Word origin · etymology
Native names and their English translation.
Bāzì, 八字, means eight characters; Four Pillars renders 四柱, also read Saju in Korean. The labels count characters or paired pillars in the chart.
How we know · epistemology
System-specific sources and conventions
This entry covers BaZi / Four Pillars / Saju. Its cited texts document the methods or teachings being compared; any computed result depends on the stated inputs and rules. Historical attestation and reproducible arithmetic do not by themselves test a personal interpretation.
Heavenly Stems and Earthly Branches — Hong Kong Observatory ↗The 24 Solar Terms — Hong Kong Observatory ↗Facts about Korea — Korean Culture and Information Service ↗
Connected concepts
Terms used in this explanation
These links connect subjects and terminology. They do not establish a shared historical origin.
Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.