BaZi Four Pillars of Destiny: Your Complete Guide
Calculate your BaZi chart and explore this aspect in your own map
Guide to BaZi in BaZi - Four Pillars of Destiny
BaZi - also written Ba Zi or ba zi - is a classical Chinese divination system that maps the moment of your birth onto a grid of four columns, each ruled by a Heavenly Stem and an Earthly Branch. Together these eight characters give the system its other name: Four Pillars of Destiny, or Sizi Bazi. The method is at least twelve hundred years old, tracing back to Tang dynasty scholar Li Xuzhong and refined through the Song and Ming dynasties into the form used today. It is not astrology in the Western sense. It is a precision map of time.
The four pillars of destiny encode the quality of time at four scales - year, month, day, and hour. Every pillar carries a Stem (one of ten) and a Branch (one of twelve), and inside each Branch hides one to three additional Stems called hidden stems. From these eight or more characters a practitioner reads the balance of Wu Xing - the five elements Wood, Fire, Earth, Metal, Water - and the set of Ten Gods that describe how each element relates to the central pillar, your Day Master.
A bazi calculator converts your Gregorian birth date and birth time into the correct Stems and Branches using a lunar-solar calendar. Birth time matters: the hour pillar changes every two hours, and an error of even ninety minutes can shift the Day Master or alter the element balance enough to change the reading significantly. If you do not know your exact birth time, treat the hour pillar as approximate and focus on the year, month, and day pillars first.
Reading a BaZi chart begins with identifying your Day Master - the Stem of the day pillar - and assessing whether it is strong or weak in its chart environment. From that baseline you name the useful element (yong shen) that supports balance, identify favorable and unfavorable luck cycles, and read the Ten Gods in each pillar for themes of career, relationships, wealth, and health.
Use the links below each section of this guide to go deeper. Start with your Day Master - everything else in the chart is read in relation to it.