Life Blueprint (稱骨算命)

Ancient Chinese Bone-Weight Destiny Calculation

Overview

Life Blueprint (稱骨算命, literally 'weighing the bones to calculate destiny') is a classical Chinese life-reading system attributed to the Tang Dynasty poet and astrologer Yuan Tiangang (袁天罡). Each of the four birth pillars — year, month, day, and hour — is assigned a bone-weight value in the traditional liang-qian system. The total weight maps to one of dozens of destiny tiers, each accompanied by a classical poem and detailed guidance on wealth, career, marriage, and longevity.

Origin & history

The system is attributed to Yuan Tiangang (袁天罡), a celebrated Tang Dynasty (618–907 CE) astrologer and physiognomist who served at the imperial court of Emperor Taizong. Yuan is also credited with predicting the rise of Empress Wu Zetian. The bone-weight tables he compiled became one of the most widely consulted destiny-reading tools in Chinese folk culture.

Bone-weight calculation spread from the Tang imperial court into popular culture during the Song Dynasty, when woodblock printing made almanacs and destiny manuals widely available. By the Ming and Qing dynasties, 稱骨算命 tables were standard inclusions in household almanacs across China. The system survived the 20th century's upheavals and remains popular in Taiwan, Hong Kong, and Southeast Asian Chinese communities.

How it works

The birth year, month, day, and hour are each assigned a weight value in liang (兩) and qian (錢) according to fixed tables derived from the traditional Chinese calendar. The four weights are summed to produce a total bone weight. This total is looked up in Yuan Tiangang's destiny table, which assigns a life tier (e.g. 中上之命, Middle-Upper Destiny), a classical poem, and detailed guidance on wealth pattern, marriage timing, health, and lifespan.

Good for

Use cases

Life Tier Assessment

Receive a complete bone-weight calculation with destiny tier, classical poem, and LLM-generated interpretation covering wealth, career, relationships, and health.

Marriage Timing

The bone-weight system provides specific age ranges for optimal marriage timing based on the individual's destiny configuration.

Key terms

Bone Weight (骨重)
The total destiny weight derived by summing the liang-qian values assigned to the year, month, day, and hour of birth.
Destiny Tier (命格)
The life quality classification assigned to a bone-weight total, ranging from lowest (下下之命) to highest (上上之命).
Classical Poem (命詩)
A four-line classical Chinese poem associated with each destiny tier, encoding guidance on wealth, relationships, career, and longevity in metaphorical language.

API

The askTIAN Life Blueprint API computes bone-weight values for all four birth pillars, returns the destiny tier, classical poem, lifespan estimate, wealth pattern, and marriage timing, plus a comprehensive LLM-generated interpretation in English.

Endpoint: POST /api/trpc/life.boneWeight — 5 TIAN Points. See the API documentation and Playground.