The short version
- Find your Day Master: the Heavenly Stem at the top of the Day Pillar. Everything else is read relative to it.
- Check the month branch: the season shows whether your Day Master's element is thriving or out of season.
- Count the Five Elements: look for what is abundant, what is thin, and what is missing from the visible characters.
- Label the Ten Gods: each stem takes a role, such as Resource or Wealth, based on its relationship to the Day Master.
- Look inside the branches: hidden stems show influences that the surface characters do not.
- Add time: ten-year Luck Pillars and annual pillars show which themes are active in a given period.
What the four pillars represent
A BaZi chart has four columns: year, month, day, and hour. Each has a Heavenly Stem on top and an Earthly Branch below, which makes eight characters. Bā zì literally means “eight characters.”
| Pillar | Traditional association | Depends on |
|---|---|---|
| Year | Family background, early environment, social context | Solar year, which begins at Lichun, around February 4 |
| Month | Upbringing, work environment, seasonal strength | The solar term, not the calendar month |
| Day | The self (stem) and close partnerships (branch) | The 60-day cycle |
| Hour | Inner direction, later life, children | The two-hour period of birth |
Many readers use these associations as a starting framework. Schools differ on the details.
Start with the Day Master
The Day Master is the reference point of the whole chart. There are ten: Yang and Yin versions of Wood, Fire, Earth, Metal, and Water. See all ten Day Masters.
Your zodiac animal comes from the year branch and is shared with everyone born that year. Your Day Master changes every day and says far more about the individual chart.
Read the season next
The month branch carries the most seasonal weight in the chart. A Wood Day Master born in spring is in season. The same Day Master born in late autumn, when Metal is strong, usually needs more support.
This is the first test of whether a Day Master is “strong” or “weak.” Strength describes how much support the element has. It is not a verdict on the person.
Map the Five Elements
Next, see how the five elements are spread across the chart. Wood feeds Fire, Fire makes Earth, Earth bears Metal, Metal carries Water, and Water nourishes Wood. The control cycle runs Wood → Earth → Water → Fire → Metal → Wood. The Five Elements guide covers both cycles.
A simple count is useful but incomplete. Season and hidden stems both change how strong an element really is.
Name the Ten Gods
The Ten Gods turn elements into relationships. Comparing each stem with your Day Master gives one of five relationship types, and matching or opposite polarity splits each type in two. The Ten Gods guide explains each one.
Worked example
Someone born at noon on January 1, 2000, in Beijing has the pillars 己卯 丙子 戊午 戊午 after true solar time correction: year Ji Mao, month Bing Zi, day Wu Wu, hour Wu Wu.
The Day Master is 戊 Wu, Yang Earth. The month branch 子 is Water in midwinter, so Earth is out of season, although the Fire in 丙 and 午 gives it warmth and support. A reader would begin with that tension: solid Earth in a cold season, supported by Fire, with Water as the seasonal force.
You can reproduce this example with the free BaZi calculator.
Common beginner mistakes
- Using the calendar month instead of the solar term for the Month Pillar.
- Using the zodiac year from January 1 instead of Lichun.
- Ignoring birth location and true solar time near an hour boundary.
- Judging a chart “good” or “bad” from a missing element.
- Reading one pillar in isolation instead of its relationship to the Day Master.