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Zi Wei Dou Shu (Purple Star Astrology) · Free chart

Free Zi Wei Dou Shu chart

Your Zi Wei Dou Shu chart is laid out from your lunar birth date and double hour: counting from 寅 by the lunar month and back by the hour gives the Life Palace, its stem and branch give the chart's element bureau, and the lunar day with the bureau's number places Zi Wei, from which the other major stars follow at fixed steps.

Enter your birth date and time, and if you like the place and the chart's gender, to see your Zi Wei Dou Shu board: the twelve palaces from the Life Palace, the fourteen major stars with their brightness, the four transformations of your birth year, and the ten-year decade each palace holds.

Your birth details

The local time where you were born, as on a long-form birth certificate. The chart is drawn for that minute.

Choose the town or city from the list; we use its position and time zone. The list needs JavaScript turned on in your browser.
The chart's gender (optional) It sets only the direction of the ten-year decades. Without it, the chart gives both directions.

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About Zi Wei Dou Shu

Your Zi Wei Dou Shu chart is read from the Life Palace outward: born on 19 January 1989 at 19:17 in Ann Arbor, the twelfth day of the twelfth lunar month, the sample person has the Life Palace in 卯 and Zi Wei in 未, and each palace shows its major stars, the birth year's transformations and the decade it holds.

The method rests on the 紫微斗數全書, a Ming manual attributed to Chen Tuan and attested from 1581; every rule in it is arithmetic on calendar numbers.

How we compute it

The placement rules of the 紫微斗數全書, a Ming manual attributed to Chen Tuan: the lunar new year as the boundary, a leap month split at its 15th day, 23:00 counted as the next day, and clock time with daylight saving removed when the place is known. The decades run by the birth year and the chart's gender; without one, both directions are given.

An example

The twelve palaces, from the Life Palace

  1. 命宮 Life

    武曲 利 七殺 旺

    卯 · 2–11

  2. 兄弟宮 Siblings

    天同 利 天梁 廟

    寅 · 112–121

  3. 夫妻宮 Spouse

    天相 廟

    丑 · 102–111

  4. 子女宮 Children

    巨門 旺

    子 · 92–101

  5. 財帛宮 Possessions, Body 身

    廉貞 陷 貪狼 陷 祿 右弼 科

    亥 · 82–91

  6. 疾厄宮 Health

    太陰 旺 權

    戌 · 72–81

  7. 遷移宮 Travel

    天府 旺

    酉 · 62–71

  8. 交友宮 Friends

    申 · 52–61

  9. 官祿宮 Career

    紫微 廟 破軍 旺

    未 · 42–51

  10. 田宅宮 Property

    天機 廟 忌

    午 · 32–41

  11. 福德宮 Wellbeing

    巳 · 22–31

  12. 父母宮 Parents

    太陽 旺

    辰 · 12–21

  13. 戊辰 year, month 12, day 12; 戌時 19:00-21:00

    Life Palace 乙卯; bureau 水二局, Water 2

    Body Palace in 亥; Zi Wei in 未

    Life Master 文曲, Body Master 文昌

The 戊 year's transformations: 貪狼化祿、太陰化權、右弼化科、天機化忌, the last character shown beside the star. Brightness: 廟 brilliant, 旺 strong, 得 gaining, 利 beneficial, 平 neutral, 不 weak, 陷 fallen. Ages are decades in nominal years, running forward.

The tradition's reading of this period, not a prediction of events, and not advice on health, money, legal matters or relationships.

The twelve palaces of a fictional person born on 19 January 1989 at 19:17 in Ann Arbor, Michigan, with a male chart. By the lunar calendar the birth falls on the twelfth day of the twelfth month of the 戊辰 year, in the 戌 double hour: the Life Palace (outlined) is 卯, the bureau Water 2, and Zi Wei stands in 未. Each palace shows its major stars with their brightness, the transformations of the 戊 year, and the ten-year decade it holds, in nominal years.

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Chinese quotations are from public-domain texts as transcribed on Chinese Wikisource (CC BY-SA 4.0); the translations and readings are EsoTerrier's own.