Bone Weight Calculator (Yuan Tiangang)

Traditional system: Bone Weight (Yuan Tiangang Cheng Gu Suan Ming) is a traditional Chinese metaphysical method preserved as cultural heritage. It is not a scientifically validated prediction — read the verses as folklore and reflection.

Date of birth (Gregorian) * Converted to the Chinese lunar calendar automatically.

Birth time *

Birthplace time zone * Daylight saving time applied at birth

Gender * The traditional verses have separate male and female readings.

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