js之阳历 → 农历（含时辰）转换函数

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使用方法

// 公历：1995年6月15日 8点

var result = solarToLunar(1995, 6, 15, 8);

console.log(result.lunarString);

// 输出：一九九五年五月十八日 08:00-08:59辰时

console.log(result);

// 会返回完整农历对象

复制代码

// ==============================
	// 独立提取：公历转农历（含时辰）
	// 调用示例：solarToLunar(1995, 5, 20, 8)
	// ==============================
	function solarToLunar(year, month, day, hour) {
    var lunarInfo = new Array(
	        0x4bd8, 0x4ae0, 0xa570, 0x54d5, 0xd260, 0xd950, 0x5554, 0x56af, 0x9ad0, 0x55d2, 0x4ae0, 0xa5b6, 0xa4d0, 0xd250, 0xd295, 0xb54f, 0xd6a0, 0xada2, 0x95b0, 0x4977, 0x497f, 0xa4b0, 0xb4b5, 0x6a50, 0x6d40, 0xab54, 0x2b6f, 0x9570, 0x52f2, 0x4970, 0x6566, 0xd4a0, 0xea50, 0x6a95, 0x5adf, 0x2b60, 0x86e3, 0x92ef, 0xc8d7, 0xc95f, 0xd4a0, 0xd8a6, 0xb55f, 0x56a0, 0xa5b4, 0x25df, 0x92d0, 0xd2b2, 0xa950, 0xb557, 0x6ca0, 0xb550, 0x5355, 0x4daf, 0xa5b0, 0x4573, 0x52bf, 0xa9a8, 0xe950, 0x6aa0, 0xaea6, 0xab50, 0x4b60, 0xaae4, 0xa570, 0x5260, 0xf263, 0xd950, 0x5b57, 0x56a0, 0x96d0, 0x4dd5, 0x4ad0, 0xa4d0, 0xd4d4, 0xd250, 0xd558, 0xb540, 0xb6a0, 0x95a6, 0x95bf, 0x49b0, 0xa974, 0xa4b0, 0xb27a, 0x6a50, 0x6d40, 0xaf46, 0xab60, 0x9570, 0x4af5, 0x4970, 0x64b0, 0x74a3, 0xea50, 0x6b58, 0x5ac0, 0xab60, 0x96d5, 0x92e0, 0xc960, 0xd954, 0xd4a0, 0xda50, 0x7552, 0x56a0, 0xabb7, 0x25d0, 0x92d0, 0xcab5, 0xa950, 0xb4a0, 0xbaa4, 0xad50, 0x55d9, 0x4ba0, 0xa5b0, 0x5176, 0x52bf, 0xa930, 0x7954, 0x6aa0, 0xad50, 0x5b52, 0x4b60, 0xa6e6, 0xa4e0, 0xd260, 0xea65, 0xd530, 0x5aa0, 0x76a3, 0x96d0, 0x4afb, 0x4ad0, 0xa4d0, 0xd0b6, 0xd25f, 0xd520, 0xdd45, 0xb5a0, 0x56d0, 0x55b2, 0x49b0, 0xa577, 0xa4b0, 0xaa50, 0xb255, 0x6d2f, 0xada0, 0x4b63, 0x937f, 0x49f8, 0x4970, 0x64b0, 0x68a6, 0xea5f, 0x6b20, 0xa6c4, 0xaaef, 0x92e0, 0xd2e3, 0xc960, 0xd557, 0xd4a0, 0xda50, 0x5d55, 0x56a0, 0xa6d0, 0x55d4, 0x52d0, 0xa9b8, 0xa950, 0xb4a0, 0xb6a6, 0xad50, 0x55a0, 0xaba4, 0xa5b0, 0x52b0, 0xb273, 0x6930, 0x7337, 0x6aa0, 0xad50, 0x4b55, 0x4b6f, 0xa570, 0x54e4, 0xd260, 0xe968, 0xd520, 0xdaa0, 0x6aa6, 0x56df, 0x4ae0, 0xa9d4, 0xa4d0, 0xd150, 0xf252, 0xd520
	    );

var nStr1 = new Array('零', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十');
var nStr2 = new Array('初', '十', '廿', '卅');
var monthName = new Array("", "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二");

function lYearDays(y) {
    var i, sum = 348;
    for (i = 0x8000; i > 0x8; i >>= 1) sum += (lunarInfo[y - 1900] & i) ? 1 : 0;
    return sum + leapDays(y);
}

function leapDays(y) {
    if (leapMonth(y)) return ((lunarInfo[y - 1899] & 0xf) == 0xf ? 30 : 29);
    else return 0;
}

function leapMonth(y) {
    var lm = lunarInfo[y - 1900] & 0xf;
    return (lm == 0xf ? 0 : lm);
}

function monthDays(y, m) {
    return ((lunarInfo[y - 1900] & (0x10000 >> m)) ? 30 : 29);
}

function Lunar(objDate, h) {
    var i, leap = 0, temp = 0;
    var offset = (Date.UTC(objDate.getFullYear(), objDate.getMonth(), objDate.getDate()) - Date.UTC(1900, 0, 31)) / 86400000;
    if (h > 23) offset++;
    for (i = 1900; i < 2100 && offset > 0; i++) {
        temp = lYearDays(i);
        offset -= temp;
    }
    if (offset < 0) {
        offset += temp;
        i--;
    }
    this.year = i;
    leap = leapMonth(i);
    this.isLeap = false;
    for (i = 1; i < 13 && offset > 0; i++) {
        if (leap > 0 && i == (leap + 1) && !this.isLeap) {
            --i;
            this.isLeap = true;
            temp = leapDays(this.year);
        } else {
            temp = monthDays(this.year, i);
        }
        if (this.isLeap && i == (leap + 1)) this.isLeap = false;
        offset -= temp;
    }
    if (offset == 0 && leap > 0 && i == leap + 1) {
        this.isLeap ? this.isLeap = false : this.isLeap = true; --i;
    }
    if (offset < 0) { offset += temp; --i; }
    this.month = i;
    this.day = offset + 1;
}

function cYear(y) {
    var s = nStr1[Math.floor(y / 1000)];
    s += nStr1[Math.floor((y % 1000) / 100)];
    s += nStr1[Math.floor((y % 100) / 10)];
    s += nStr1[y % 10];
    return s;
}

function cDay(d) {
    switch (d) {
        case 10: return '初十';
        case 20: return '二十';
        case 30: return '三十';
        default: return nStr2[Math.floor(d / 10)] + nStr1[d % 10];
    }
}

// 时辰
var hh = [
    "00:00-00:59早子", "01:00-01:59丑", "02:00-02:59丑",
    "03:00-03:59寅", "04:00-04:59寅", "05:00-05:59卯",
    "06:00-06:59卯", "07:00-07:59辰", "08:00-08:59辰",
    "09:00-09:59巳", "10:00-10:59巳", "11:00-11:59午",
    "12:00-12:59午", "13:00-13:59未", "14:00-14:59未",
    "15:00-15:59申", "16:00-16:59申", "17:00-17:59酉",
    "18:00-18:59酉", "19:00-19:59戌", "20:00-20:59戌",
    "21:00-21:59亥", "22:00-22:59亥", "23:00-23:59晚子"
];

var sDObj = new Date(year, month - 1, day);
var lDObj = new Lunar(sDObj, hour);
var lY = cYear(lDObj.year);
var lM = monthName[lDObj.month];
var lD = cDay(lDObj.day);
var lL = lDObj.isLeap ? '闰' : '';
var lS = (hour >= 0 && hour < 24) ? hh[hour] : '未知';

return {
    lunarString: lY + '年' + lL + lM + '月' + lD + '日 ' + lS + '时',
    lunarYear: lDObj.year,
    lunarMonth: lDObj.month,
    lunarDay: lDObj.day,
    isLeapMonth: lDObj.isLeap,
    hourText: lS
};
}