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volcanos/lib/lunar.js
2022-11-08 08:24:24 +08:00

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var calendar = { /* @1900-2100区间内的公历转农历 */
solar2lunar: function(date) { var y = date.getFullYear(), m = date.getMonth()+1, d = date.getDate()
var day = (Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()) - Date.UTC(1900,0,31))/86400000
for (var year = 1900, days = 0; year < 2101 && day > 0; year++) { days = this.lYearDays(year), day -= days } if (day < 0) { day += days, year-- }
var isLeap = false, leap = this.leapMonth(year); for (var month = 1; month < 13 && day > 0; month++) {
if (leap > 0 && month == leap+1 && isLeap == false) { month--, isLeap = true, days = this.leapDays(year) } else { days = this.monthDays(year, month) }
if (isLeap == true && month == leap+1) { isLeap = false } day -= days
} if (day == 0 && leap > 0 && month == leap+1) { if (isLeap) { isLeap = false } else { isLeap = true, month-- } } if (day < 0) { day += days, month-- } day++
// 节气
var term = null, firstTerm = this.getTerm(y, (m*2-1)), secondTerm = this.getTerm(y, (m*2))
if (d == firstTerm) { term = this.termName[m*2-2] } else if (d == secondTerm) { term = this.termName[m*2-1] }
// 干支
var gzY = this.toGanZhiYear(year)
var gzM = this.toGanZhi((y-1900)*12+m+(d >= firstTerm? 12: 11))
var gzD = this.toGanZhi(Date.UTC(y,m-1,1,0,0,0,0)/86400000+25567+10+d-1)
// 节日
var nWeek = date.getDay(), cWeek = this.nStr3[nWeek]; if (nWeek == 0) { nWeek = 7 }
function getFestival(list, m, d) { return list[m+"-"+d]? list[m+"-"+d].title: null }
var res = {date: y+'-'+m+'-'+d, lunarDate: year+'-'+month+'-'+day,
Year: y, Month: m, Day: d, lYear: year, lMonth: month, lDay: day, gzYear: gzY, gzMonth: gzM, gzDay: gzD,
Animal: this.getAnimal(year), cnMonth: (isLeap?"\u95f0":'')+this.toChinaMonth(month), cnDay: this.toChinaDay(day),
isLeap: isLeap, Term: term, Astro: this.toAstro(m, d), nWeek: nWeek, ncWeek: "\u661f\u671f"+cWeek,
lunarFestival: getFestival(this.lfestival, month, day), festival: getFestival(this.festival, m, d),
}
res.autoDay = res.lunarFestival||res.festival||term||(day==1? this.toChinaMonth(month): this.toChinaDay(day))
res.autoClass = "lunar"+(res.lunarFestival||res.festival? " fest":"")+(res.isTerm? " term": "")
return res
},
/* 天干表 ["甲","乙","丙","丁","戊","己","庚","辛","壬","癸"] */
Gan: ["\u7532","\u4e59","\u4e19","\u4e01","\u620a","\u5df1","\u5e9a","\u8f9b","\u58ec","\u7678"],
/* 地支表 ["子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"] */
Zhi: ["\u5b50","\u4e11","\u5bc5","\u536f","\u8fb0","\u5df3","\u5348","\u672a","\u7533","\u9149","\u620c","\u4ea5"],
toGanZhi: function(offset) { return this.Gan[offset%10] + this.Zhi[offset%12] },
toGanZhiYear: function(lYear) { /* 农历年份转换为干支纪年 */
var ganKey = (lYear-3)%10; if (ganKey == 0) { ganKey = 10 }
var zhiKey = (lYear-3)%12; if (zhiKey == 0) { zhiKey = 12 }
return this.Gan[ganKey-1] + this.Zhi[zhiKey-1]
},
/* 生肖表 ["鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"] */
Animals: ["\u9f20","\u725b","\u864e","\u5154","\u9f99","\u86c7","\u9a6c","\u7f8a","\u7334","\u9e21","\u72d7","\u732a"],
/* 年份转生肖,精确划分生肖分界线是"立春" */
getAnimal: function(y) { return this.Animals[(y - 4) % 12] },
/* 月份表 ['正','一','二','三','四','五','六','七','八','九','十','冬','腊'] */
nStr1: ["\u6b63","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341","\u51ac","\u814a"],
/* 月旬表 ['初','十','廿','卅'] */
nStr2: ["\u521d","\u5341","\u5eff","\u5345"],
/* 日子表 ['日','一','二','三','四','五','六','七','八','九','十'] */
nStr3: ["\u65e5","\u4e00","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341"],
toChinaMonth: function(m) { return this.nStr1[m-1]+"\u6708" },
toChinaDay: function(d) { switch (d) {
case 10: return '\u521d\u5341'
case 20: return '\u4e8c\u5341'
case 30: return '\u4e09\u5341'
default: return this.nStr2[Math.floor(d/10)]+this.nStr3[d%10]
} },
/* 公历每个月份的天数普通表 */
solarMonth: [31,28,31,30,31,30,31,31,30,31,30,31],
/* 返回公历y年m月的天数 */
solarDays: function(y, m) { var ms = m-1; if (ms == 1) { return ((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28 } else { return this.solarMonth[ms] } },
/* 公历月、日判断所属星座 */
toAstro: function(m, d) { var arr = [20,19,21,21,21,22,23,23,23,23,22,22]
var 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"
return s.substr(m*2 - (d < arr[m-1]? 2: 0), 2) + "\u5ea7"
},
festival: { /* 公历节日 */
'1-1': {title: '元旦节'},
'12-24': {title: '平安夜'},
'12-25': {title: '圣诞节'},
'2-14': {title: '情人节'},
'3-8': {title: '妇女节'},
'4-1': {title: '愚人节'},
'5-1': {title: '劳动节'},
'5-4': {title: '青年节'},
'6-1': {title: '儿童节'},
'9-10': {title: '教师节'},
'7-1': {title: '建党节'},
'8-1': {title: '建军节'},
'10-1': {title: '国庆节'},
},
lfestival: { /* 农历节日 */
'12-30': {title: '除夕'},
'1-1': {title: '春节'},
'1-15': {title: '元宵'},
'5-5': {title: '端午'},
'7-7': {title: '七夕'},
'8-15': {title: '中秋'},
'9-9': {title: '重阳'},
},
/* 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 */
monthDays: function(y, m) { return (this.lunarInfo[y-1900] & (0x10000>>m))? 30: 29 },
/* 返回农历y年闰月是哪个月若y年没有闰月则返回0 */
leapMonth: function(y) { 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 */
leapDays: function(y) { if (this.leapMonth(y)) { return (this.lunarInfo[y-1900] & 0x10000)? 30: 29 } return 0 },
/* 返回农历y年一整年的总天数 */
lYearDays: function(y) { var i, sum = 348
for (i = 0x8000; i > 0x8; i >>= 1) { sum += (this.lunarInfo[y-1900] & i)? 1: 0 }
return sum+this.leapDays(y)
},
lunarInfo: [ /* 农历1900-2100的润大小信息表 */
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
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
],
getTerm: function(y, n) { /* 传入公历y年获得该年第n个节气的公历日期 */
var _table = this.termInfo[y-1900]
var _info = [
parseInt('0x'+_table.substr(0,5)).toString(),
parseInt('0x'+_table.substr(5,5)).toString(),
parseInt('0x'+_table.substr(10,5)).toString(),
parseInt('0x'+_table.substr(15,5)).toString(),
parseInt('0x'+_table.substr(20,5)).toString(),
parseInt('0x'+_table.substr(25,5)).toString(),
]
var _calday = [
_info[0].substr(0,1),
_info[0].substr(1,2),
_info[0].substr(3,1),
_info[0].substr(4,2),
_info[1].substr(0,1),
_info[1].substr(1,2),
_info[1].substr(3,1),
_info[1].substr(4,2),
_info[2].substr(0,1),
_info[2].substr(1,2),
_info[2].substr(3,1),
_info[2].substr(4,2),
_info[3].substr(0,1),
_info[3].substr(1,2),
_info[3].substr(3,1),
_info[3].substr(4,2),
_info[4].substr(0,1),
_info[4].substr(1,2),
_info[4].substr(3,1),
_info[4].substr(4,2),
_info[5].substr(0,1),
_info[5].substr(1,2),
_info[5].substr(3,1),
_info[5].substr(4,2),
]; return parseInt(_calday[n-1])
},
/* 二十四节气速查表 ["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"] */
termName: ["\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"],
termInfo: [ /* 1900-2100各年的24节气日期速查表 */
'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',
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}