Zi Wei Dou Shu, often called Purple Star Astrology, is a Chinese astrology system practiced for over a thousand years. From your birth date and exact time it builds a chart, placing 14 major stars and over a hundred stars across 12 palaces to map your character, talents, career, relationships, wealth and the rhythm of your life. The name: “Zi Wei” is the Pole Star, regarded in ancient China as the emperor’s star and the central star of the chart, while “Dou Shu” means reckoning fate by the stars — historically called the emperor’s study. How it works: from your birth moment the system casts 12 palaces (Self, Wealth, Career, Marriage, Property and more), each a domain of life, then places major stars such as Zi Wei, Tian Ji, Tai Yang and Wu Qu, along with supporting and challenging stars, into the palaces; the combination of stars and palaces is what makes your reading unique. How it differs from Western astrology and BaZi: Western sun-sign astrology uses only your birth month, whereas Zi Wei uses your birth time down to the two-hour period to build a full 12-palace star map, far more granular; BaZi (the Four Pillars) is a separate Chinese system based on heavenly stems and earthly branches, while Zi Wei centers on stars falling into palaces. What it can tell you: your character and talents, suitable career directions, patterns in love and relationships, your wealth outlook, and — through major cycles (ten-year phases) and annual fortune — when your luck strengthens and when to hold steady.