 characters total
  • Day Master: The Day Stem represents "you" in the chart—all other elements relate to it
Important boundary
Bazi provides frameworks for reflection and timing awareness—not medical, legal, or financial advice. Treat insights as one input among many, not as deterministic verdicts.

Classical Roots

The modern Bazi system is attributed to Xu Ziping (徐子平) of the Song Dynasty, who refined earlier methods to center analysis on the Day Pillar. Key classical texts include "Yuanhai Ziping" (渊海子平) and "Sanming Tonghui" (三命通会).

Primary excerpt
「凡看命,以日干为主。」— All chart reading takes the Day Stem as the primary reference point.
Plain translation
"When analyzing a chart, take the Day Stem as the master." This establishes the Day Master (日主) as the center of interpretation—everything else is read in relation to it.

Another foundational quote from Sanming Tonghui explains the origin of the four pillars:

Classical context
「人禀天地之气而生,故有年月日时,谓之四柱。」— Humans are born receiving the qi of heaven and earth, hence the year, month, day, and hour, called the Four Pillars.

Structure and Relationships

A Bazi chart is structured as four columns (pillars), read from right to left traditionally. Each pillar has two rows: Heavenly Stem on top, Earthly Branch below.

  • 10 Heavenly Stems: 甲乙丙丁戊己庚辛壬癸 (Jia, Yi, Bing, Ding, Wu, Ji, Geng, Xin, Ren, Gui)
  • 12 Earthly Branches: 子丑寅卯辰巳午未申酉戌亥 (Zi, Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, Hai)
  • Each stem/branch has Five Element and Yin/Yang attributes
  • Hidden Stems: Earthly Branches contain "hidden" stems that add depth to analysis

Relationships between pillars include: combinations (合), clashes (冲), harms (害), and penalties (刑). These modify how elements interact and affect chart dynamics.

How to Read It

Reading Bazi is layered. Start simple, add complexity gradually:

  1. Identify Day Master: What element are you? What's its yin/yang polarity?
  2. Check seasonal strength: Is Day Master strong or weak in the birth month?
  3. Map Ten Gods: What roles do other elements play relative to Day Master?
  4. Look for combinations and clashes: What interactions modify the basic structure?
  5. Consider Luck Pillars: How do 10-year cycles bring different elements into play?
Beginner tip
Don't try to interpret everything at once. Start with Day Master + Month Branch (seasonal context), then gradually add Ten Gods and combinations.

How It Shows Up in FateFolio

In FateFolio's Bazi tool, your chart is presented as structured sections: the Four Pillars visualization, elemental distribution, Ten Gods analysis, and personalized guidance.

  • Visual chart: See your eight characters with element colors and hidden stems
  • Strength analysis: Day Master strength with seasonal context explained
  • Ten Gods breakdown: What each God means for your chart specifically
  • Actionable framework: Guidance framed as options and trade-offs, not guarantees
Try it yourself
Generate your Bazi report with your birth data to see how these concepts apply to your specific chart.

Common Misconceptions

Many misunderstandings come from treating Bazi as a fortune-telling machine rather than an analytical framework:

  • Treating it as deterministic fate prediction rather than pattern analysis
  • Over-focusing on single elements while ignoring overall structure
  • Assuming "missing element = bad luck" without considering chart balance
  • Taking online auto-generated interpretations as absolute truth
  • Ignoring the importance of Luck Pillars (timing) in chart reading

Sources and Quotes

All quotes and references are linked to accessible sources for verification. Classical text punctuation may vary by edition.

Quoted excerpts

「凡看命,以日干为主。」
Source 《渊海子平》(明·万民英)· 八字以出生日的天干(日主)为核心,代表命主本人。
「人禀天地之气而生,故有年月日时,谓之四柱。」
Source 《三命通会》(明·万民英)· 四柱即年、月、日、时四个时间单位,各含天干地支。

References

  1. 《渊海子平》(明·万民英) · Chinese Text Project
  2. 《三命通会》(明·万民英) · Chinese Text Project
  3. Chinese Astrology (Encyclopædia Britannica) · Encyclopædia Britannica

FAQ

What information do I need to calculate my Bazi chart?

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You need your birth date (year, month, day) and birth hour. The exact hour matters because it determines your Hour Pillar. If you don't know your exact birth time, some analysis is still possible using just the first three pillars. Birth location is also helpful for converting to local solar time, which affects the accuracy of Month and Hour pillars.

Is Bazi the same as Chinese zodiac?

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Not exactly. The Chinese zodiac (12 animals) is just the Year Branch—one of eight characters in Bazi. Bazi is much more comprehensive, using all four pillars and their interactions. Saying 'I'm a Dragon' only describes 1/8 of your Bazi chart. The Day Master and Month Branch often carry more weight in detailed analysis.

Can Bazi predict my future accurately?

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Bazi is better understood as a framework for pattern recognition and timing awareness rather than precise prediction. It can highlight tendencies and favorable/challenging periods, but outcomes depend on many factors including personal choices. Treat Bazi insights as one input for reflection and planning—not as deterministic prophecy.