Purple Star Astrology

Twelve palaces, and the stars that live in them

Zi Wei Dou Shu (Tử Vi in Vietnamese) places over a hundred stars into twelve palaces of life from your lunar birth date and hour. We calculate the chart in code and check it against two independent implementations.

Your birth details

Nickname (optional)

Only shown to you. Leave blank if you like.

Date of birth

Time of birth

Zi Wei needs the birth hour.

Place of birth

We use the city’s time zone and longitude to work out your true solar time.

Gender

FemaleMalePrefer not to say

Traditionally used only to set the direction of the Luck Pillars.

We store only what's needed to show your chart.