Convert lunar date to Gregorian date
The inverse of gregorianToLunar. Converts a lunar date value to its corresponding Gregorian calendar date.
Calendar configuration
Lunar date value
Optionalgyear: numberOptional Gregorian year hint (optimizes computation)
Gregorian date object
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.