chinese-days
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中国节假日、调休日、工作日、24节气查询，农历阳历互转，支持 TS、CommonJS、UMD 模块化使用，提供 ics 日历格式，可供 Google Calendar、Apple Calendar、Microsoft Outlook 等客户端订阅。
127 lines (122 loc) • 3.87 kB
text/typescript
// Define the type for all solar terms
export type SolarTermKey =
| "the_beginning_of_spring"
| "rain_water"
| "the_waking_of_insects"
| "the_spring_equinox"
| "pure_brightness"
| "grain_rain"
| "the_beginning_of_summer"
| "lesser_fullness_of_grain"
| "grain_in_beard"
| "the_summer_solstice"
| "lesser_heat"
| "greater_heat"
| "the_beginning_of_autumn"
| "the_end_of_heat"
| "white_dew"
| "the_autumn_equinox"
| "code_dew"
| "frost_descent"
| "the_beginning_of_winter"
| "lesser_snow"
| "greater_snow"
| "the_winter_solstice"
| "lesser_cold"
| "greater_cold";
/**
* 计算节气用的 C 值
* 2000年的小寒、大寒、立春、雨水按照20世纪的C值来算
* 节气: [20世纪值， 21世纪值]
* */
export const SOLAR_TERMS_C_NUMS = {
the_beginning_of_spring: [4.6295, 3.87],
rain_water: [19.4599, 18.73],
the_waking_of_insects: [6.3926, 5.63],
the_spring_equinox: [21.4155, 20.646],
pure_brightness: [5.59, 4.81],
grain_rain: [20.888, 20.1],
the_beginning_of_summer: [6.318, 5.52],
lesser_fullness_of_grain: [21.86, 21.04],
grain_in_beard: [6.5, 5.678],
the_summer_solstice: [22.2, 21.37],
lesser_heat: [7.928, 7.108],
greater_heat: [23.65, 22.83],
the_beginning_of_autumn: [28.35, 7.5],
the_end_of_heat: [23.95, 23.13],
white_dew: [8.44, 7.646],
the_autumn_equinox: [23.822, 23.042],
code_dew: [9.098, 8.318],
frost_descent: [24.218, 23.438],
the_beginning_of_winter: [8.218, 7.438],
lesser_snow: [23.08, 22.36],
greater_snow: [7.9, 7.18],
the_winter_solstice: [22.6, 21.94],
lesser_cold: [6.11, 5.4055],
greater_cold: [20.84, 20.12],
};
/** 月份和节气对应关系 */
export const SOLAR_TERMS_MONTH: { [key: number]: SolarTermKey[] } = {
1: ["lesser_cold", "greater_cold"],
2: ["the_beginning_of_spring", "rain_water"],
3: ["the_waking_of_insects", "the_spring_equinox"],
4: ["pure_brightness", "grain_rain"],
5: ["the_beginning_of_summer", "lesser_fullness_of_grain"],
6: ["grain_in_beard", "the_summer_solstice"],
7: ["lesser_heat", "greater_heat"],
8: ["the_beginning_of_autumn", "the_end_of_heat"],
9: ["white_dew", "the_autumn_equinox"],
10: ["code_dew", "frost_descent"],
11: ["the_beginning_of_winter", "lesser_snow"],
12: ["greater_snow", "the_winter_solstice"],
};
export const SOLAR_TERMS_DELTA = {
"2026_rain_water": -1,
"2084_the_spring_equinox": 1,
"1911_the_beginning_of_summer": 1,
"2008_lesser_fullness_of_grain": 1,
"1902_grain_in_beard": 1,
"1928_the_summer_solstice": 1,
"1925_lesser_heat": 1,
"2016_lesser_heat": 1,
"1922_greater_heat": 1,
"2002_the_beginning_of_autumn": 1,
"1927_white_dew": 1,
"1942_the_autumn_equinox": 1,
"2089_frost_descent": 1,
"2089_the_beginning_of_winter": 1,
"1978_lesser_snow": 1,
"1954_greater_snow": 1,
"1918_the_winter_solstice": -1,
"2021_the_winter_solstice": -1,
"1982_lesser_cold": 1,
"2019_lesser_cold": -1,
"2000_greater_cold": 1,
"2082_greater_cold": 1,
};
export const SOLAR_TERMS = {
lesser_cold: "小寒",
greater_cold: "大寒",
the_beginning_of_spring: "立春",
rain_water: "雨水",
the_waking_of_insects: "惊蛰",
the_spring_equinox: "春分",
pure_brightness: "清明",
grain_rain: "谷雨",
the_beginning_of_summer: "立夏",
lesser_fullness_of_grain: "小满",
grain_in_beard: "芒种",
the_summer_solstice: "夏至",
lesser_heat: "小暑",
greater_heat: "大暑",
the_beginning_of_autumn: "立秋",
the_end_of_heat: "处暑",
white_dew: "白露",
the_autumn_equinox: "秋分",
code_dew: "寒露",
frost_descent: "霜降",
the_beginning_of_winter: "立冬",
lesser_snow: "小雪",
greater_snow: "大雪",
the_winter_solstice: "冬至",
};