✦ AI · Fortune & Astrology

Chenggu Bone Weight Divination

Weigh your fate, verse by verse

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Yuan Tian-Gang's Tang Method

The classical 称骨歌 weights the year, month, day and hour of your birth — each with a traditional 两/钱 weight handed down from the Tang dynasty master Yuan Tian-Gang.

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See Every Weight Computed

No black box: your four pillars are computed in your browser and each one's bone weight is shown, adding up to your total right in front of you.

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51 Classical Verses

Your total maps to one of the 51 traditional 称骨歌 verses, which AI then translates into plain modern language with practical guidance.

How it works

1
Choose your gender — it personalizes the reading tone.
2
Enter your birth date and time (the hour matters for the 时柱 weight).
3
Watch your four bone weights compute in your browser, adding up to your total.
4
Read your classical verse with AI's plain-language interpretation and guidance.

Frequently asked questions

What is 称骨算命 (Bone Weight divination)?⌄

It is a traditional Chinese fortune method attributed to the Tang dynasty master Yuan Tian-Gang. Your birth year, month, day and hour each carry a classical weight measured in 两 and 钱; the four add up to a total that corresponds to one of 51 classical verses describing your temperament and fortune.

How accurate is the date calculation?⌄

The year pillar is exact (corrected by the 立春 solar term). The month and day follow the solar-term calendar — a close approximation of the lunar calendar (usually within a day). It is meant as an entertaining tradition, not a precise scientific calculation.

What does a heavier total mean?⌄

Traditionally, higher totals (5–7两) are considered more auspicious than lower ones (2–3两). But every verse includes a constructive message — a low weight simply suggests a life that rewards effort and self-reliance, which many people find just as valuable.

What is 称骨算命 (Bone Weight Divination)?

称骨算命 (Chenggu Suanming, "bone weight fortune") is a traditional Chinese divination method attributed to Yuan Tian-Gang, a master of the Tang dynasty (7th century). Its idea is striking in its simplicity: the moment of your birth itself carries a numerical "weight", and that weight tells your fortune.

The method converts your birth year, month, day and hour into four weights using fixed classical tables. The year uses the 60-year stem-branch cycle; the month, day and hour use traditional lunar month/day and the twelve two-hour 时辰. Each part is measured in 两 (liang) and 钱 (qian) — units from the old Chinese weight system. The four weights are added to give a total between about 2两1 and 7两2.

Each possible total corresponds to one of 51 classical verses (称骨歌). Lower weights traditionally suggest a life that requires hard work and self-reliance; middle weights suggest steady, earned prosperity; higher weights are considered naturally auspicious — wealth, honor, and the favor of others. The verses are four-line poems in classical Chinese, and the readings are usually supplemented with plain-language explanations of what each line means for temperament, career, wealth, marriage and health.

As with all traditional fortune methods, 称骨算命 is best treated as cultural heritage and entertainment: the verses are poetic, open-ended, and speak to universal human experiences rather than fixed fates.