Ba Zi (八字 bāzì, “eight characters”) is the Chinese system that maps your birth moment — year, month, day and hour — into a working chart of strengths, cycles and timing. Each pillar carries a heavenly stem and an earthly branch; read together, they describe how you are built and when to move.
No mysticism required: a chart is a map, not a verdict. Here is the reading order we teach.
What Ba Zi is, in brief
Ba Zi is also called the Four Pillars of Destiny, 四柱命理 (sì zhù mìng lǐ). Your birth moment is converted, using the Chinese solar calendar, into four pillars: one each for the year, month, day and hour. Every pillar is written with two characters, a heavenly stem on top and an earthly branch below, which is where the eight characters of the name come from.
| Pillar | Changes with | Traditionally read for |
|---|---|---|
| Year 年柱 | The year, turning at Li Chun (立春), around 4 February | Family background, early life, the wider circle |
| Month 月柱 | The solar month, turning at each of the twelve seasonal terms | Parents and siblings, the working environment, and the season you were born into, which weighs most in the chart’s balance |
| Day 日柱 | Each day | The stem is you, the Day Master; the branch is the spouse palace |
| Hour 时柱 | Each two-hour period | Children, later life, and plans that come to fruition |
Because the pillars follow the solar calendar, the Ba Zi year does not start on 1 January or at Chinese New Year. It starts at Li Chun, and the months turn at the solar terms. Getting those boundaries exact is the first job of any calculator.
How Ba Zi differs from the Chinese zodiac
Your zodiac animal is one of the eight characters: the branch of your year pillar. Everyone born in the same year shares it, so on its own it says very little about any one person. Ba Zi reads all eight characters together, with the Day Master at the centre and the month setting the season, so two people born in the same year, or even on the same day, can have quite different charts. Our page on Ba Zi vs the Chinese zodiac goes into the difference.
What a chart can and cannot tell you
A chart describes tendencies: how your elements are balanced, what supports you, what strains you, and how the ten-year luck pillars and each passing year meet that pattern. That makes it most useful for timing and self-understanding. It does not fix events in advance, and anyone who reads it as a verdict, or uses it to sell fear, is misusing it. Read that way, it is a practical tool, and the sections below are the order in which we suggest learning it.
Start here
- How to read your Ba Zi chart, step by step — the whole method in five moves
- The free calculator — plot your eight characters from exact solar-term boundaries
The four pillars 四柱
The architecture: what each pillar governs, and the 22-character alphabet they are written in.
- Heavenly stems and earthly branches
- The five elements: a cycle, not a scoreboard
- What your birth hour actually changes
- Browse the full Four Pillars archive
Your Day Master 日主
The character that anchors the chart — you, in the system’s own terms.
- Day Masters, explained
- The ten Day Masters at a glance
- Strong vs weak: what it actually means
- All ten profiles — from Jiǎ Wood to Guǐ Water
- Browse the full Day Masters archive
Timing 大运
The part people come for: decades, years, and when to move.
- Luck pillars: why Ba Zi reads life in decades
- 2026, the Bǐng Wǔ Fire Horse year
- 2027, the Dīng Wèi Fire Goat year, and its Ba Zi calendar
- Browse the full Luck Cycles archive
The same four pillars are read in Korea under the name saju (사주). And because every pillar is a date, it helps to know how the Chinese calendar and its 24 solar terms fit together.
Reading a chart by life area: career, marriage and health. Comparisons people ask about: Ba Zi vs the Chinese zodiac, Chinese vs Western astrology, the best free Ba Zi calculators and Chinese metaphysics apps.
When you want it read for you
A reading is one hour on your chart: the shape of it, the current luck pillar, and the twelve months ahead — with a written summary you keep.