Free Zi Wei Dou Shu Calculator

Purple Star astrology — your core stars, the twelve palaces of your life, your Four Transformations and your decade & year timing.

What is Zi Wei Dou Shu?

Zi Wei Dou Shu (紫微斗数), the "Purple Star" system, maps your life into twelve palaces, each lit by specific stars. Your soul lord describes your core nature and your body lord the self you grow into. Read the full explainer →

An accurate Zi Wei chart needs your birth time — add it for your twelve palaces, Four Transformations and timing. In the full Complete Synthesis, this timing is read year by year and woven together with your Western chart, BaZi, Qi Men directions and numerology.

For reflection and entertainment; not professional, medical, legal, or financial advice.