最近在做一個黃歷的快應用（quickapp），需要涉及到公歷轉陰歷，效果如下：
快應用（https://www.quickapp.cn/）：
-
快應用是基於手機硬件平台的新型應用形態；標准是由主流手機廠商組成的快應用聯盟聯合制定；
-
快應用標准的誕生將在研發接口、能力接入、開發者服務等層面建設標准平台；以平台化的生態模式對個人開發者和企業開發者全品類開放。
- 快應用具備傳統APP完整的應用體驗，無需安裝，即點即用。
對於陰陽歷的轉換，分享一位牛人的做法：
/** * @1900-2100區間內的公歷、農歷互轉 * @charset UTF-8 * @Author Jea楊(JJonline@JJonline.Cn) * @Time 2014-7-21 * @Time 2016-8-13 Fixed 2033hex、Attribution Annals * @Time 2016-9-25 Fixed lunar LeapMonth Param Bug * @Version 1.0.2 * @公歷轉農歷：calendar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0] * @農歷轉公歷：calendar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0] */
var calendar = { /** * 農歷1900-2100的潤大小信息表 * @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
0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,//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
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,//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
0x0a2e0,0x0d2e3,0x0c960,0x0d557,0x0d4a0,0x0da50,0x05d55,0x056a0,0x0a6d0,0x055d4,//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
/** * 公歷每個月份的天數普通表 * @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","龍","蛇","馬","羊","猴","雞","狗","豬"] * @return Cn string */ Animals:["\u9f20","\u725b","\u864e","\u5154","\u9f99","\u86c7","\u9a6c","\u7f8a","\u7334","\u9e21","\u72d7","\u732a"], /** * 24節氣速查表 * @Array Of Property * @trans["小寒","大寒","立春","雨水","驚蟄","春分","清明","谷雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","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節氣日期速查表 * @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'], /** * 數字轉中文速查表 * @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"], /** * 日期轉農歷稱呼速查表 * @Array Of Property * @trans ['初','十','廿','卅'] * @return Cn string */ nStr2:["\u521d","\u5341","\u5eff","\u5345"], /** * 月份轉農歷稱呼速查表 * @Array Of Property * @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','臘'] * @return Cn string */ nStr3:["\u6b63","\u4e8c","\u4e09","\u56db","\u4e94","\u516d","\u4e03","\u516b","\u4e5d","\u5341","\u51ac","\u814a"], /** * 返回農歷y年一整年的總天數 * @param lunar Year * @return Number * @eg:var count = calendar.lYearDays(1987) ;//count=387 */ lYearDays:function(y) { var i, sum = 348; for(i=0x8000; i>0x8; i>>=1) { sum += (calendar.lunarInfo[y-1900] & i)? 1: 0; } return(sum+calendar.leapDays(y)); }, /** * 返回農歷y年閏月是哪個月；若y年沒有閏月 則返回0 * @param lunar Year * @return Number (0-12) * @eg:var leapMonth = calendar.leapMonth(1987) ;//leapMonth=6 */ leapMonth:function(y) { //閏字編碼 \u95f0
return(calendar.lunarInfo[y-1900] & 0xf); }, /** * 返回農歷y年閏月的天數 若該年沒有閏月則返回0 * @param lunar Year * @return Number (0、29、30) * @eg:var leapMonthDay = calendar.leapDays(1987) ;//leapMonthDay=29 */ leapDays:function(y) { if(calendar.leapMonth(y)) { return((calendar.lunarInfo[y-1900] & 0x10000)? 30: 29); } return(0); }, /** * 返回農歷y年m月（非閏月）的總天數，計算m為閏月時的天數請使用leapDays方法 * @param lunar Year * @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}//月份參數從1至12，參數錯誤返回-1
return( (calendar.lunarInfo[y-1900] & (0x10000>>m))? 30: 29 ); }, /** * 返回公歷(!)y年m月的天數 * @param solar Year * @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} //若參數錯誤 返回-1
var ms = m-1; if(ms==1) { //2月份的閏平規律測算后確認返回28或29
return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28); }else { return(calendar.solarMonth[ms]); } }, /** * 農歷年份轉換為干支紀年 * @param lYear 農歷年的年份數 * @return Cn string */ toGanZhiYear:function(lYear) { var ganKey = (lYear - 3) % 10; var zhiKey = (lYear - 3) % 12; if(ganKey == 0) ganKey = 10;//如果余數為0則為最后一個天干
if(zhiKey == 0) zhiKey = 12;//如果余數為0則為最后一個地支
return calendar.Gan[ganKey-1] + calendar.Zhi[zhiKey-1]; }, /** * 公歷月、日判斷所屬星座 * @param cMonth [description] * @param cDay [description] * @return Cn string */ toAstro:function(cMonth,cDay) { 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"; var 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
}, /** * 傳入offset偏移量返回干支 * @param offset 相對甲子的偏移量 * @return Cn string */ toGanZhi:function(offset) { return calendar.Gan[offset%10] + calendar.Zhi[offset%12]; }, /** * 傳入公歷(!)y年獲得該年第n個節氣的公歷日期 * @param y公歷年(1900-2100)；n二十四節氣中的第幾個節氣(1~24)；從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) {return -1;} if(n<1 || n>24) {return -1;} var _table = calendar.sTermInfo[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]); }, /** * 傳入農歷數字月份返回漢語通俗表示法 * @param lunar month * @return Cn string * @eg:var cnMonth = calendar.toChinaMonth(12) ;//cnMonth='臘月' */ toChinaMonth:function(m) { // 月 => \u6708
if(m>12 || m<1) {return -1} //若參數錯誤 返回-1
var s = calendar.nStr3[m-1]; s+= "\u6708";//加上月字
return s; }, /** * 傳入農歷日期數字返回漢字表示法 * @param lunar day * @return Cn string * @eg:var cnDay = calendar.toChinaDay(21) ;//cnMonth='廿一' */ toChinaDay:function(d){ //日 => \u65e5
var s; switch (d) { case 10: s = '\u521d\u5341'; break; case 20: s = '\u4e8c\u5341'; break; break; case 30: s = '\u4e09\u5341'; break; break; default : s = calendar.nStr2[Math.floor(d/10)];
s += calendar.nStr1[d%10]; } return(s); }, /** * 年份轉生肖[!僅能大致轉換] => 精確划分生肖分界線是“立春” * @param y year * @return Cn string * @eg:var animal = calendar.getAnimal(1987) ;//animal='兔' */ getAnimal: function(y) { return calendar.Animals[(y - 4) % 12] }, /** * 傳入陽歷年月日獲得詳細的公歷、農歷object信息 <=>JSON * @param y solar year * @param m solar month * @param d solar day * @return JSON object * @eg:console.log(calendar.solar2lunar(1987,11,01)); */ solar2lunar:function (y,m,d) { //參數區間1900.1.31~2100.12.31
if(y<1900 || y>2100) {return -1;}//年份限定、上限
if(y==1900&&m==1&&d<31) {return -1;}//下限
if(!y) { //未傳參 獲得當天
var objDate = new Date(); }else { var objDate = new Date(y,parseInt(m)-1,d) } var i, leap=0, temp=0; //修正ymd參數
var y = objDate.getFullYear(),m = objDate.getMonth()+1,d = objDate.getDate(); var offset = (Date.UTC(objDate.getFullYear(),objDate.getMonth(),objDate.getDate()) - Date.UTC(1900,0,31))/86400000;
for(i=1900; i<2101 && offset>0; i++) { temp=calendar.lYearDays(i); offset-=temp; } if(offset<0) { offset+=temp; i--; } //是否今天
var isTodayObj = new Date(),isToday=false; if(isTodayObj.getFullYear()==y && isTodayObj.getMonth()+1==m && isTodayObj.getDate()==d) { isToday = true; } //星期幾
var nWeek = objDate.getDay(),cWeek = calendar.nStr1[nWeek]; if(nWeek==0) {nWeek =7;}//數字表示周幾順應天朝周一開始的慣例
//農歷年
var year = i; var leap = calendar.leapMonth(i); //閏哪個月
var isLeap = false; //效驗閏月
for(i=1; i<13 && offset>0; i++) { //閏月
if(leap>0 && i==(leap+1) && isLeap==false){ --i; isLeap = true; temp = calendar.leapDays(year); //計算農歷閏月天數
} else{ temp = calendar.monthDays(year, i);//計算農歷普通月天數
} //解除閏月
if(isLeap==true && i==(leap+1)) { isLeap = false; } offset -= temp; } if(offset==0 && leap>0 && i==leap+1) if(isLeap){ isLeap = false; }else{ isLeap = true; --i; } if(offset<0){ offset += temp; --i; } //農歷月
var month = i; //農歷日
var day = offset + 1; //天干地支處理
var sm = m-1; var gzY = calendar.toGanZhiYear(year); //月柱 1900年1月小寒以前為 丙子月(60進制12)
var firstNode = calendar.getTerm(year,(m*2-1));//返回當月「節」為幾日開始
var secondNode = calendar.getTerm(year,(m*2));//返回當月「節」為幾日開始
//依據12節氣修正干支月
var gzM = calendar.toGanZhi((y-1900)*12+m+11); if(d>=firstNode) { gzM = calendar.toGanZhi((y-1900)*12+m+12); } //傳入的日期的節氣與否
var isTerm = false; var Term = null; if(firstNode==d) { isTerm = true; Term = calendar.solarTerm[m*2-2]; } if(secondNode==d) { isTerm = true; Term = calendar.solarTerm[m*2-1]; } //日柱 當月一日與 1900/1/1 相差天數
var dayCyclical = Date.UTC(y,sm,1,0,0,0,0)/86400000+25567+10;
var gzD = calendar.toGanZhi(dayCyclical+d-1); //該日期所屬的星座
var astro = calendar.toAstro(m,d); return {'lYear':year,'lMonth':month,'lDay':day,'Animal':calendar.getAnimal(year),'IMonthCn':(isLeap?"\u95f0":'')+calendar.toChinaMonth(month),'IDayCn':calendar.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}; }, /** * 傳入農歷年月日以及傳入的月份是否閏月獲得詳細的公歷、農歷object信息 <=>JSON * @param y lunar year * @param m lunar month * @param d lunar day * @param isLeapMonth lunar month is leap or not.[如果是農歷閏月第四個參數賦值true即可] * @return JSON object * @eg:console.log(calendar.lunar2solar(1987,9,10)); */ lunar2solar:function(y,m,d,isLeapMonth) { //參數區間1900.1.31~2100.12.1
var isLeapMonth = !!isLeapMonth; var leapOffset = 0; var leapMonth = calendar.leapMonth(y); var leapDay = calendar.leapDays(y); if(isLeapMonth&&(leapMonth!=m)) {return -1;}//傳參要求計算該閏月公歷 但該年得出的閏月與傳參的月份並不同
if(y==2100&&m==12&&d>1 || y==1900&&m==1&&d<31) {return -1;}//超出了最大極限值
var day = calendar.monthDays(y,m); var _day = day; //bugFix 2016-9-25
//if month is leap, _day use leapDays method
if(isLeapMonth) { _day = calendar.leapDays(y,m); } if(y < 1900 || y > 2100 || d > _day) {return -1;}//參數合法性效驗
//計算農歷的時間差
var offset = 0; for(var i=1900;i<y;i++) { offset+=calendar.lYearDays(i); } var leap = 0,isAdd= false; for(var i=1;i<m;i++) { leap = calendar.leapMonth(y); if(!isAdd) {//處理閏月
if(leap<=i && leap>0) { offset+=calendar.leapDays(y);isAdd = true; } } offset+=calendar.monthDays(y,i); } //轉換閏月農歷 需補充該年閏月的前一個月的時差
if(isLeapMonth) {offset+=day;} //1900年農歷正月一日的公歷時間為1900年1月30日0時0分0秒(該時間也是本農歷的最開始起始點)
var stmap = Date.UTC(1900,1,30,0,0,0); var calObj = new Date((offset+d-31)*86400000+stmap); var cY = calObj.getUTCFullYear(); var cM = calObj.getUTCMonth()+1; var cD = calObj.getUTCDate(); return calendar.solar2lunar(cY,cM,cD); } };
還有對於某月某日是某年的第幾周的一個方法：
function weekthOfYear(year,month,day) { let d1 = new Date(year,0,1); let d2 = new Date(year,month-1,day); let dS = 24 * 60 * 60 * 1000; let firstDay = (7 - d1.getDay()) * dS; let weekMS = 7 * dS; d1 = d1.getTime(); d2 = d2.getTime(); return Math.ceil((d2 - d1 - firstDay)/weekMS) +1;
}
牛人的文章地址：1990年至2100年公歷、農歷互轉Js代碼 https://blog.jjonline.cn/userInterFace/173.html