What does Solar Terms mean in Cross-System?

The 24 divisions of the solar year (jieqi 節氣), each spanning 15° of the Sun's longitude — about fifteen days from Spring Begins through Grain Rain, Major Heat, White Dew, and Winter Solstice. They are load-bearing across Chinese metaphysics: Ba Zi changes its month pillar at the twelve sectional terms, and Qi Men Dun Jia selects its chart structure from the term and its Three Yuan era.

Cross-System · Glossary

Solar Terms

The 24 divisions of the solar year (jieqi 節氣), each spanning 15° of the Sun's longitude — about fifteen days from Spring Begins through Grain Rain, Major Heat, White Dew, and Winter Solstice.

What this means

They are load-bearing across Chinese metaphysics: Ba Zi changes its month pillar at the twelve sectional terms, and Qi Men Dun Jia selects its chart structure from the term and its Three Yuan era.

In practice

In K A X A N T A, solar terms is one of the concepts The Architect cross-references when synthesising your reading. The cross-system engine surfaces it alongside seven other wisdom traditions so you can see how the same question reads through multiple lenses.

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