Javascript农历与公历相互转换

/**用法
 * Lunar.toSolar(2016, 6, 3); 农历转化公历
 * Lunar.toLunar(2016, 7, 6); 公历转化农历
 */
var Lunar = {
    MIN_YEAR : 1891,
    MAX_YEAR : 2100,
    lunarInfo : [
        [0,2,9, 21936], [6,1,30, 9656], [0,2,17, 9584], [0,2,6, 21168], [5,1,26,43344], [0,2,13,59728],
        [0,2,2, 27296], [3,1,22,44368], [0,2,10,43856], [8,1,30,19304], [0,2,19,19168], [0,2,8, 42352],
        [5,1,29,21096], [0,2,16,53856], [0,2,4, 55632], [4,1,25,27304], [0,2,13,22176], [0,2,2, 39632],
        [2,1,22,19176], [0,2,10,19168], [6,1,30,42200], [0,2,18,42192], [0,2,6, 53840], [5,1,26,54568],
        [0,2,14,46400], [0,2,3, 54944], [2,1,23,38608], [0,2,11,38320], [7,2,1, 18872], [0,2,20,18800],
        [0,2,8, 42160], [5,1,28,45656], [0,2,16,27216], [0,2,5, 27968], [4,1,24,44456], [0,2,13,11104],
        [0,2,2, 38256], [2,1,23,18808], [0,2,10,18800], [6,1,30,25776], [0,2,17,54432], [0,2,6, 59984],
        [5,1,26,27976], [0,2,14,23248], [0,2,4, 11104], [3,1,24,37744], [0,2,11,37600], [7,1,31,51560],
        [0,2,19,51536], [0,2,8, 54432], [6,1,27,55888], [0,2,15,46416], [0,2,5, 22176], [4,1,25,43736],
        [0,2,13, 9680], [0,2,2, 37584], [2,1,22,51544], [0,2,10,43344], [7,1,29,46248], [0,2,17,27808],
        [0,2,6, 46416], [5,1,27,21928], [0,2,14,19872], [0,2,3, 42416], [3,1,24,21176], [0,2,12,21168],
        [8,1,31,43344], [0,2,18,59728], [0,2,8, 27296], [6,1,28,44368], [0,2,15,43856], [0,2,5, 19296],
        [4,1,25,42352], [0,2,13,42352], [0,2,2, 21088], [3,1,21,59696], [0,2,9, 55632], [7,1,30,23208],
        [0,2,17,22176], [0,2,6, 38608], [5,1,27,19176], [0,2,15,19152], [0,2,3, 42192], [4,1,23,53864],
        [0,2,11,53840], [8,1,31,54568], [0,2,18,46400], [0,2,7, 46752], [6,1,28,38608], [0,2,16,38320],
        [0,2,5, 18864], [4,1,25,42168], [0,2,13,42160], [10,2,2,45656], [0,2,20,27216], [0,2,9, 27968],
        [6,1,29,44448], [0,2,17,43872], [0,2,6, 38256], [5,1,27,18808], [0,2,15,18800], [0,2,4, 25776],
        [3,1,23,27216], [0,2,10,59984], [8,1,31,27432], [0,2,19,23232], [0,2,7, 43872], [5,1,28,37736],
        [0,2,16,37600], [0,2,5, 51552], [4,1,24,54440], [0,2,12,54432], [0,2,1, 55888], [2,1,22,23208],
        [0,2,9, 22176], [7,1,29,43736], [0,2,18, 9680], [0,2,7, 37584], [5,1,26,51544], [0,2,14,43344],
        [0,2,3, 46240], [4,1,23,46416], [0,2,10,44368], [9,1,31,21928], [0,2,19,19360], [0,2,8, 42416],
        [6,1,28,21176], [0,2,16,21168], [0,2,5, 43312], [4,1,25,29864], [0,2,12,27296], [0,2,1, 44368],
        [2,1,22,19880], [0,2,10,19296], [6,1,29,42352], [0,2,17,42208], [0,2,6, 53856], [5,1,26,59696],
        [0,2,13,54576], [0,2,3, 23200], [3,1,23,27472], [0,2,11,38608], [11,1,31,19176],[0,2,19,19152],
        [0,2,8, 42192], [6,1,28,53848], [0,2,15,53840], [0,2,4, 54560], [5,1,24,55968], [0,2,12,46496],
        [0,2,1, 22224], [2,1,22,19160], [0,2,10,18864], [7,1,30,42168], [0,2,17,42160], [0,2,6, 43600],
        [5,1,26,46376], [0,2,14,27936], [0,2,2, 44448], [3,1,23,21936], [0,2,11,37744], [8,2,1, 18808],
        [0,2,19,18800], [0,2,8, 25776], [6,1,28,27216], [0,2,15,59984], [0,2,4, 27424], [4,1,24,43872],
        [0,2,12,43744], [0,2,2, 37600], [3,1,21,51568], [0,2,9, 51552], [7,1,29,54440], [0,2,17,54432],
        [0,2,5, 55888], [5,1,26,23208], [0,2,14,22176], [0,2,3, 42704], [4,1,23,21224], [0,2,11,21200],
        [8,1,31,43352], [0,2,19,43344], [0,2,7, 46240], [6,1,27,46416], [0,2,15,44368], [0,2,5, 21920],
        [4,1,24,42448], [0,2,12,42416], [0,2,2, 21168], [3,1,22,43320], [0,2,9, 26928], [7,1,29,29336],
        [0,2,17,27296], [0,2,6, 44368], [5,1,26,19880], [0,2,14,19296], [0,2,3, 42352], [4,1,24,21104],
        [0,2,10,53856], [8,1,30,59696], [0,2,18,54560], [0,2,7, 55968], [6,1,27,27472], [0,2,15,22224],
        [0,2,5, 19168], [4,1,25,42216], [0,2,12,42192], [0,2,1, 53584], [2,1,21,55592], [0,2,9, 54560]
    ],
    //是否闰年
    isLeapYear : function(year) {
        return ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0));
    },
    //天干地支年
    lunarYear : function(year) {
        var gan = ['庚', '辛', '壬', '癸', '甲', '乙', '丙', '丁', '戊', '己'],
            zhi = ['申', '酉', '戌', '亥', '子', '丑', '寅', '卯', '辰', '巳', '午', '未'],
            str = year.toString().split("");
        return gan[str[3]] + zhi[year % 12];
    },
    //生肖年
    zodiacYear : function(year) {
        var zodiac = ['猴', '鸡', '狗', '猪', '鼠', '牛', '虎', '兔', '龙', '蛇', '马', '羊'];
        return zodiac[year % 12];
    },
    //公历月份天数
    //@param year 阳历-年
    //@param month 阳历-月
    solarMonthDays : function(year, month) {
        var FebDays = this.isLeapYear(year) ? 29 : 28;
        var monthHash = ['', 31, FebDays, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
        return monthHash[month];
    },
    //农历月份天数
    lunarMonthDays : function(year, month) {
        var monthData = this.lunarMonths(year);
        return monthData[month - 1];
    },
    //农历月份天数数组
    lunarMonths : function(year) {
        var yearData = this.lunarInfo[year - this.MIN_YEAR];
        var leapMonth = yearData[0];
        var bit = (+yearData[3]).toString(2);
        var months = [];
        for (var i = 0; i  0 ? year : (year - 1);
            yearMonth = this.lunarYearMonths(year);
            leapMonth = this.leapMonth(year);
            between   = between > 0 ? between : (this.lunarYearDays(year) + between);
            for (var i = 0; i  10 && num  20 && num