C#实现万年历(农历、节气、节日、星座、属相、生肖、闰年等)
C# 万年历 农历 节气 节日 星座 星宿 属相 生肖 闰年月 时辰等，代码如下：
调用：using System.Collections.Generic; using System.Text; using System; namespace yangliToyinli { #region ChineseCalendarException /// <summary> /// 中国日历异常处理 /// </summary> public class ChineseCalendarException : System.Exception { public ChineseCalendarException( string msg) : base(msg) { } } #endregion /// <summary> /// 中国农历类 版本V1.0 支持 1900.1.31日起至 2049.12.31日止的数据 /// </summary> /// <remarks> /// 本程序使用数据来源于网上的万年历查询，并综合了一些其它数据 /// </remarks> public class ChineseCalendar { #region 内部结构 private struct SolarHolidayStruct { public int Month; public int Day; public int Recess; // 假期长度 public string HolidayName; public SolarHolidayStruct( int month, int day, int recess, string name) { Month = month; Day = day; Recess = recess; HolidayName = name; } } private struct LunarHolidayStruct { public int Month; public int Day; public int Recess; public string HolidayName; public LunarHolidayStruct( int month, int day, int recess, string name) { Month = month; Day = day; Recess = recess; HolidayName = name; } } private struct WeekHolidayStruct { public int Month; public int WeekAtMonth; public int WeekDay; public string HolidayName; public WeekHolidayStruct( int month, int weekAtMonth, int weekDay, string name) { Month = month; WeekAtMonth = weekAtMonth; WeekDay = weekDay; HolidayName = name; } } #endregion #region 内部变量 private DateTime _date; private DateTime _datetime; private int _cYear; private int _cMonth; private int _cDay; private bool _cIsLeapMonth; // 当月是否闰月 private bool _cIsLeapYear; // 当年是否有闰月 #endregion #region 基础数据 #region 基本常量 private const int MinYear = 1900; private const int MaxYear = 2050; private static DateTime MinDay = new DateTime( 1900, 1, 30); private static DateTime MaxDay = new DateTime( 2049, 12, 31); private const int GanZhiStartYear = 1864; // 干支计算起始年 private static DateTime GanZhiStartDay = new DateTime( 1899, 12, 22); // 起始日 private const string HZNum = " 零一二三四五六七八九 "; private const int AnimalStartYear = 1900; // 1900年为鼠年 private static DateTime ChineseConstellationReferDay = new DateTime( 2007, 9, 13); // 28星宿参考值,本日为角 #endregion #region 阴历数据 /// <summary> /// 来源于网上的农历数据 /// </summary> /// <remarks> /// 数据结构如下，共使用17位数据 /// 第17位：表示闰月天数，0表示29天 1表示30天 /// 第16位-第5位（共12位）表示12个月，其中第16位表示第一月，如果该月为30天则为1，29天为0 /// 第4位-第1位（共4位）表示闰月是哪个月，如果当年没有闰月，则置0 /// </remarks> private static int[] LunarDateArray = new int[]{ x04BD8, 0x04AE0, 0x0A570, 0x054D5, 0x0D260, 0x0D950, 0x16554, 0x056A0, 0x09AD0, 0x055D2, x04AE0, 0x0A5B6, 0x0A4D0, 0x0D250, 0x1D255, 0x0B540, 0x0D6A0, 0x0ADA2, 0x095B0, 0x14977, x04970, 0x0A4B0, 0x0B4B5, 0x06A50, 0x06D40, 0x1AB54, 0x02B60, 0x09570, 0x052F2, 0x04970, x06566, 0x0D4A0, 0x0EA50, 0x06E95, 0x05AD0, 0x02B60, 0x186E3, 0x092E0, 0x1C8D7, 0x0C950, x0D4A0, 0x1D8A6, 0x0B550, 0x056A0, 0x1A5B4, 0x025D0, 0x092D0, 0x0D2B2, 0x0A950, 0x0B557, x06CA0, 0x0B550, 0x15355, 0x04DA0, 0x0A5B0, 0x14573, 0x052B0, 0x0A9A8, 0x0E950, 0x06AA0, x0AEA6, 0x0AB50, 0x04B60, 0x0AAE4, 0x0A570, 0x05260, 0x0F263, 0x0D950, 0x05B57, 0x056A0, x096D0, 0x04DD5, 0x04AD0, 0x0A4D0, 0x0D4D4, 0x0D250, 0x0D558, 0x0B540, 0x0B6A0, 0x195A6, x095B0, 0x049B0, 0x0A974, 0x0A4B0, 0x0B27A, 0x06A50, 0x06D40, 0x0AF46, 0x0AB60, 0x09570, x04AF5, 0x04970, 0x064B0, 0x074A3, 0x0EA50, 0x06B58, 0x055C0, 0x0AB60, 0x096D5, 0x092E0, x0C960, 0x0D954, 0x0D4A0, 0x0DA50, 0x07552, 0x056A0, 0x0ABB7, 0x025D0, 0x092D0, 0x0CAB5, x0A950, 0x0B4A0, 0x0BAA4, 0x0AD50, 0x055D9, 0x04BA0, 0x0A5B0, 0x15176, 0x052B0, 0x0A930, x07954, 0x06AA0, 0x0AD50, 0x05B52, 0x04B60, 0x0A6E6, 0x0A4E0, 0x0D260, 0x0EA65, 0x0D530, x05AA0, 0x076A3, 0x096D0, 0x04BD7, 0x04AD0, 0x0A4D0, 0x1D0B6, 0x0D250, 0x0D520, 0x0DD45, x0B5A0, 0x056D0, 0x055B2, 0x049B0, 0x0A577, 0x0A4B0, 0x0AA50, 0x1B255, 0x06D20, 0x0ADA0, x14B63 }; #endregion #region 星座名称 private static 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 " }; #endregion #region 二十四节气 private static string[] _lunarHolidayName = { " 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 " }; #endregion #region 二十八星宿 private static string[] _chineseConstellationName = { // 四 五 六 日 一 二 三 " 角木蛟 ", " 亢金龙 ", " 女土蝠 ", " 房日兔 ", " 心月狐 ", " 尾火虎 ", " 箕水豹 ", " 斗木獬 ", " 牛金牛 ", " 氐土貉 ", " 虚日鼠 ", " 危月燕 ", " 室火猪 ", " 壁水獝 ", " 奎木狼 ", " 娄金狗 ", " 胃土彘 ", " 昴日鸡 ", " 毕月乌 ", " 觜火猴 ", " 参水猿 ", " 井木犴 ", " 鬼金羊 ", " 柳土獐 ", " 星日马 ", " 张月鹿 ", " 翼火蛇 ", " 轸水蚓 " }; #endregion #region 节气数据 private static string[] SolarTerm = new string[] { " 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 " }; private static int[] sTermInfo = new int[] { 0, 21208, 42467, 63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758 }; #endregion #region 农历相关数据 private static string ganStr = " 甲乙丙丁戊己庚辛壬癸 "; private static string zhiStr = " 子丑寅卯辰巳午未申酉戌亥 "; private static string animalStr = " 鼠牛虎兔龙蛇马羊猴鸡狗猪 "; private static string nStr1 = " 日一二三四五六七八九 "; private static string nStr2 = " 初十廿卅 "; private static string[] _monthString = { " 出错 ", " 正月 ", " 二月 ", " 三月 ", " 四月 ", " 五月 ", " 六月 ", " 七月 ", " 八月 ", " 九月 ", " 十月 ", " 十一月 ", " 腊月 " }; #endregion #region 按公历计算的节日 private static SolarHolidayStruct[] sHolidayInfo = new SolarHolidayStruct[]{ new SolarHolidayStruct( 1, 1, 1, " 元旦 "), new SolarHolidayStruct( 2, 2, 0, " 世界湿地日 "), new SolarHolidayStruct( 2, 10, 0, " 国际气象节 "), new SolarHolidayStruct( 2, 14, 0, " 情人节 "), new SolarHolidayStruct( 3, 1, 0, " 国际海豹日 "), new SolarHolidayStruct( 3, 5, 0, " 学雷锋纪念日 "), new SolarHolidayStruct( 3, 8, 0, " 妇女节 "), new SolarHolidayStruct( 3, 12, 0, " 植树节 孙中山逝世纪念日 "), new SolarHolidayStruct( 3, 14, 0, " 国际警察日 "), new SolarHolidayStruct( 3, 15, 0, " 消费者权益日 "), new SolarHolidayStruct( 3, 17, 0, " 中国国医节 国际航海日 "), new SolarHolidayStruct( 3, 21, 0, " 世界森林日 消除种族歧视国际日 世界儿歌日 "), new SolarHolidayStruct( 3, 22, 0, " 世界水日 "), new SolarHolidayStruct( 3, 24, 0, " 世界防治结核病日 "), new SolarHolidayStruct( 4, 1, 0, " 愚人节 "), new SolarHolidayStruct( 4, 7, 0, " 世界卫生日 "), new SolarHolidayStruct( 4, 22, 0, " 世界地球日 "), new SolarHolidayStruct( 5, 1, 1, " 劳动节 "), new SolarHolidayStruct( 5, 2, 1, " 劳动节假日 "), new SolarHolidayStruct( 5, 3, 1, " 劳动节假日 "), new SolarHolidayStruct( 5, 4, 0, " 青年节 "), new SolarHolidayStruct( 5, 8, 0, " 世界红十字日 "), new SolarHolidayStruct( 5, 12, 0, " 国际护士节 "), new SolarHolidayStruct( 5, 31, 0, " 世界无烟日 "), new SolarHolidayStruct( 6, 1, 0, " 国际儿童节 "), new SolarHolidayStruct( 6, 5, 0, " 世界环境保护日 "), new SolarHolidayStruct( 6, 26, 0, " 国际禁毒日 "), new SolarHolidayStruct( 7, 1, 0, " 建党节 香港回归纪念 世界建筑日 "), new SolarHolidayStruct( 7, 11, 0, " 世界人口日 "), new SolarHolidayStruct( 8, 1, 0, " 建军节 "), new SolarHolidayStruct( 8, 8, 0, " 中国男子节 父亲节 "), new SolarHolidayStruct( 8, 15, 0, " 抗日战争胜利纪念 "), new SolarHolidayStruct( 9, 9, 0, " 逝世纪念 "), new SolarHolidayStruct( 9, 10, 0, " 教师节 "), new SolarHolidayStruct( 9, 18, 0, " 九·一八事变纪念日 "), new SolarHolidayStruct( 9, 20, 0, " 国际爱牙日 "), new SolarHolidayStruct( 9, 27, 0, " 世界旅游日 "), new SolarHolidayStruct( 9, 28, 0, " 孔子诞辰 "), new SolarHolidayStruct( 10, 1, 1, " 国庆节 国际音乐日 "), new SolarHolidayStruct( 10, 2, 1, " 国庆节假日 "), new SolarHolidayStruct( 10, 3, 1, " 国庆节假日 "), new SolarHolidayStruct( 10, 6, 0, " 老人节 "), new SolarHolidayStruct( 10, 24, 0, " 联合国日 "), new SolarHolidayStruct( 11, 10, 0, " 世界青年节 "), new SolarHolidayStruct( 11, 12, 0, " 孙中山诞辰纪念 "), new SolarHolidayStruct( 12, 1, 0, " 世界艾滋病日 "), new SolarHolidayStruct( 12, 3, 0, " 世界残疾人日 "), new SolarHolidayStruct( 12, 20, 0, " 澳门回归纪念 "), new SolarHolidayStruct( 12, 24, 0, " 平安夜 "), new SolarHolidayStruct( 12, 25, 0, " 圣诞节 "), new SolarHolidayStruct( 12, 26, 0, " 诞辰纪念 ") }; #endregion #region 按农历计算的节日 private static LunarHolidayStruct[] lHolidayInfo = new LunarHolidayStruct[]{ new LunarHolidayStruct( 1, 1, 1, " 春节 "), new LunarHolidayStruct( 1, 15, 0, " 元宵节 "), new LunarHolidayStruct( 5, 5, 0, " 端午节 "), new LunarHolidayStruct( 7, 7, 0, " 七夕情人节 "), new LunarHolidayStruct( 7, 15, 0, " 中元节 盂兰盆节 "), new LunarHolidayStruct( 8, 15, 0, " 中秋节 "), new LunarHolidayStruct( 9, 9, 0, " 重阳节 "), new LunarHolidayStruct( 12, 8, 0, " 腊八节 "), new LunarHolidayStruct( 12, 23, 0, " 北方小年(扫房) "), new LunarHolidayStruct( 12, 24, 0, " 南方小年(掸尘) "), // new LunarHolidayStruct(12, 30, 0, "除夕") // 注意除夕需要其它方法进行计算 }; #endregion #region 按某月第几个星期几 private static WeekHolidayStruct[] wHolidayInfo = new WeekHolidayStruct[]{ new WeekHolidayStruct( 5, 2, 1, " 母亲节 "), new WeekHolidayStruct( 5, 3, 1, " 全国助残日 "), new WeekHolidayStruct( 6, 3, 1, " 父亲节 "), new WeekHolidayStruct( 9, 3, 3, " 国际和平日 "), new WeekHolidayStruct( 9, 4, 1, " 国际聋人节 "), new WeekHolidayStruct( 10, 1, 2, " 国际住房日 "), new WeekHolidayStruct( 10, 1, 4, " 国际减轻自然灾害日 "), new WeekHolidayStruct( 11, 4, 5, " 感恩节 ") }; #endregion #endregion #region 构造函数 #region ChinaCalendar <公历日期初始化> /// <summary> /// 用一个标准的公历日期来初使化 /// </summary> /// <param name="dt"></param> public ChineseCalendar(DateTime dt) { int i; int leap; int temp; int offset; CheckDateLimit(dt); _date = dt.Date; _datetime = dt; // 农历日期计算部分 leap = 0; temp = 0; TimeSpan ts = _date - ChineseCalendar.MinDay; // 计算两天的基本差距 offset = ts.Days; for (i = MinYear; i <= MaxYear; i++) { temp = GetChineseYearDays(i); // 求当年农历年天数 if (offset - temp < 1) break; else { offset = offset - temp; } } _cYear = i; leap = GetChineseLeapMonth(_cYear); // 计算该年闰哪个月 // 设定当年是否有闰月 if (leap > 0) { _cIsLeapYear = true; } else { _cIsLeapYear = false; } _cIsLeapMonth = false; for (i = 1; i <= 12; i++) { // 闰月 if ((leap > 0) && (i == leap + 1) && (_cIsLeapMonth == false)) { _cIsLeapMonth = true; i = i - 1; temp = GetChineseLeapMonthDays(_cYear); // 计算闰月天数 } else { _cIsLeapMonth = false; temp = GetChineseMonthDays(_cYear, i); // 计算非闰月天数 } offset = offset - temp; if (offset <= 0) break; } offset = offset + temp; _cMonth = i; _cDay = offset; } #endregion #region ChinaCalendar <农历日期初始化> /// <summary> /// 用农历的日期来初使化 /// </summary> /// <param name="cy"> 农历年 </param> /// <param name="cm"> 农历月 </param> /// <param name="cd"> 农历日 </param> /// <param name="LeapFlag"> 闰月标志 </param> public ChineseCalendar( int cy, int cm, int cd, bool leapMonthFlag) { int i, leap, Temp, offset; CheckChineseDateLimit(cy, cm, cd, leapMonthFlag); _cYear = cy; _cMonth = cm; _cDay = cd; offset = 0; for (i = MinYear; i < cy; i++) { Temp = GetChineseYearDays(i); // 求当年农历年天数 offset = offset + Temp; } leap = GetChineseLeapMonth(cy); // 计算该年应该闰哪个月 if (leap != 0) { this._cIsLeapYear = true; } else { this._cIsLeapYear = false; } if (cm != leap) { _cIsLeapMonth = false; // 当前日期并非闰月 } else { _cIsLeapMonth = leapMonthFlag; // 使用用户输入的是否闰月月份 } if ((_cIsLeapYear == false) || // 当年没有闰月 (cm < leap)) // 计算月份小于闰月 { #region ... for (i = 1; i < cm; i++) { Temp = GetChineseMonthDays(cy, i); // 计算非闰月天数 offset = offset + Temp; } // 检查日期是否大于最大天 if (cd > GetChineseMonthDays(cy, cm)) { throw new ChineseCalendarException( " 不合法的农历日期 "); } offset = offset + cd; // 加上当月的天数 #endregion } else // 是闰年，且计算月份大于或等于闰月 { #region ... for (i = 1; i < cm; i++) { Temp = GetChineseMonthDays(cy, i); // 计算非闰月天数 offset = offset + Temp; } if (cm > leap) // 计算月大于闰月 { Temp = GetChineseLeapMonthDays(cy); // 计算闰月天数 offset = offset + Temp; // 加上闰月天数 if (cd > GetChineseMonthDays(cy, cm)) { throw new ChineseCalendarException( " 不合法的农历日期 "); } offset = offset + cd; } else // 计算月等于闰月 { // 如果需要计算的是闰月，则应首先加上与闰月对应的普通月的天数 if ( this._cIsLeapMonth == true) // 计算月为闰月 { Temp = GetChineseMonthDays(cy, cm); // 计算非闰月天数 offset = offset + Temp; } if (cd > GetChineseLeapMonthDays(cy)) { throw new ChineseCalendarException( " 不合法的农历日期 "); } offset = offset + cd; } #endregion } _date = MinDay.AddDays(offset); } #endregion #endregion #region 私有函数 #region GetChineseMonthDays // 传回农历 y年m月的总天数 private int GetChineseMonthDays( int year, int month) { if (BitTest32((LunarDateArray[year - MinYear] & 0x0000FFFF), ( 16 - month))) { return 30; } else { return 29; } } #endregion #region GetChineseLeapMonth // 传回农历 y年闰哪个月 1-12 , 没闰传回 0 private int GetChineseLeapMonth( int year) { return LunarDateArray[year - MinYear] & 0xF; } #endregion #region GetChineseLeapMonthDays // 传回农历 y年闰月的天数 private int GetChineseLeapMonthDays( int year) { if (GetChineseLeapMonth(year) != 0) { if ((LunarDateArray[year - MinYear] & 0x10000) != 0) { return 30; } else { return 29; } } else { return 0; } } #endregion #region GetChineseYearDays /// <summary> /// 取农历年一年的天数 /// </summary> /// <param name="year"></param> /// <returns></returns> private int GetChineseYearDays( int year) { int i, f, sumDay, info; sumDay = 348; // 29天 X 12个月 i = 0x8000; info = LunarDateArray[year - MinYear] & 0x0FFFF; // 计算12个月中有多少天为30天 for ( int m = 0; m < 12; m++) { f = info & i; if (f != 0) { sumDay++; } i = i >> 1; } return sumDay + GetChineseLeapMonthDays(year); } #endregion #region GetChineseHour /// <summary> /// 获得当前时间的时辰 /// </summary> /// <param name="time"></param> /// <returns></returns> /// private string GetChineseHour(DateTime dt) { int _hour, _minute, offset, i; int indexGan; string ganHour, zhiHour; string tmpGan; // 计算时辰的地支 _hour = dt.Hour; // 获得当前时间小时 _minute = dt.Minute; // 获得当前时间分钟 if (_minute != 0) _hour += 1; offset = _hour / 2; if (offset >= 12) offset = 0; // zhiHour = zhiStr[offset].ToString(); // 计算天干 TimeSpan ts = this._date - GanZhiStartDay; i = ts.Days % 60; indexGan = ((i % 10 + 1) * 2 - 1) % 10 - 1; // ganStr[i % 10] 为日的天干,(n*2-1) %10得出地支对应,n从1开始 tmpGan = ganStr.Substring(indexGan) + ganStr.Substring( 0, indexGan + 2); // 凑齐12位 // ganHour = ganStr[((i % 10 + 1) * 2 - 1) % 10 - 1].ToString(); return tmpGan[offset].ToString() + zhiStr[offset].ToString(); } #endregion #region CheckDateLimit /// <summary> /// 检查公历日期是否符合要求 /// </summary> /// <param name="dt"></param> private void CheckDateLimit(DateTime dt) { if ((dt < MinDay) || (dt > MaxDay)) { throw new ChineseCalendarException( " 超出可转换的日期 "); } } #endregion #region CheckChineseDateLimit /// <summary> /// 检查农历日期是否合理 /// </summary> /// <param name="year"></param> /// <param name="month"></param> /// <param name="day"></param> /// <param name="leapMonth"></param> private void CheckChineseDateLimit( int year, int month, int day, bool leapMonth) { if ((year < MinYear) || (year > MaxYear)) { throw new ChineseCalendarException( " 非法农历日期 "); } if ((month < 1) || (month > 12)) { throw new ChineseCalendarException( " 非法农历日期 "); } if ((day < 1) || (day > 30)) // 中国的月最多30天 { throw new ChineseCalendarException( " 非法农历日期 "); } int leap = GetChineseLeapMonth(year); // 计算该年应该闰哪个月 if ((leapMonth == true) && (month != leap)) { throw new ChineseCalendarException( " 非法农历日期 "); } } #endregion #region ConvertNumToChineseNum /// <summary> /// 将0-9转成汉字形式 /// </summary> /// <param name="n"></param> /// <returns></returns> private string ConvertNumToChineseNum( char n) { if ((n < ' 0 ') || (n > ' 9 ')) return ""; switch (n) { case ' 0 ': return HZNum[ 0].ToString(); case ' 1 ': return HZNum[ 1].ToString(); case ' 2 ': return HZNum[ 2].ToString(); case ' 3 ': return HZNum[ 3].ToString(); case ' 4 ': return HZNum[ 4].ToString(); case ' 5 ': return HZNum[ 5].ToString(); case ' 6 ': return HZNum[ 6].ToString(); case ' 7 ': return HZNum[ 7].ToString(); case ' 8 ': return HZNum[ 8].ToString(); case ' 9 ': return HZNum[ 9].ToString(); default: return ""; } } #endregion #region BitTest32 /// <summary> /// 测试某位是否为真 /// </summary> /// <param name="num"></param> /// <param name="bitpostion"></param> /// <returns></returns> private bool BitTest32( int num, int bitpostion) { if ((bitpostion > 31) || (bitpostion < 0)) throw new Exception( " Error Param: bitpostion[0-31]: " + bitpostion.ToString()); int bit = 1 << bitpostion; if ((num & bit) == 0) { return false; } else { return true; } } #endregion #region ConvertDayOfWeek /// <summary> /// 将星期几转成数字表示 /// </summary> /// <param name="dayOfWeek"></param> /// <returns></returns> private int ConvertDayOfWeek(DayOfWeek dayOfWeek) { switch (dayOfWeek) { case DayOfWeek.Sunday: return 1; case DayOfWeek.Monday: return 2; case DayOfWeek.Tuesday: return 3; case DayOfWeek.Wednesday: return 4; case DayOfWeek.Thursday: return 5; case DayOfWeek.Friday: return 6; case DayOfWeek.Saturday: return 7; default: return 0; } } #endregion #region CompareWeekDayHoliday /// <summary> /// 比较当天是不是指定的第周几 /// </summary> /// <param name="date"></param> /// <param name="month"></param> /// <param name="week"></param> /// <param name="day"></param> /// <returns></returns> private bool CompareWeekDayHoliday(DateTime date, int month, int week, int day) { bool ret = false; if (date.Month == month) // 月份相同 { if (ConvertDayOfWeek(date.DayOfWeek) == day) // 星期几相同 { DateTime firstDay = new DateTime(date.Year, date.Month, 1); // 生成当月第一天 int i = ConvertDayOfWeek(firstDay.DayOfWeek); int firWeekDays = 7 - ConvertDayOfWeek(firstDay.DayOfWeek) + 1; // 计算第一周剩余天数 if (i > day) { if ((week - 1) * 7 + day + firWeekDays == date.Day) { ret = true; } } else { if (day + firWeekDays + (week - 2) * 7 == date.Day) { ret = true; } } } } return ret; } #endregion #endregion #region 属性 #region 节日 #region ChineseCalendarHoliday /// <summary> /// 计算中国农历节日 /// </summary> public string ChineseCalendarHoliday { get { string tempStr = ""; if ( this._cIsLeapMonth == false) // 闰月不计算节日 { foreach (LunarHolidayStruct lh in lHolidayInfo) { if ((lh.Month == this._cMonth) && (lh.Day == this._cDay)) { tempStr = lh.HolidayName; break; } } // 对除夕进行特别处理 if ( this._cMonth == 12) { int i = GetChineseMonthDays( this._cYear, 12); // 计算当年农历12月的总天数 if ( this._cDay == i) // 如果为最后一天 { tempStr = " 除夕 "; } } } return tempStr; } } #endregion #region WeekDayHoliday /// <summary> /// 按某月第几周第几日计算的节日 /// </summary> public string WeekDayHoliday { get { string tempStr = ""; foreach (WeekHolidayStruct wh in wHolidayInfo) { if (CompareWeekDayHoliday(_date, wh.Month, wh.WeekAtMonth, wh.WeekDay)) { tempStr = wh.HolidayName; break; } } return tempStr; } } #endregion #region DateHoliday /// <summary> /// 按公历日计算的节日 /// </summary> public string DateHoliday { get { string tempStr = ""; foreach (SolarHolidayStruct sh in sHolidayInfo) { if ((sh.Month == _date.Month) && (sh.Day == _date.Day)) { tempStr = sh.HolidayName; break; } } return tempStr; } } #endregion #endregion #region 公历日期 #region Date /// <summary> /// 取对应的公历日期 /// </summary> public DateTime Date { get { return _date; } set { _date = value; } } #endregion #region WeekDay /// <summary> /// 取星期几 /// </summary> public DayOfWeek WeekDay { get { return _date.DayOfWeek; } } #endregion #region WeekDayStr /// <summary> /// 周几的字符 /// </summary> public string WeekDayStr { get { switch (_date.DayOfWeek) { case DayOfWeek.Sunday: return " 星期日 "; case DayOfWeek.Monday: return " 星期一 "; case DayOfWeek.Tuesday: return " 星期二 "; case DayOfWeek.Wednesday: return " 星期三 "; case DayOfWeek.Thursday: return " 星期四 "; case DayOfWeek.Friday: return " 星期五 "; default: return " 星期六 "; } } } #endregion #region DateString /// <summary> /// 公历日期中文表示法 如一九九七年七月一日 /// </summary> public string DateString { get { return " 公元 " + this._date.ToLongDateString(); } } #endregion #region IsLeapYear /// <summary> /// 当前是否公历闰年 /// </summary> public bool IsLeapYear { get { return DateTime.IsLeapYear( this._date.Year); } } #endregion #region ChineseConstellation /// <summary> /// 28星宿计算 /// </summary> public string ChineseConstellation { get { int offset = 0; int modStarDay = 0; TimeSpan ts = this._date - ChineseConstellationReferDay; offset = ts.Days; modStarDay = offset % 28; return (modStarDay >= 0 ? _chineseConstellationName[modStarDay] : _chineseConstellationName[ 27 + modStarDay]); } } #endregion #region ChineseHour /// <summary> /// 时辰 /// </summary> public string ChineseHour { get { return GetChineseHour(_datetime); } } #endregion #endregion #region 农历日期 #region IsChineseLeapMonth /// <summary> /// 是否闰月 /// </summary> public bool IsChineseLeapMonth { get { return this._cIsLeapMonth; } } #endregion #region IsChineseLeapYear /// <summary> /// 当年是否有闰月 /// </summary> public bool IsChineseLeapYear { get { return this._cIsLeapYear; } } #endregion #region ChineseDay /// <summary> /// 农历日 /// </summary> public int ChineseDay { get { return this._cDay; } } #endregion #region ChineseDayString /// <summary> /// 农历日中文表示 /// </summary> public string ChineseDayString { get { switch ( this._cDay) { case 0: return ""; case 10: return " 初十 "; case 20: return " 二十 "; case 30: return " 三十 "; default: return nStr2[( int)(_cDay / 10)].ToString() + nStr1[_cDay % 10].ToString(); } } } #endregion #region ChineseMonth /// <summary> /// 农历的月份 /// </summary> public int ChineseMonth { get { return this._cMonth; } } #endregion #region ChineseMonthString /// <summary> /// 农历月份字符串 /// </summary> public string ChineseMonthString { get { return _monthString[ this._cMonth]; } } #endregion #region ChineseYear /// <summary> /// 取农历年份 /// </summary> public int ChineseYear { get { return this._cYear; } } #endregion #region ChineseYearString /// <summary> /// 取农历年字符串如，一九九七年 /// </summary> public string ChineseYearString { get { string tempStr = ""; string num = this._cYear.ToString(); for ( int i = 0; i < 4; i++) { tempStr += ConvertNumToChineseNum(num[i]); } return tempStr + " 年 "; } } #endregion #region ChineseDateString /// <summary> /// 取农历日期表示法：农历一九九七年正月初五 /// </summary> public string ChineseDateString { get { if ( this._cIsLeapMonth == true) { return " 农历 " + ChineseYearString + " 闰 " + ChineseMonthString + ChineseDayString; } else { return " 农历 " + ChineseYearString + ChineseMonthString + ChineseDayString; } } } #endregion #region ChineseTwentyFourDay /// <summary> /// 定气法计算二十四节气,二十四节气是按地球公转来计算的，并非是阴历计算的 /// </summary> /// <remarks> /// 节气的定法有两种。古代历法采用的称为"恒气"，即按时间把一年等分为24份， /// 每一节气平均得15天有余，所以又称"平气"。现代农历采用的称为"定气"，即 /// 按地球在轨道上的位置为标准，一周360°，两节气之间相隔15°。由于冬至时地 /// 球位于近日点附近，运动速度较快，因而太阳在黄道上移动15°的时间不到15天。 /// 夏至前后的情况正好相反，太阳在黄道上移动较慢，一个节气达16天之多。采用 /// 定气时可以保证春、秋两分必然在昼夜平分的那两天。 /// </remarks> public string ChineseTwentyFourDay { get { DateTime baseDateAndTime = new DateTime( 1900, 1, 6, 2, 5, 0); // #1/6/1900 2:05:00 AM# DateTime newDate; double num; int y; string tempStr = ""; y = this._date.Year; for ( int i = 1; i <= 24; i++) { num = 525948.76 * (y - 1900) + sTermInfo[i - 1]; newDate = baseDateAndTime.AddMinutes(num); // 按分钟计算 if (newDate.DayOfYear == _date.DayOfYear) { tempStr = SolarTerm[i - 1]; break; } } return tempStr; } } // 当前日期前一个最近节气 public string ChineseTwentyFourPrevDay { get { DateTime baseDateAndTime = new DateTime( 1900, 1, 6, 2, 5, 0); // #1/6/1900 2:05:00 AM# DateTime newDate; double num; int y; string tempStr = ""; y = this._date.Year; for ( int i = 24; i >= 1; i--) { num = 525948.76 * (y - 1900) + sTermInfo[i - 1]; newDate = baseDateAndTime.AddMinutes(num); // 按分钟计算 if (newDate.DayOfYear < _date.DayOfYear) { tempStr = string.Format( " {0}[{1}] ", SolarTerm[i - 1], newDate.ToString( " yyyy-MM-dd ")); break; } } return tempStr; } } // 当前日期后一个最近节气 public string ChineseTwentyFourNextDay { get { DateTime baseDateAndTime = new DateTime( 1900, 1, 6, 2, 5, 0); // #1/6/1900 2:05:00 AM# DateTime newDate; double num; int y; string tempStr = ""; y = this._date.Year; for ( int i = 1; i <= 24; i++) { num = 525948.76 * (y - 1900) + sTermInfo[i - 1]; newDate = baseDateAndTime.AddMinutes(num); // 按分钟计算 if (newDate.DayOfYear > _date.DayOfYear) { tempStr = string.Format( " {0}[{1}] ", SolarTerm[i - 1], newDate.ToString( " yyyy-MM-dd ")); break; } } return tempStr; } } #endregion #endregion #region 星座 #region Constellation /// <summary> /// 计算指定日期的星座序号 /// </summary> /// <returns></returns> public string Constellation { get { int index = 0; int y, m, d; y = _date.Year; m = _date.Month; d = _date.Day; y = m * 100 + d; if (((y >= 321) && (y <= 419))) { index = 0; } else if ((y >= 420) && (y <= 520)) { index = 1; } else if ((y >= 521) && (y <= 620)) { index = 2; } else if ((y >= 621) && (y <= 722)) { index = 3; } else if ((y >= 723) && (y <= 822)) { index = 4; } else if ((y >= 823) && (y <= 922)) { index = 5; } else if ((y >= 923) && (y <= 1022)) { index = 6; } else if ((y >= 1023) && (y <= 1121)) { index = 7; } else if ((y >= 1122) && (y <= 1221)) { index = 8; } else if ((y >= 1222) || (y <= 119)) { index = 9; } else if ((y >= 120) && (y <= 218)) { index = 10; } else if ((y >= 219) && (y <= 320)) { index = 11; } else { index = 0; } return _constellationName[index]; } } #endregion #endregion #region 属相 #region Animal /// <summary> /// 计算属相的索引，注意虽然属相是以农历年来区别的，但是目前在实际使用中是按公历来计算的 /// 鼠年为1,其它类推 /// </summary> public int Animal { get { int offset = _date.Year - AnimalStartYear; return (offset % 12) + 1; } } #endregion #region AnimalString /// <summary> /// 取属相字符串 /// </summary> public string AnimalString { get { int offset = _date.Year - AnimalStartYear; // 阳历计算 // int offset = this._cYear - AnimalStartYear; 农历计算 return animalStr[offset % 12].ToString(); } } #endregion #endregion #region 天干地支 #region GanZhiYearString /// <summary> /// 取农历年的干支表示法如 乙丑年 /// </summary> public string GanZhiYearString { get { string tempStr; int i = ( this._cYear - GanZhiStartYear) % 60; // 计算干支 tempStr = ganStr[i % 10].ToString() + zhiStr[i % 12].ToString() + " 年 "; return tempStr; } } #endregion #region GanZhiMonthString /// <summary> /// 取干支的月表示字符串，注意农历的闰月不记干支 /// </summary> public string GanZhiMonthString { get { // 每个月的地支总是固定的,而且总是从寅月开始 int zhiIndex; string zhi; if ( this._cMonth > 10) { zhiIndex = this._cMonth - 10; } else { zhiIndex = this._cMonth + 2; } zhi = zhiStr[zhiIndex - 1].ToString(); // 根据当年的干支年的干来计算月干的第一个 int ganIndex = 1; string gan; int i = ( this._cYear - GanZhiStartYear) % 60; // 计算干支 switch (i % 10) { #region ... case 0: // 甲 ganIndex = 3; break; case 1: // 乙 ganIndex = 5; break; case 2: // 丙 ganIndex = 7; break; case 3: // 丁 ganIndex = 9; break; case 4: // 戊 ganIndex = 1; break; case 5: // 己 ganIndex = 3; break; case 6: // 庚 ganIndex = 5; break; case 7: // 辛 ganIndex = 7; break; case 8: // 壬 ganIndex = 9; break; case 9: // 癸 ganIndex = 1; break; #endregion } gan = ganStr[(ganIndex + this._cMonth - 2) % 10].ToString(); return gan + zhi + " 月 "; } } #endregion #region GanZhiDayString /// <summary> /// 取干支日表示法 /// </summary> public string GanZhiDayString { get { int i, offset; TimeSpan ts = this._date - GanZhiStartDay; offset = ts.Days; i = offset % 60; return ganStr[i % 10].ToString() + zhiStr[i % 12].ToString() + " 日 "; } } #endregion #region GanZhiDateString /// <summary> /// 取当前日期的干支表示法如 甲子年乙丑月丙庚日 /// </summary> public string GanZhiDateString { get { return GanZhiYearString + GanZhiMonthString + GanZhiDayString; } } #endregion #endregion #endregion #region 方法 #region NextDay /// <summary> /// 取下一天 /// </summary> /// <returns></returns> public ChineseCalendar NextDay() { DateTime nextDay = _date.AddDays( 1); return new ChineseCalendar(nextDay); } #endregion #region PervDay /// <summary> /// 取前一天 /// </summary> /// <returns></returns> public ChineseCalendar PervDay() { DateTime pervDay = _date.AddDays(- 1); return new ChineseCalendar(pervDay); } #endregion #endregion } }
结果：DateTime dt = DateTime.Now; ChineseCalendar cc = new ChineseCalendar(dt); Console.WriteLine( " 阳历： " + cc.DateString); Console.WriteLine( " 属相： " + cc.AnimalString); Console.WriteLine( " 农历： " + cc.ChineseDateString); Console.WriteLine( " 时辰： " + cc.ChineseHour); Console.WriteLine( " 节气： " + cc.ChineseTwentyFourDay); Console.WriteLine( " 节日： " + cc.DateHoliday); Console.WriteLine( " 前一个节气： " + cc.ChineseTwentyFourPrevDay); Console.WriteLine( " 后一个节气： " + cc.ChineseTwentyFourNextDay); Console.WriteLine( " 干支： " + cc.GanZhiDateString); Console.WriteLine( " 星期： " + cc.WeekDayStr); Console.WriteLine( " 星宿： " + cc.ChineseConstellation); Console.WriteLine( " 星座： " + cc.Constellation);
阳历：公元2013年1月27日 属相：蛇 农历：农历二零一二年腊月十六 时辰：庚申 节气： 节日： 前一个节气：大寒[2013-01-20] 后一个节气：立春[2013-02-03] 干支：壬辰年癸丑月癸巳日 星期：星期日 星宿：房日兔 星座：水瓶座
作者：txw1958