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The Learn Track

Learn BaZi. The Four Pillars System, Start to Finish

4 min read

BaZi (八字, “eight characters”) is a 1,000-year-old framework for reading personality, timing, and compatibility from a birth datetime. It is not magic. It is a model, and a surprisingly precise one once you learn its parts.

These pages walk you from “what is this?” to professional chart-reading. No prior knowledge assumed. No mysticism. Pick a topic below or follow them in order, they build on each other.

Start here(3 · ~52 min total)

Three essays that get you chart-ready.

入门

Quickstart. BaZi in 15 Minutes

Five short sections that get a complete beginner from never-heard-of-BaZi to ready-to-read-their-own-chart. Built for skimming, not for skipping.

Read →~15 min
五行

The Five Elements

Wood, Fire, Earth, Metal, Water, and the two cycles that govern how they interact. Get this and you have 80% of the foundation.

Read →~12 min
日主

The 10 Day Masters

Your Day Stem is your anchor identity. Detailed empirical profiles for all ten. Yang Wood through Yin Water.

Read →~25 min
Foundation(2 · ~24 min total)

Assumes you've read Start Here. Fills in the 1,000-year framework behind the five elements.

八字Foundation

What Is BaZi?

The long-form version. The 1,000-year-old Chinese system that maps your birth moment into eight characters, origins, structure, and what it actually does.

Read →~10 min
天干地支Foundation

Stems & Branches

The ten Heavenly Stems and twelve Earthly Branches, the alphabet BaZi is written in. Includes hidden stems and the hour table.

Read →~14 min
Core(2 · ~32 min total)

Assumes you know the five elements and stems & branches. The machinery that turns them into a reading.

十神Core

The Ten Gods

Not deities, labels for how every element in your chart relates to your Day Master. The bridge from elemental math to real-life meaning.

Read →~18 min
冲合Core

Clashes & Combinations

How branches interact: the six clashes, six combinations, three harmonies, harms, and punishments. Where most life events happen.

Read →~14 min
Practitioner(3 · ~38 min total)

Assumes you can read the Ten Gods. Pattern recognition and timing tools a reader uses daily.

神煞Practitioner

Symbolic Stars

Auxiliary markers like Heavenly Noble, Peach Blossom, and Travelling Horse. Reference table for the most common stars.

Read →~10 min
大运Practitioner

Luck Pillars

Your ten-year cycles. How direction is calculated, why start age varies, and how to read a luck pillar entering your chart.

Read →~12 min
看八字Practitioner

Reading a Chart

An eight-step walkthrough for analyzing any chart. Use this as your reading checklist once you know the basics.

Read →~16 min
Advanced(7 · ~96 min total)

Assumes you've read a few charts. The analytical depth separates a beginner from a reader.

用神Advanced

Day Master Strength & The Useful God

How the engine scores day master strength and selects favorable elements. The pivot point of every reading, get it wrong and you reverse the whole chart. Includes a hand-computed worked example.

Read →~20 min
通根透干Advanced

Rooting & Penetration

How visible stems reach down into the branches and hidden stems push up to the surface. The structural mechanic that decides whether a ten god in your chart is real or just decorative.

Read →~12 min
调候Advanced

Climate (调候)

The override rule. The season you were born into shapes what your chart needs, sometimes more than the strength score does. Why a winter Yang Wood needs Fire even when it’s already strong.

Read →~10 min
长生十二宫Advanced

The 12 Stages of Life

Each stem cycles through twelve positions of strength, birth, peak, decline, tomb, extinction, conception. Not biographical. A structural strength curve mapped onto each branch.

Read →~12 min
格局Advanced

Chart Structures (格局)

All 19 structures the engine detects, 10 standard ten-god structures plus 9 special following and transformation structures. Detection rules, empirical reads, watch-outs.

Read →~18 min
纳音Advanced

Na Yin (60-Pillar Sound Elements)

The 60-pillar overlay framework. Gold in the Sea, Furnace Fire, Great Forest Wood, and 27 more. A poetic-archetype layer most English BaZi sites cover shallowly or not at all.

Read →~10 min
合婚Advanced

Compatibility Methodology

What the compatibility tool actually computes, and what it can’t. Five components, real engine math, two worked examples. Not a soulmate score.

Read →~14 min
Case studies(2 · ~30 min total)

Worked examples. Verified charts read against the biographical record.

案例Case studies

Case Studies

Five famous charts. Steve Jobs, Mao Zedong, Marie Curie, Napoleon, Oprah Winfrey, read by this site’s engine and checked against the biographical record. Where the chart lines up, and where it doesn’t.

Read →~22 min
名人盘Case studies

Famous Charts Database

Browse 50 verified famous-person charts. Filter by day master, profession, or era. Read by this site’s engine.

Read →~8 min
Honesty(2 · ~18 min total)

The limits of the model and the choices this engine made between disputed schools.

局限Honesty

What This Site Won’t Tell You

What BaZi (and this site) does not do, and why. The empirical-positioning page, written like a researcher describing the limits of their own instrument, not a disclaimer lawyer.

Read →~6 min
门派Honesty

Methodology. Disputed Conventions

Several BaZi rules are disputed across schools. This page documents which convention this engine commits to for each, why, and where other lineages differ. Built for practitioners.

Read →~12 min

A suggested order

  1. 1. What Is BaZi? (the overview)
  2. 2. The Five Elements (the substrate)
  3. 3. Stems & Branches (the alphabet)
  4. 4. The Ten Gods (the relationships)
  5. 5. Day Masters (your anchor identity)
  6. 6. Clashes & Combinations (the dynamics)
  7. 7. Symbolic Stars (the modifiers)
  8. 8. Luck Pillars (the timeline)
  9. 9. Reading a Chart (the workflow)
  10. 10. Case Studies (worked examples on real lives)

What this is not

BaZi is a tendency model, not a fortune-telling oracle. It does not predict fixed outcomes. It does not replace medical, legal, or financial advice. It is not a religion.

What it does well is highlight patterns, the kind of work you tend to thrive in, the relationships you find easy or friction-filled, the windows of time when certain decisions land better than others. Treat it as a structured second opinion on yourself.