javascript 公历与农历相互转换工具类

/**
 * 公历[1900-1-31,2100-12-31]时间区间内的公历、农历互转
 * @charset UTF-8
 * @Author  Jea杨(JJonline@JJonline.Cn)
 * @Version 1.0.0
 * @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]
 */
var 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, 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
        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],//

    /**
     * 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"],

    /**
     * 生肖速查表
     * @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"],

    /**
     * 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','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"],

    /**
     * 中国法定节假日速查表(公历)(清明节属24节气)
     * @Json of Property
     * @trans {"0101" : "元旦节", "0501" : "劳动节", "1001" : "国庆节", "0308" : "妇女节", "0504" : "青年节", "0601" : "儿童节", "0801" : "建军节"}
     * @return Cn string
     */
    nStr4: {
        "0101": "\u5143\u65e6\u8282", // 公历1月1日
        "0501": "\u52b3\u52a8\u8282", // 公历5月1日
        "1001": "\u56fd\u5e86\u8282", // 公历10月1日
        "0308": "\u5987\u5973\u8282", // 公历3月8日
        "0504": "\u9752\u5e74\u8282", // 公历5月4日
        "0601": "\u513f\u7ae5\u8282", // 公历6月1日
        "0801": "\u5efa\u519b\u8282" // 公历8月1日
    },

    /**
     * 中国法定节假日速查表(农历)(清明节属24节气)
     * @Json of Property
     * @trans {"0101" : "春节", "0505" : "端午节", "0815" : "中秋节"}
     * @return Cn string
     */
    nStr5: {
        "0101": "\u6625\u8282", // 农历正月初一
        "0505": "\u7aef\u5348\u8282", // 农历五月初五
        "0815": "\u4e2d\u79cb\u8282" // 农历八月十五
    },

    /**
     * 休息日速查表
     * @Json of Property
     * @return Json
     */
    leave: {
        "2018": {
            "01": ["01", "06", "07", "13", "14", "20", "21", "27", "28"],
            "02": ["03", "04", "10", "15", "16", "17", "18", "19", "20", "21", "25"],
            "03": ["03", "04", "10", "11", "17", "18", "24", "25", "31"],
            "04": ["05", "06", "07", "14", "15", "21", "22", "29", "30"],
            "05": ["01", "05", "06", "12", "13", "19", "20", "26", "27"],
            "06": ["02", "03", "09", "10", "16", "17", "18", "23", "24", "30"],
            "07": ["01", "07", "08", "14", "15", "21", "22", "28", "29"],
            "08": ["04", "05", "11", "12", "18", "19", "25", "26"],
            "09": ["01", "02", "08", "09", "15", "16", "22", "23", "24"],
            "10": ["01", "02", "03", "04", "05", "06", "07", "13", "14", "20", "21", "27", "28"],
            "11": ["03", "04", "10", "11", "17", "18", "24", "25"],
            "12": ["01", "02", "08", "09", "15", "16", "22", "23", "29", "30"]
        }
    },

    /**
     * 获取农历y年一整年的总天数
     * @param {Number} y - lunar year
     * @return {Number}
     * @eg:var count = calendar.lYearDays(1987) ;//count=384
     */
    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));
    },

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

    /**
     * 获取农历y年闰月的天数；若该年没有闰月则返回0
     * @param {Number} y - 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);
    },

    /**
     * 获取农历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 {Number} y - lunar year
     * @param {Number} 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 ( (calendar.lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29 );
    },

    /**
     * 获取公历y年m月的天数
     * @param {Number} solar Year
     * @param {Number} 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
        var 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 (calendar.solarMonth[ms]);
        }
    },

    /**
     * 农历年份转换为干支纪年
     * @param {Number} y - lunar year
     * @return {String} Cn string
     */
    toGanZhiYear: function (y) {
        var ganKey = (y - 3) % 10;
        var zhiKey = (y - 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 calendar.Gan[ganKey - 1] + calendar.Zhi[zhiKey - 1];

    },

    /**
     * 公历月、日判断所属星座
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {String} Cn string
     */
    toAstro: function (m, d) {
        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, 23, 22];
        return s.substr(m * 2 - (d < arr[m - 1] ? 2 : 0), 2) + "\u5ea7";//座
    },

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

    /**
     * 传入公历y年获得该年第n个节气的公历日期
     * @param {Number} y - 公历年(1900-2100)
     * @param {Number} n - 二十四节气中的第几个节气(1~24),从n=1(小寒)算起
     * @return {Number} day
     * @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]);
    },

    /**
     * 传入农历数字月份返回汉语通俗表示法
     * @param {Number} m - lunar month
     * @return {String} 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
        var s = calendar.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 {Number} d - lunar day
     * @return {String} 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);
    },

    /**
     * 公历日期转生肖(分界线是“立春”)
     * @param {Number} y - solar year
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {String} Cn string
     * @eg:var animal = calendar.getAnimal(1987, 2, 4) ;//animal='兔'
     */
    getAnimal: function (y, m, d) {
        var term = calendar.getTerm(y, 3);//返回当年第三个节气[立春]为公历几日
        if ((m == 2 && d >= term) || m > 2) {
            return calendar.Animals[(y - 4) % 12];
        }
        return calendar.Animals[(y - 5) % 12];
    },

    /**
     * 公历日期是否24节气
     * @param {Number} y - solar year
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {boolean}
     * @eg:var isTerm = calendar.isTerm(1987, 2, 4) ; // isTerm = true
     */
    isTerm: function (y, m, d) {
        // 当月的两个节气
        var firstNode = calendar.getTerm(y, (m * 2 - 1));//返回当月第一「节气」为几日开始
        var secondNode = calendar.getTerm(y, (m * 2));//返回当月第二「节气」为几日开始
        //传入的日期的节气与否
        var isTerm = false;
        if (firstNode == d) {
            isTerm = true;
        }
        if (secondNode == d) {
            isTerm = true;
        }
        return isTerm;
    },

    /**
     * 获取公历日期的24节气值
     * @param {Number} y - solar year
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {String} Cn string
     * @eg:var term = calendar.getShowTerm(1987, 2, 4); // term = '立春'
     */
    getShowTerm: function (y, m, d) {
        // 当月的两个节气
        var firstNode = calendar.getTerm(y, (m * 2 - 1));//返回当月第一个「节气」为几日开始
        var secondNode = calendar.getTerm(y, (m * 2));//返回当月第二个「节气」为几日开始
        //传入的日期的节气与否
        var term = null;
        if (firstNode == d) {
            term = calendar.solarTerm[m * 2 - 2];
        }
        if (secondNode == d) {
            term = calendar.solarTerm[m * 2 - 1];
        }
        return term;
    },
    /**
     * 获取指定公历日期是一年中的第几周
     * @param {Number} y - solar year
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {Number} 第几周
     */
    getWeekOfYear: function (y, m, d) {
        // 指定日期是一年中的第几天
        var days = d;
        for (var i = 1; i < m; i++) {
            days += calendar.solarDays(y, i);
        }

        // 指定年份的第一天是星期几
        var yearFirstDay = new Date(y, 0, 1).getDay() || 7;

        var week = null;
        if (yearFirstDay == 1) {
            week = Math.ceil(days / 7);
        } else {
            days -= (7 - yearFirstDay + 1);
            week = Math.ceil(days / 7) + 1;
        }

        return week;
    },

    /**
     * 传入公历年月日获得详细的公历、农历 JSON object信息
     * @param {Number} y - solar year
     * @param {Number} m - solar month
     * @param {Number} d - solar day
     * @return {JSON} JSON object
     * @eg:console.log(calendar.solar2lunar(1987,11,01));
     */
    solar2lunar: function (y, m, d) { //参数区间公历1900.1.31~2100.12.31
        //年份限定
        if (y < 1900 || y > 2100) {
            return -1;
        }
        //公历传参最下限
        if (y == 1900 && m == 1 && d < 31) {
            return -1;
        }
        //未传参;获得当天
        var objDate = null;
        if (!y) {
            objDate = new Date();
        } else {
            objDate = new Date(y, parseInt(m) - 1, d)
        }
        var i, leap = 0, temp = 0;
        //修正ymd参数
        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;
        }
        //星期几
        var nWeek = objDate.getDay(),
            cWeek = calendar.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
        var year = i;
        var leap = calendar.leapMonth(i); //闰哪个月
        var 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 = calendar.leapDays(year); //计算农历闰月天数
            } else {
                temp = calendar.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
        var month = i;
        //农历日
        var day = offset + 1;
        //天干地支处理
        var gzY = calendar.toGanZhiYear(year);

        // 当月的第一个节气
        var firstNode = calendar.getTerm(y, (m * 2 - 1));//返回当月第一个「节气」为几日开始

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

        // 指定日期与 1900/1/1 相差天数
        var dayCyclical = Date.UTC(y, m - 1, d, 0, 0, 0, 0) / 86400000 + 25567 + 10;
        var gzD = calendar.toGanZhi(dayCyclical);
        //该日期所属的星座
        var astro = calendar.toAstro(m, d);

        //中国法定节假日
        var vacation = null;
        var month_day = (month > 9 ? "" + month : "0" + month) + (day > 9 ? "" + day : "0" + day);
        var m_d = (m > 9 ? "" + m : "0" + m) + (d > 9 ? "" + d : "0" + d);
        var vacation_temp = calendar.nStr5[month_day] || calendar.nStr4[m_d];
        if (vacation_temp) {
            vacation = vacation_temp;
        }

        return {
            'lYear': year,
            'lMonth': month,
            'lDay': day,
            'Animal': calendar.getAnimal(y, m, d),
            '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,
            'weekOfYear': "\u7b2c" + calendar.getWeekOfYear(y, m, d) + "\u5468",
            'isTerm': calendar.isTerm(y, m, d),
            'Term': calendar.getShowTerm(y, m, d),
            'astro': astro,
            'vacation': vacation
        };
    },

    /**
     * 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 JSON object信息
     * @param {Number} y - lunar year
     * @param {Number} m - lunar month
     * @param {Number} [d] - lunar day
     * @param {Boolean} [isLeapMonth] - lunar month is leap or not,如果是农历闰月赋值true即可.
     * @return {JSON} JSON object
     * @eg:console.log(calendar.lunar2solar(1987,9,10));
     */
    lunar2solar: function (y, m, d, isLeapMonth) { //参数区间农历1900.1.1~2100.12.1
        //年份限定
        if (y < 1900 || y > 2100) {
            return -1;
        }
        //农历传参最上限
        if (y == 2100 && m == 12 && d > 1) {
            return -1;
        }

        var isLeapMonth = !!isLeapMonth;
        var leapMonth = calendar.leapMonth(y);
        if (isLeapMonth && (leapMonth != m)) { // 计算得出的闰月与传参的月份不同
            return -1;
        }

        var day = calendar.monthDays(y, m);
        var _day = day;
        if (isLeapMonth) {
            _day = calendar.leapDays(y, m);
        }
        if (d > _day) { // 传参的日期大于计算得出的农历当月的天数
            return -1;
        }

        //计算传入时间相对于农历1900年正月初一的时间差
        var offset = 0;
        for (var i = 1900; i < y; i++) {
            offset += calendar.lYearDays(i);
        }
        for (var i = 1; i < m; i++) {
            if (i == leapMonth) { //处理闰月
                offset += calendar.leapDays(y);
            }
            offset += calendar.monthDays(y, i);
        }
        //如果是闰月，需补充该年闰月的前一个月的时差
        if (isLeapMonth) {
            offset += day;
        }
        // 农历1900年正月初一的公历时间为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)
        var stmap = Date.UTC(1900, 0, 30, 0, 0, 0);
        var calObj = new Date((offset + d) * 86400000 + stmap);
        var cY = calObj.getUTCFullYear();
        var cM = calObj.getUTCMonth() + 1;
        var cD = calObj.getUTCDate();

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