Low-level pure functions for calendar conversion. Most users should prefer the ChineseDate value object API. These functions are useful when you need fine-grained control or want to build custom logic on top of the core algorithms.
Get JDE of a major solar term (中气, Z1-Z12)
Major solar terms occur when the sun's longitude is a multiple of 30°. Z1=雨水, Z2=春分, Z3=谷雨, ..., Z12=大寒.
Calendar configuration
Major term number (1-12)
Gregorian year
JDE of the major solar term
Low-level pure functions for calendar conversion. Most users should prefer the ChineseDate value object API. These functions are useful when you need fine-grained control or want to build custom logic on top of the core algorithms.