chinese-days/docs/en/guide/to-lunar.md

Gregorian to Lunar Calendar Conversion

::: info Tip The lunar calendar, also known as the Chinese calendar, is referred to as the "Lunar Calendar" in this project. :::

::: info Special Notes

1. 2057-09-28 corresponds to the Lunar Calendar date: Ding Chou (Ox) Year, Eighth Month, Thirtieth Day;
2. 2097-08-07 corresponds to the Lunar Calendar date: Ding Si (Snake) Year, Seventh Month, First Day. :::

Convert Gregorian Date to Lunar Date

// 2097-8-7
console.log(getLunarDate('2097-08-07'));

// 2057-9-28
console.log(getLunarDate('2057-09-28'));
// {
//   date: "2057-09-28",
//   lunarYear: 2057,
//   lunarMon: 8,
//   lunarDay: 30,
//   isLeap: false,
//   lunarDayCN: "三十",
//   lunarMonCN: "八月",
//   lunarYearCN: "二零五七",
//   yearCyl: "丁丑",
//   monCyl: "己酉",
//   dayCyl: "戊子",
//   zodiac: "牛"
// }

// Examples of non-leap and leap months
console.log(getLunarDate('2001-04-27'));
console.log(getLunarDate('2001-05-27'));

Batch Retrieve Lunar Dates for a Range of Gregorian Dates

console.log(getLunarDatesInRange('2001-05-21', '2001-05-26'));