calendar.js

/**
 * @1900-2100区间内的公历、农历互转
 * @charset UTF-8
 * @Author  Jea杨(JJonline@JJonline.Cn)
 * @Time    2014-7-21
 * @Time    2016-8-13 Fixed 2033hex、Attribution Annals
 * @Time    2016-9-25 Fixed lunar LeapMonth Param Bug
 * @Time    2017-7-24 Fixed use getTerm Func Param Error.use solar year,NOT lunar year
 * @Version 1.0.3
 * @公历转农历：calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
 * @农历转公历：calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
 */
 const calendar = {

  /**
   * 农历1900-2100的润大小信息表
   * @Array Of Property
   * @return Hex
   */
  lunarInfo: [0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2,//1900-1909
      0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977,//1910-1919
      0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970,//1920-1929
      0x06566, 0x0d4a0, 0x0ea50, 0x16a95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950,//1930-1939
      0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557,//1940-1949
      0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0, 0x0a9a8, 0x0e950, 0x06aa0,//1950-1959
      0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0,//1960-1969
      0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b6a0, 0x195a6,//1970-1979
      0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570,//1980-1989
      0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x05ac0, 0x0ab60, 0x096d5, 0x092e0,//1990-1999
      0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5,//2000-2009
      0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930,//2010-2019
      0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,//2020-2029
      0x05aa0, 0x076a3, 0x096d0, 0x04afb, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45,//2030-2039
      0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0,//2040-2049
      /**Add By JJonline@JJonline.Cn**/
      0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50, 0x06b20, 0x1a6c4, 0x0aae0,//2050-2059
      0x092e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55, 0x056a0, 0x0a6d0, 0x055d4,//2060-2069
      0x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0, 0x0aba4, 0x0a5b0, 0x052b0,//2070-2079
      0x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60, 0x0a570, 0x054e4, 0x0d160,//2080-2089
      0x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4, 0x0a2d0, 0x0d150, 0x0f252,//2090-2099
      0x0d520],//2100

  /**
   * 公历每个月份的天数普通表
   * @Array Of Property
   * @return Number
   */
  solarMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],

  /**
   * 天干地支之天干速查表
   * @Array Of Property trans["甲","乙","丙","丁","戊","己","庚","辛","壬","癸"]
   * @return Cn string
   */
  Gan: ["\u7532", "\u4e59", "\u4e19", "\u4e01", "\u620a", "\u5df1", "\u5e9a", "\u8f9b", "\u58ec", "\u7678"],

  /**
   * 天干地支之地支速查表
   * @Array Of Property
   * @trans["子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"]
   * @return Cn string
   */
  Zhi: ["\u5b50", "\u4e11", "\u5bc5", "\u536f", "\u8fb0", "\u5df3", "\u5348", "\u672a", "\u7533", "\u9149", "\u620c", "\u4ea5"],

  /**
   * 天干地支之地支速查表<=>生肖
   * @Array Of Property
   * @trans["鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"]
   * @return Cn string
   */
  Animals: ["\u9f20", "\u725b", "\u864e", "\u5154", "\u9f99", "\u86c7", "\u9a6c", "\u7f8a", "\u7334", "\u9e21", "\u72d7", "\u732a"],

  /**
   * 阳历节日
   */
  festival: {
      '1-1': {title: '元旦节'},
      '2-14': {title: '情人节'},
      '5-1': {title: '劳动节'},
      '5-4': {title: '青年节'},
      '6-1': {title: '儿童节'},
      '9-10': {title: '教师节'},
      '10-1': {title: '国庆节'},
      '12-25': {title: '圣诞节'},

      '3-8': {title: '妇女节'},
      '3-12': {title: '植树节'},
      '4-1': {title: '愚人节'},
      '5-12': {title: '护士节'},
      '7-1': {title: '建党节'},
      '8-1': {title: '建军节'},
      '12-24': {title: '平安夜'},
  },

  /**
   * 农历节日
   */
  lFestival: {
      '12-30': {title: '除夕'},
      '1-1': {title: '春节'},
      '1-15': {title: '元宵节'},
      '2-2': {title: '龙抬头'},
      '5-5': {title: '端午节'},
      '7-7': {title: '七夕节'},
      '7-15': {title: '中元节'},
      '8-15': {title: '中秋节'},
      '9-9': {title: '重阳节'},
      '10-1': {title: '寒衣节'},
      '10-15': {title: '下元节'},
      '12-8': {title: '腊八节'},
      '12-23': {title: '北方小年'},
      '12-24': {title: '南方小年'},
  },

  /**
   * 返回默认定义的阳历节日
   */
  getFestival() {
      return this.festival
  },

  /**
   * 返回默认定义的内容里节日
   */
  getLunarFestival() {
      return this.lFestival
  },

  /**
   *
   * @param param {Object} 按照festival的格式输入数据，设置阳历节日
   */
  setFestival(param = {}) {
      this.festival = param
  },

  /**
   *
   * @param param {Object} 按照lFestival的格式输入数据，设置农历节日
   */
  setLunarFestival(param = {}) {
      this.lFestival = param
  },

  /**
   * 24节气速查表
   * @Array Of Property
   * @trans["小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至"]
   * @return Cn string
   */
  solarTerm: ["\u5c0f\u5bd2", "\u5927\u5bd2", "\u7acb\u6625", "\u96e8\u6c34", "\u60ca\u86f0", "\u6625\u5206", "\u6e05\u660e", "\u8c37\u96e8", "\u7acb\u590f", "\u5c0f\u6ee1", "\u8292\u79cd", "\u590f\u81f3", "\u5c0f\u6691", "\u5927\u6691", "\u7acb\u79cb", "\u5904\u6691", "\u767d\u9732", "\u79cb\u5206", "\u5bd2\u9732", "\u971c\u964d", "\u7acb\u51ac", "\u5c0f\u96ea", "\u5927\u96ea", "\u51ac\u81f3"],

  /**
   * 1900-2100各年的24节气日期速查表
   * @Array Of Property
   * @return 0x string For splice
   */
  sTermInfo: ['9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f',
      '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
      '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa',
      '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f',
      'b027097bd097c36b0b6fc9274c91aa', '9778397bd19801ec9210c965cc920e', '97b6b97bd19801ec95f8c965cc920f',
      '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd197c36c9210c9274c91aa',
      '97b6b97bd19801ec95f8c965cc920e', '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2',
      '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec95f8c965cc920e', '97bcf97c3598082c95f8e1cfcc920f',
      '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e',
      '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722',
      '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f',
      '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
      '97bcf97c359801ec95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd097bd07f595b0b6fc920fb0722',
      '9778397bd097c36b0b6fc9210c8dc2', '9778397bd19801ec9210c9274c920e', '97b6b97bd19801ec95f8c965cc920f',
      '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
      '97b6b97bd19801ec95f8c965cc920f', '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
      '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bd07f1487f595b0b0bc920fb0722',
      '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
      '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
      '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f531b0b0bb0b6fb0722',
      '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
      '97bcf7f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b97bd19801ec9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
      '9778397bd097c36b0b6fc9210c91aa', '97b6b97bd197c36c9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722',
      '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
      '97b6b7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
      '9778397bd097c36b0b70c9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
      '7f0e397bd097c35b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
      '7f0e27f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
      '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
      '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
      '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
      '97b6b7f0e47f531b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
      '9778397bd097c36b0b6fc9210c91aa', '97b6b7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
      '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '977837f0e37f149b0723b0787b0721',
      '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c35b0b6fc9210c8dc2',
      '977837f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
      '7f0e397bd097c35b0b6fc9210c8dc2', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
      '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '977837f0e37f14998082b0787b06bd',
      '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
      '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
      '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
      '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd',
      '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
      '977837f0e37f14998082b0723b06bd', '7f07e7f0e37f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
      '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b0721',
      '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f595b0b0bb0b6fb0722', '7f0e37f0e37f14898082b0723b02d5',
      '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f531b0b0bb0b6fb0722',
      '7f0e37f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
      '7f0e37f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
      '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35',
      '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
      '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f149b0723b0787b0721',
      '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0723b06bd',
      '7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722', '7f0e37f0e366aa89801eb072297c35',
      '7ec967f0e37f14998082b0723b06bd', '7f07e7f0e37f14998083b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
      '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14898082b0723b02d5', '7f07e7f0e37f14998082b0787b0721',
      '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66aa89801e9808297c35', '665f67f0e37f14898082b0723b02d5',
      '7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66a449801e9808297c35',
      '665f67f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
      '7f0e36665b66a449801e9808297c35', '665f67f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
      '7f07e7f0e47f531b0723b0b6fb0721', '7f0e26665b66a449801e9808297c35', '665f67f0e37f1489801eb072297c35',
      '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722'],

  /**
   * 数字转中文速查表
   * @Array Of Property
   * @trans ['日','一','二','三','四','五','六','七','八','九','十']
   * @return Cn string
   */
  nStr1: ["\u65e5", "\u4e00", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341"],

  /**
   * 日期转农历称呼速查表
   * @Array Of Property
   * @trans ['初','十','廿','卅']
   * @return Cn string
   */
  nStr2: ["\u521d", "\u5341", "\u5eff", "\u5345"],

  /**
   * 月份转农历称呼速查表
   * @Array Of Property
   * @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','腊']
   * @return Cn string
   */
  nStr3: ["\u6b63", "\u4e8c", "\u4e09", "\u56db", "\u4e94", "\u516d", "\u4e03", "\u516b", "\u4e5d", "\u5341", "\u51ac", "\u814a"],

  /**
   * 返回农历y年一整年的总天数
   * @param y lunar Year
   * @return Number
   * @eg:var count = calendar.lYearDays(1987) ;//count=387
   */
  lYearDays: function (y) {
      let i, sum = 348;
      for (i = 0x8000; i > 0x8; i >>= 1) {
          sum += (this.lunarInfo[y - 1900] & i) ? 1 : 0;
      }
      return (sum + this.leapDays(y));
  },

  /**
   * 返回农历y年闰月是哪个月；若y年没有闰月 则返回0
   * @param y lunar Year
   * @return Number (0-12)
   * @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6
   */
  leapMonth: function (y) { //闰字编码 \u95f0
      return (this.lunarInfo[y - 1900] & 0xf);
  },

  /**
   * 返回农历y年闰月的天数 若该年没有闰月则返回0
   * @param y lunar Year
   * @return Number (0、29、30)
   * @eg:var leapMonthDay = calendar.leapDays(1987) ;//leapMonthDay=29
   */
  leapDays: function (y) {
      if (this.leapMonth(y)) {
          return ((this.lunarInfo[y - 1900] & 0x10000) ? 30 : 29);
      }
      return (0);
  },

  /**
   * 返回农历y年m月（非闰月）的总天数，计算m为闰月时的天数请使用leapDays方法
   * @param y lunar Year
   * @param m lunar Month
   * @return Number (-1、29、30)
   * @eg:var MonthDay = calendar.monthDays(1987,9) ;//MonthDay=29
   */
  monthDays: function (y, m) {
      if (m > 12 || m < 1) {
          return -1
      }//月份参数从1至12，参数错误返回-1
      return ((this.lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29);
  },

  /**
   * 返回公历(!)y年m月的天数
   * @param y solar Year
   * @param m solar Month
   * @return Number (-1、28、29、30、31)
   * @eg:var solarMonthDay = calendar.leapDays(1987) ;//solarMonthDay=30
   */
  solarDays: function (y, m) {
      if (m > 12 || m < 1) {
          return -1
      } //若参数错误 返回-1
      const ms = m - 1;
      if (ms === 1) { //2月份的闰平规律测算后确认返回28或29
          return (((y % 4 === 0) && (y % 100 !== 0) || (y % 400 === 0)) ? 29 : 28);
      } else {
          return (this.solarMonth[ms]);
      }
  },

  /**
   * 农历年份转换为干支纪年
   * @param  lYear 农历年的年份数
   * @return Cn string
   */
  toGanZhiYear: function (lYear) {
      var ganKey = (lYear - 3) % 10;
      var zhiKey = (lYear - 3) % 12;
      if (ganKey === 0) ganKey = 10;//如果余数为0则为最后一个天干
      if (zhiKey === 0) zhiKey = 12;//如果余数为0则为最后一个地支
      return this.Gan[ganKey - 1] + this.Zhi[zhiKey - 1];

  },

  /**
   * 公历月、日判断所属星座
   * @param  cMonth [description]
   * @param  cDay [description]
   * @return Cn string
   */
  toAstro: function (cMonth, cDay) {
      const s = "\u9b54\u7faf\u6c34\u74f6\u53cc\u9c7c\u767d\u7f8a\u91d1\u725b\u53cc\u5b50\u5de8\u87f9\u72ee\u5b50\u5904\u5973\u5929\u79e4\u5929\u874e\u5c04\u624b\u9b54\u7faf";
      const arr = [20, 19, 21, 21, 21, 22, 23, 23, 23, 23, 22, 22];
      return s.substr(cMonth * 2 - (cDay < arr[cMonth - 1] ? 2 : 0), 2) + "\u5ea7";//座
  },

  /**
   * 传入offset偏移量返回干支
   * @param offset 相对甲子的偏移量
   * @return Cn string
   */
  toGanZhi: function (offset) {
      return this.Gan[offset % 10] + this.Zhi[offset % 12];
  },

  /**
   * 传入公历(!)y年获得该年第n个节气的公历日期
   * @param y y公历年(1900-2100)
   * @param n n二十四节气中的第几个节气(1~24)；从n=1(小寒)算起
   * @return day Number
   * @eg:var _24 = calendar.getTerm(1987,3) ;//_24=4;意即1987年2月4日立春
   */
  getTerm: function (y, n) {
      if( y < 1900 || y > 2100 || n < 1 || n > 24) {
          return -1;
      }
      const _table = this.sTermInfo[y - 1900];
      const _calcDay = []
      for (let index = 0; index < _table.length; index += 5) {
          const chunk = parseInt('0x' + _table.substr(index, 5)).toString()
          _calcDay.push(
            chunk[0],
            chunk.substr(1, 2),
            chunk[3],
            chunk.substr(4, 2)
          )
      }
      return parseInt(_calcDay[n - 1]);
  },

  /**
   * 传入农历数字月份返回汉语通俗表示法
   * @param m lunar month
   * @return Cn string
   * @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth='腊月'
   */
  toChinaMonth: function (m) { // 月 => \u6708
      if (m > 12 || m < 1) {
          return -1
      } //若参数错误 返回-1
      let s = this.nStr3[m - 1];
      s += "\u6708";//加上月字
      return s;
  },

  /**
   * 传入农历日期数字返回汉字表示法
   * @param d lunar day
   * @return Cn string
   * @eg:var cnDay = calendar.toChinaDay(21) ;//cnMonth='廿一'
   */
  toChinaDay: function (d) { //日 => \u65e5
      let s;
      switch (d) {
          case 10:
              s = '\u521d\u5341';
              break;
          case 20:
              s = '\u4e8c\u5341';
              break;
          case 30:
              s = '\u4e09\u5341';
              break;
          default :
              s = this.nStr2[Math.floor(d / 10)];
              s += this.nStr1[d % 10];
      }
      return (s);
  },

  /**
   * 年份转生肖[!仅能大致转换] => 精确划分生肖分界线是“立春”
   * @param y year
   * @return Cn string
   * @eg:var animal = calendar.getAnimal(1987) ;//animal='兔'
   */
  getAnimal: function (y) {
      return this.Animals[(y - 4) % 12]
  },

  /**
   * 传入阳历年月日获得详细的公历、农历object信息 <=>JSON
   * !important! 公历参数区间1900.1.31~2100.12.31
   * @param yPara  solar year
   * @param mPara  solar month
   * @param dPara  solar day
   * @return JSON object
   * @eg:console.log(calendar.solar2lunar(1987,11,01));
   */
  solar2lunar: function (yPara, mPara, dPara) {
      let y = parseInt(yPara);
      let m = parseInt(mPara);
      let d = parseInt(dPara);
      //年份限定、上限
      if (y < 1900 || y > 2100) {
          return -1;// undefined转换为数字变为NaN
      }
      //公历传参最下限
      if (y === 1900 && m === 1 && d < 31) {
          return -1;
      }

      //未传参  获得当天
      let objDate;
      if (!y) {
          objDate = new Date();
      } else {
          objDate = new Date(y, parseInt(m) - 1, d);
      }
      let i, leap = 0, temp = 0;
      //修正ymd参数
      y = objDate.getFullYear();
      m = objDate.getMonth() + 1;
      d = objDate.getDate();
      let offset = (Date.UTC(objDate.getFullYear(), objDate.getMonth(), objDate.getDate()) - Date.UTC(1900, 0, 31)) / 86400000;
      for (i = 1900; i < 2101 && offset > 0; i++) {
          temp = this.lYearDays(i);
          offset -= temp;
      }
      if (offset < 0) {
          offset += temp;
          i--;
      }

      //是否今天
      let isTodayObj = new Date(),
          isToday = false;
      if (isTodayObj.getFullYear() === y && isTodayObj.getMonth() + 1 === m && isTodayObj.getDate() === d) {
          isToday = true;
      }
      //星期几
      let nWeek = objDate.getDay(),
          cWeek = this.nStr1[nWeek];
      //数字表示周几顺应天朝周一开始的惯例
      if (nWeek === 0) {
          nWeek = 7;
      }
      //农历年
      const year = i;
      leap = this.leapMonth(i); //闰哪个月
      let isLeap = false;

      //效验闰月
      for (i = 1; i < 13 && offset > 0; i++) {
          //闰月
          if (leap > 0 && i === (leap + 1) && isLeap === false) {
              --i;
              isLeap = true;
              temp = this.leapDays(year); //计算农历闰月天数
          } else {
              temp = this.monthDays(year, i);//计算农历普通月天数
          }
          //解除闰月
          if (isLeap === true && i === (leap + 1)) {
              isLeap = false;
          }
          offset -= temp;
      }
      // 闰月导致数组下标重叠取反
      if (offset === 0 && leap > 0 && i === leap + 1) {
          if (isLeap) {
              isLeap = false;
          } else {
              isLeap = true;
              --i;
          }
      }
      if (offset < 0) {
          offset += temp;
          --i;
      }
      //农历月
      const month = i;
      //农历日
      const day = offset + 1;
      //天干地支处理
      const sm = m - 1;
      const gzY = this.toGanZhiYear(year);

      // 当月的两个节气
      // bugfix-2017-7-24 11:03:38 use lunar Year Param `y` Not `year`
      const firstNode = this.getTerm(y, (m * 2 - 1));//返回当月「节」为几日开始
      const secondNode = this.getTerm(y, (m * 2));//返回当月「节」为几日开始

      // 依据12节气修正干支月
      let gzM = this.toGanZhi((y - 1900) * 12 + m + 11);
      if (d >= firstNode) {
          gzM = this.toGanZhi((y - 1900) * 12 + m + 12);
      }

      //传入的日期的节气与否
      let isTerm = false;
      let Term = null;
      if (firstNode === d) {
          isTerm = true;
          Term = this.solarTerm[m * 2 - 2];
      }
      if (secondNode === d) {
          isTerm = true;
          Term = this.solarTerm[m * 2 - 1];
      }
      //日柱 当月一日与 1900/1/1 相差天数
      const dayCyclical = Date.UTC(y, sm, 1, 0, 0, 0, 0) / 86400000 + 25567 + 10;
      const gzD = this.toGanZhi(dayCyclical + d - 1);
      //该日期所属的星座
      const astro = this.toAstro(m, d);

      const solarDate = y + '-' + m + '-' + d;
      const lunarDate = year + '-' + month + '-' + day;

      const festival = this.festival;
      const lFestival = this.lFestival;

      const festivalDate = m + '-' + d;
      let lunarFestivalDate = month + '-' + day;

      // bugfix https://github.com/jjonline/calendar.js/issues/29
      // 农历节日修正：农历12月小月则29号除夕，大月则30号除夕
      // 此处取巧修正：当前为农历12月29号时增加一次判断并且把lunarFestivalDate设置为12-30以正确取得除夕
      // 天朝农历节日遇闰月过前不过后的原则，此处取农历12月天数不考虑闰月
      // 农历润12月在本工具支持的200年区间内仅1574年出现
      if (month === 12 && day === 29 && this.monthDays(year, month) === 29) {
          lunarFestivalDate = '12-30';
      }
      return {
          date: solarDate,
          lunarDate: lunarDate,
          festival: festival[festivalDate] ? festival[festivalDate].title : null,
          lunarFestival: lFestival[lunarFestivalDate] ? lFestival[lunarFestivalDate].title : null,
          'lYear': year,
          'lMonth': month,
          'lDay': day,
          'Animal': this.getAnimal(year),
          'IMonthCn': (isLeap ? "\u95f0" : '') + this.toChinaMonth(month),
          'IDayCn': this.toChinaDay(day),
          'cYear': y,
          'cMonth': m,
          'cDay': d,
          'gzYear': gzY,
          'gzMonth': gzM,
          'gzDay': gzD,
          'isToday': isToday,
          'isLeap': isLeap,
          'nWeek': nWeek,
          'ncWeek': "\u661f\u671f" + cWeek,
          'isTerm': isTerm,
          'Term': Term,
          'astro': astro
      };
  },

  /**
   * 传入农历年月日以及传入的月份是否闰月获得详细的公历、农历object信息 <=>JSON
   * !important! 参数区间1900.1.31~2100.12.1
   * @param y  lunar year
   * @param m  lunar month
   * @param d  lunar day
   * @param isLeapMonth  lunar month is leap or not.[如果是农历闰月第四个参数赋值true即可]
   * @return JSON object
   * @eg:console.log(calendar.lunar2solar(1987,9,10));
   */
  lunar2solar: function (y, m, d, isLeapMonth) {
      y = parseInt(y)
      m = parseInt(m)
      d = parseInt(d)
      isLeapMonth = !!isLeapMonth;
      const leapOffset = 0;
      const leapMonth = this.leapMonth(y);
      const leapDay = this.leapDays(y);
      if (isLeapMonth && (leapMonth !== m)) {
          return -1;
      }//传参要求计算该闰月公历 但该年得出的闰月与传参的月份并不同
      if (y === 2100 && m === 12 && d > 1 || y === 1900 && m === 1 && d < 31) {
          return -1;
      }//超出了最大极限值
      const day = this.monthDays(y, m);
      let _day = day;
      //bugFix 2016-9-25
      //if month is leap, _day use leapDays method
      if (isLeapMonth) {
          _day = this.leapDays(y, m);
      }
      if (y < 1900 || y > 2100 || d > _day) {
          return -1;
      }//参数合法性效验

      //计算农历的时间差
      let offset = 0;
      let i;
      for (i = 1900; i < y; i++) {
          offset += this.lYearDays(i);
      }
      let leap = 0, isAdd = false;
      for (i = 1; i < m; i++) {
          leap = this.leapMonth(y);
          if (!isAdd) {//处理闰月
              if (leap <= i && leap > 0) {
                  offset += this.leapDays(y);
                  isAdd = true;
              }
          }
          offset += this.monthDays(y, i);
      }
      //转换闰月农历 需补充该年闰月的前一个月的时差
      if (isLeapMonth) {
          offset += day;
      }
      //1900年农历正月一日的公历时间为1900年1月30日0时0分0秒(该时间也是本农历的最开始起始点)
      const strap = Date.UTC(1900, 1, 30, 0, 0, 0);
      const calObj = new Date((offset + d - 31) * 86400000 + strap);
      const cY = calObj.getUTCFullYear();
      const cM = calObj.getUTCMonth() + 1;
      const cD = calObj.getUTCDate();

      return this.solar2lunar(cY, cM, cD);
  }
};

module.exports = calendar