C#农历

作者: 转载 出自: 【孟宪会之精彩世界】 发布日期: 2003-6-14 17:29:12

using System;

namespace CNCalendar
{
    public class CNDate
    {
        private const ushort START_YEAR = 1901;
        private const ushort END_YEAR = 2050;
        private string[] ConstellationName =
        {
            "白羊座", "金牛座", "双子座",
            "巨蟹座", "狮子座", "处女座",
            "天秤座", "天蝎座", "射手座",
            "摩羯座", "水瓶座", "双鱼座"
        };
        private string[] LunarHolDayName =
        {
            "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"
        };

        //数组gLunarDay存入阴历1901年到2100年每年中的月天数信息,
        //阴历每月只能是29或30天,一年用12(或13)个二进制位表示,对应位为1表30天,否则为29天
        private int[] gLunarMonthDay = {
            //测试数据只有1901.1.1 --2050.12.31
            0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8, 0x4ae0, //1910
            0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, //1920
            0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, //1930
            0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, //1940
            0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, //1950
            0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, //1960
            0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, //1970
            0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, //1980
            0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, //1990
            0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, //2000
            0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, //2010
            0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, //2020
            0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, //2030
            0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, //2040
            0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0}; //2050

        //数组gLanarMonth存放阴历1901年到2050年闰月的月份,如没有则为0,每字节存两年
        byte[] gLunarMonth ={
            0x00, 0x50, 0x04, 0x00, 0x20, //1910
            0x60, 0x05, 0x00, 0x20, 0x70, //1920
            0x05, 0x00, 0x40, 0x02, 0x06, //1930
            0x00, 0x50, 0x03, 0x07, 0x00, //1940
            0x60, 0x04, 0x00, 0x20, 0x70, //1950
            0x05, 0x00, 0x30, 0x80, 0x06, //1960
            0x00, 0x40, 0x03, 0x07, 0x00, //1970
            0x50, 0x04, 0x08, 0x00, 0x60, //1980
            0x04, 0x0a, 0x00, 0x60, 0x05, //1990
            0x00, 0x30, 0x80, 0x05, 0x00, //2000
            0x40, 0x02, 0x07, 0x00, 0x50, //2010
            0x04, 0x09, 0x00, 0x60, 0x04, //2020
            0x00, 0x20, 0x60, 0x05, 0x00, //2030
            0x30, 0xb0, 0x06, 0x00, 0x50, //2040
            0x02, 0x07, 0x00, 0x50, 0x03}; //2050

        // 数组gLanarHoliDay存放每年的二十四节气对应的阳历日期
        // 每年的二十四节气对应的阳历日期几乎固定,平均分布于十二个月中
        // 1月 2月 3月 4月 5月 6月
        //小寒 大寒 立春 雨水 惊蛰 春分 清明 谷雨 立夏 小满 芒种 夏至
        // 7月 8月 9月 10月 11月 12月
        //小暑 大暑 立秋 处暑 白露 秋分 寒露 霜降 立冬 小雪 大雪 冬至
        //*********************************************************************************
        // 节气无任何确定规律,所以只好存表,要节省空间,所以....
        //**********************************************************************************}
        //数据格式说明:
        //如1901年的节气为
        // 1月 2月 3月 4月 5月 6月 7月 8月 9月 10月 11月 12月
        // 6, 21, 4, 19, 6, 21, 5, 21, 6,22, 6,22, 8, 23, 8, 24, 8, 24, 8, 24, 8, 23, 8, 22
        // 9, 6, 11,4, 9, 6, 10,6, 9,7, 9,7, 7, 8, 7, 9, 7, 9, 7, 9, 7, 8, 7, 15
        //上面第一行数据为每月节气对应日期,15减去每月第一个节气,每月第二个节气减去15得第二行
        // 这样每月两个节气对应数据都小于16,每月用一个字节存放,高位存放第一个节气数据,低位存放
        //第二个节气的数据,可得下表
        byte[] gLunarHolDay ={
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1901
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1902
            0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1903
            0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //1904
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1905
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1906
            0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1907
            0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1908
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1909
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1910
            0x96, 0xA5, 0x87, 0x96, 0x87, 0x87, 0x79, 0x69, 0x69, 0x69, 0x78, 0x78, //1911
            0x86, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1912
            0x95, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1913
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1914
            0x96, 0xA5, 0x97, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1915
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1916
            0x95, 0xB4, 0x96, 0xA6, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1917
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x77, //1918
            0x96, 0xA5, 0x97, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1919
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1920
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1921
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x77, //1922
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x69, 0x69, 0x78, 0x78, //1923
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1924
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x87, //1925
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1926
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1927
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1928
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1929
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1930
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x87, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1931
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1932
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1933
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1934
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1935
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1936
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1937
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1938
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1939
            0x96, 0xA5, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1940
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1941
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1942
            0x96, 0xA4, 0x96, 0x96, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1943
            0x96, 0xA5, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1944
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1945
            0x95, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1946
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1947
            0x96, 0xA5, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1948
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x79, 0x78, 0x79, 0x77, 0x87, //1949
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1950
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x79, 0x79, 0x79, 0x69, 0x78, 0x78, //1951
            0x96, 0xA5, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1952
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1953
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x68, 0x78, 0x87, //1954
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1955
            0x96, 0xA5, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1956
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1957
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1958
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1959
            0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1960
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1961
            0x96, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1962
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1963
            0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1964
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1965
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1966
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1967
            0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1968
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1969
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1970
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x79, 0x69, 0x78, 0x77, //1971
            0x96, 0xA4, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1972
            0xA5, 0xB5, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1973
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1974
            0x96, 0xB4, 0x96, 0xA6, 0x97, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1975
            0x96, 0xA4, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x89, 0x88, 0x78, 0x87, 0x87, //1976
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1977
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //1978
            0x96, 0xB4, 0x96, 0xA6, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1979
            0x96, 0xA4, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1980
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x77, 0x87, //1981
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1982
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x78, 0x79, 0x78, 0x69, 0x78, 0x77, //1983
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //1984
            0xA5, 0xB4, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //1985
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1986
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x79, 0x78, 0x69, 0x78, 0x87, //1987
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1988
            0xA5, 0xB4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1989
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //1990
            0x95, 0xB4, 0x96, 0xA5, 0x86, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1991
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1992
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1993
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1994
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x76, 0x78, 0x69, 0x78, 0x87, //1995
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //1996
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //1997
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //1998
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //1999
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2000
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2001
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2002
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //2003
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2004
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2005
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2006
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x69, 0x78, 0x87, //2007
            0x96, 0xB4, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2008
            0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2009
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2010
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x78, 0x87, //2011
            0x96, 0xB4, 0xA5, 0xB5, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2012
            0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2013
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2014
            0x95, 0xB4, 0x96, 0xA5, 0x96, 0x97, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2015
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2016
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2017
            0xA5, 0xB4, 0xA6, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2018
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2019
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x86, //2020
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2021
            0xA5, 0xB4, 0xA5, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2022
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x79, 0x77, 0x87, //2023
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2024
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2025
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2026
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2027
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2028
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2029
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2030
            0xA5, 0xB4, 0x96, 0xA5, 0x96, 0x96, 0x88, 0x78, 0x78, 0x78, 0x87, 0x87, //2031
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2032
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x86, //2033
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x78, 0x88, 0x78, 0x87, 0x87, //2034
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2035
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2036
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x86, //2037
            0xA5, 0xB3, 0xA5, 0xA5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2038
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2039
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x96, //2040
            0xA5, 0xC3, 0xA5, 0xB5, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2041
            0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x88, 0x88, 0x88, 0x78, 0x87, 0x87, //2042
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2043
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x88, 0x87, 0x96, //2044
            0xA5, 0xC3, 0xA5, 0xB4, 0xA5, 0xA6, 0x87, 0x88, 0x87, 0x78, 0x87, 0x86, //2045
            0xA5, 0xB3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x88, 0x78, 0x87, 0x87, //2046
            0xA5, 0xB4, 0x96, 0xA5, 0xA6, 0x96, 0x88, 0x88, 0x78, 0x78, 0x87, 0x87, //2047
            0x95, 0xB4, 0xA5, 0xB4, 0xA5, 0xA5, 0x97, 0x87, 0x87, 0x88, 0x86, 0x96, //2048
            0xA4, 0xC3, 0xA5, 0xA5, 0xA5, 0xA6, 0x97, 0x87, 0x87, 0x78, 0x87, 0x86, //2049
            0xA5, 0xC3, 0xA5, 0xB5, 0xA6, 0xA6, 0x87, 0x88, 0x78, 0x78, 0x87, 0x87}; //2050

        private DateTime m_Date;
        public DateTime Date
        {
            get { return m_Date; }
            set { m_Date = value; }
        }

        public CNDate()
        {
            Date = DateTime.Today;
        }
        public CNDate(DateTime dt)
        {
            Date = dt.Date;
        }
        //计算指定日期的星座序号 
        public int GetConstellation()
        {
            int Y, M, D;
            Y = m_Date.Year;
            M = m_Date.Month;
            D = m_Date.Day;
            Y = M * 100 + D;
            if (((Y >= 321) && (Y <= 419))) { return 0; }
            else if ((Y >= 420) && (Y <= 520)) { return 1; }
            else if ((Y >= 521) && (Y <= 620)) { return 2; }
            else if ((Y >= 621) && (Y <= 722)) { return 3; }
            else if ((Y >= 723) && (Y <= 822)) { return 4; }
            else if ((Y >= 823) && (Y <= 922)) { return 5; }
            else if ((Y >= 923) && (Y <= 1022)) { return 6; }
            else if ((Y >= 1023) && (Y <= 1121)) { return 7; }
            else if ((Y >= 1122) && (Y <= 1221)) { return 8; }
            else if ((Y >= 1222) || (Y <= 119)) { return 9; }
            else if ((Y >= 120) && (Y <= 218)) { return 10; }
            else if ((Y >= 219) && (Y <= 320)) { return 11; }
            else { return -1; };
        }

        //计算指定日期的星座名称 
        public string GetConstellationName()
        {
            int Constellation;
            Constellation = GetConstellation();
            if ((Constellation >= 0) && (Constellation <= 11))
            { return ConstellationName[Constellation]; }
            else
            { return ""; };
        }

        //计算公历当天对应的节气 0-23,-1表示不是节气 
        public int l_GetLunarHolDay()
        {
            byte Flag;
            int Day, iYear, iMonth, iDay;
            iYear = m_Date.Year;
            if ((iYear < START_YEAR) || (iYear > END_YEAR))
            { return -1; };
            iMonth = m_Date.Month;
            iDay = m_Date.Day;
            Flag = gLunarHolDay[(iYear - START_YEAR) * 12 + iMonth - 1];
            if (iDay < 15)
            { Day = 15 - ((Flag >> 4) & 0x0f); }
            else
            { Day = (Flag & 0x0f) + 15; };
            if (iDay == Day)
            {
                if (iDay > 15)
                { return (iMonth - 1) * 2 + 1; }
                else
                { return (iMonth - 1) * 2; }
            }
            else
            { return -1; };
        }

        public string FormatMonth(ushort iMonth, bool bLunar)
        {
            string szText = "正二三四五六七八九十";
            string strMonth;
            if ((!bLunar) && (iMonth == 1))
            { return "一月"; }
            if (iMonth <= 10)
            {
                strMonth = "";
                strMonth = strMonth + szText.Substring(iMonth - 1, 1);
                strMonth = strMonth + "月";
                return strMonth;
            }
            if (iMonth == 11)
            { strMonth = "十一"; }
            else
            { strMonth = "十二"; }
            return strMonth + "月";
        }

        public string FormatLunarDay(ushort iDay)
        {
            string szText1 = "初十廿三";
            string szText2 = "一二三四五六七八九十";
            string strDay;
            if ((iDay != 20) && (iDay != 30))
            {
                strDay = szText1.Substring((iDay - 1) / 10, 1);
                strDay = strDay + szText2.Substring((iDay - 1) % 10, 1);
            }
            else
            {
                strDay = szText1.Substring((iDay / 10) * 2 + 1, 2);
                strDay = strDay + "十";
            }
            return strDay;
        }

        public string GetLunarHolDay()
        {
            ushort iYear, iMonth, iDay;
            int i;
            TimeSpan ts;
            iYear = (ushort)(m_Date.Year);
            if ((iYear < START_YEAR) || (iYear > END_YEAR))
            { return ""; };
            i = l_GetLunarHolDay();
            if ((i >= 0) && (i <= 23))
            { return LunarHolDayName[i]; }
            else
            {
                ts = m_Date - (new DateTime(START_YEAR, 1, 1));
                l_CalcLunarDate(out iYear, out iMonth, out iDay, (uint)(ts.Days));
                return FormatMonth(iMonth, true) + FormatLunarDay(iDay);
            }
        }

        //返回阴历iLunarYear年的闰月月份,如没有返回0 1901年1月---2050年12月
        public int GetLeapMonth(ushort iLunarYear)
        {
            byte Flag;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 0; };
            Flag = gLunarMonth[(iLunarYear - START_YEAR) / 2];
            if ((iLunarYear - START_YEAR) % 2 == 0)
            { return Flag >> 4; }
            else
            { return Flag & 0x0F; }
        }

        //返回阴历iLunarYer年阴历iLunarMonth月的天数,如果iLunarMonth为闰月,
        //高字为第二个iLunarMonth月的天数,否则高字为0 1901年1月---2050年12月
        public uint LunarMonthDays(ushort iLunarYear, ushort iLunarMonth)
        {
            int Height, Low;
            int iBit;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 30; }
            Height = 0;
            Low = 29;
            iBit = 16 - iLunarMonth;
            if ((iLunarMonth > GetLeapMonth(iLunarYear)) && (GetLeapMonth(iLunarYear) > 0))
            { iBit--; }
            if ((gLunarMonthDay[iLunarYear - START_YEAR] & (1 << iBit)) > 0)
            { Low++; }
            if (iLunarMonth == GetLeapMonth(iLunarYear))
            {
                if ((gLunarMonthDay[iLunarYear - START_YEAR] & (1 << (iBit - 1))) > 0)
                { Height = 30; }
                else
                { Height = 29; }
            }
            return (uint)((uint)(Low) | (uint)(Height) << 16); //合成为uint
        }

        //返回阴历iLunarYear年的总天数 1901年1月---2050年12月
        public int LunarYearDays(ushort iLunarYear)
        {
            int Days;
            uint tmp;
            if ((iLunarYear < START_YEAR) || (iLunarYear > END_YEAR))
            { return 0; };
            Days = 0;
            for (ushort i = 1; i <= 12; i++)
            {
                tmp = LunarMonthDays(iLunarYear, i);
                Days = Days + ((ushort)(tmp >> 16) & 0xFFFF); //取高位
                Days = Days + (ushort)(tmp); //取低位
            }
            return Days;
        }

        //计算从1901年1月1日过iSpanDays天后的阴历日期
        public void l_CalcLunarDate(out ushort iYear, out ushort iMonth, out ushort iDay, uint iSpanDays)
        {
            uint tmp;
            //阳历1901年2月19日为阴历1901年正月初一
            //阳历1901年1月1日到2月19日共有49天
            if (iSpanDays < 49)
            {
                iYear = START_YEAR - 1;
                if (iSpanDays < 19)
                {
                    iMonth = 11;
                    iDay = (ushort)(11 + iSpanDays);
                }
                else
                {
                    iMonth = 12;
                    iDay = (ushort)(iSpanDays - 18);
                }
                return;
            }
            //下面从阴历1901年正月初一算起
            iSpanDays = iSpanDays - 49;
            iYear = START_YEAR;
            iMonth = 1;
            iDay = 1;
            //计算年
            tmp = (uint)LunarYearDays(iYear);
            while (iSpanDays >= tmp)
            {
                iSpanDays = iSpanDays - tmp;
                iYear++;
                tmp = (uint)LunarYearDays(iYear);
            }
            //计算月
            tmp = LunarMonthDays(iYear, iMonth); //取低位
            while (iSpanDays >= tmp)
            {
                iSpanDays = iSpanDays - tmp;
                if (iMonth == GetLeapMonth(iYear))
                {
                    tmp = (LunarMonthDays(iYear, iMonth) >> 16) & 0xFFFF; //取高位
                    if (iSpanDays < tmp)
                    { break; }
                    iSpanDays = iSpanDays - tmp;
                }
                iMonth++;
                tmp = LunarMonthDays(iYear, iMonth); //取低位
            }
            //计算日
            iDay = (ushort)(iDay + iSpanDays);
        }

        //把iYear年格式化成天干记年法表示的字符串
        public string FormatLunarYear()
        {
            string strYear;
            string szText1 = "甲乙丙丁戊己庚辛壬癸";
            string szText2 = "子丑寅卯辰巳午未申酉戌亥";
            string szText3 = "鼠牛虎免龙蛇马羊猴鸡狗猪";
            ushort iYear;
            iYear = (ushort)(m_Date.Year);
            strYear = szText1.Substring((iYear - 4) % 10, 1);
            strYear = strYear + szText2.Substring((iYear - 4) % 12, 1);
            strYear = strYear + " ";
            strYear = strYear + szText3.Substring((iYear - 4) % 12, 1);
            strYear = strYear + "年";
            return strYear;
        }
    } //class CNDate

    public class Test
    {
        static void Main(string[] args)
        {
            CNDate dt = new CNDate(DateTime.Today);
            Console.WriteLine("今天是:" + dt.Date.ToString() + dt.GetConstellationName());
            Console.WriteLine(dt.l_GetLunarHolDay());
            Console.WriteLine(dt.GetLunarHolDay());
            Console.WriteLine("闰月" + dt.GetLeapMonth(UInt16.Parse(args[0])));
            Console.WriteLine("2月的天数" + dt.LunarMonthDays(UInt16.Parse(args[0]), UInt16.Parse(args[1])));
            Console.WriteLine("天数" + dt.LunarYearDays(UInt16.Parse(args[0])));
            Console.WriteLine("" + dt.FormatLunarYear());
            dt.Date = DateTime.Today.AddDays(1);
            Console.WriteLine("明天是:" + dt.Date.ToString() + dt.GetConstellationName());
        }
    } //class Test
}
Contributors: FHL