Ba Zi (Four Pillars)

Ba Zi, also known as the Four Pillars of Destiny, reads a birth chart through year, month, day, and hour pillars. This section organizes the knowledge base into a stable map for learning, lookup, and AI-ready reference.

Knowledge layers

• Foundations: Five Elements, Heavenly Stems, Earthly Branches, Na Yin, Void, and the Twelve Life Stages.
• Interpretation Systems: formal pattern systems and special structures used to read a chart's main formation.
• Glossary: recurring terms and supporting concepts that appear across readings.

Core concepts

• Five Elements: the elemental logic behind generation, control, balance, and transformation.
• Heavenly Stems: the ten visible forces used to describe expression and relation.
• Earthly Branches: the twelve hidden containers of season, roots, and movement.
• Ten Gods: the main relational system for reading roles, tendencies, and events.