Bone Weight Fortune (Cheng Gu)

In-depth guide · Original research · Practical tools

✦ FateMake Editorial Updated 2026-09-29 BaZi · For reference only

Bone weight fortune (cheng gu suan ming) assigns fixed weights to birth year, month, day, and hour pillars, sums them, and matches a traditional poem for a quick life overview.

How to calculate

  1. Get your Four Pillars via the BaZi chart tool
  2. Look up each pillar weight in the bone tables
  3. Sum the weights and find the matching poem