private void button1_Click(object sender, EventArgs e) {DateTime nDate = Convert.ToDateTime(dateTimePicker1.Text); //當前需要轉換的日期string jrDate = ChinaDate.GetChinaHoliday(nDate); //獲取農歷節日string jrMonth = ChinaDate.GetMonth(nDate); //獲取農歷月份string jrDay = ChinaDate.GetDay(nDate); //獲取農歷日期 DateTime jrSDate = ChinaDate.GetSunYearDate(nDate); //陽歷轉陰歷 string[] weekdays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };string week = weekdays[Convert.ToInt32(nDate.DayOfWeek)];this.textBox1.Text = jrSDate.ToString(); }/// <summary>/// 農歷與陰歷之間相互轉化工具類/// </summary>public class ChinaDate{#region 農歷信息獲取private static ChineseLunisolarCalendar china = new ChineseLunisolarCalendar();private static Hashtable gHoliday = new Hashtable();private static Hashtable nHoliday = new Hashtable();private static string[] JQ = { "小寒", "大寒", "立春", "雨水", "驚蟄", "春分", "清明", "谷雨", "立夏", "小滿", "芒種", "夏至", "小暑", "大暑", "立秋", "處暑", "白露", "秋分", "寒露", "霜降", "立冬", "小雪", "大雪", "冬至" };private static int[] JQData = { 0, 21208, 43467, 63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224, 483532, 504758 };static ChinaDate(){//公歷節日gHoliday.Add("0101", "元旦");gHoliday.Add("0214", "情人節");gHoliday.Add("0305", "雷鋒日");gHoliday.Add("0308", "婦女節");gHoliday.Add("0312", "植樹節");gHoliday.Add("0315", "消費者權益日");gHoliday.Add("0401", "愚人節");gHoliday.Add("0501", "勞動節");gHoliday.Add("0504", "青年節");gHoliday.Add("0601", "兒童節");gHoliday.Add("0701", "建黨節");gHoliday.Add("0801", "建軍節");gHoliday.Add("0910", "教師節");gHoliday.Add("1001", "國慶節");gHoliday.Add("1224", "平安夜");gHoliday.Add("1225", "圣誕節");//農歷節日nHoliday.Add("0101", "春節");nHoliday.Add("0115", "元宵節");nHoliday.Add("0505", "端午節");nHoliday.Add("0815", "中秋節");nHoliday.Add("0909", "重陽節");nHoliday.Add("1208", "臘八節");}/// <summary>/// 獲取農歷/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetChinaDate(DateTime dt){if (dt > china.MaxSupportedDateTime || dt < china.MinSupportedDateTime){//日期范圍：1901 年 2 月 19 日 - 2101 年 1 月 28 日throw new Exception(string.Format("日期超出范圍！必須在{0}到{1}之間！", china.MinSupportedDateTime.ToString("yyyy-MM-dd"), china.MaxSupportedDateTime.ToString("yyyy-MM-dd")));}string str = string.Format("{0} {1}{2}", GetYear(dt), GetMonth(dt), GetDay(dt));string strJQ = GetSolarTerm(dt);if (strJQ != ""){str += " (" + strJQ + ")";}string strHoliday = GetHoliday(dt);if (strHoliday != ""){str += " " + strHoliday;}string strChinaHoliday = GetChinaHoliday(dt);if (strChinaHoliday != ""){str += " " + strChinaHoliday;}return str;}/// <summary>/// 獲取農歷年份/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetYear(DateTime dt){int yearIndex = china.GetSexagenaryYear(dt);string yearTG = " 甲乙丙丁戊己庚辛壬癸";string yearDZ = " 子丑寅卯辰巳午未申酉戌亥";string yearSX = " 鼠牛虎兔龍蛇馬羊猴雞狗豬";int year = china.GetYear(dt);int yTG = china.GetCelestialStem(yearIndex);int yDZ = china.GetTerrestrialBranch(yearIndex);string str = string.Format("[{1}]{2}{3}{0}", year, yearSX[yDZ], yearTG[yTG], yearDZ[yDZ]);return str;}/// <summary>/// 獲取農歷月份/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetMonth(DateTime dt){int year = china.GetYear(dt);int iMonth = china.GetMonth(dt);int leapMonth = china.GetLeapMonth(year);bool isLeapMonth = iMonth == leapMonth;if (leapMonth != 0 && iMonth >= leapMonth){iMonth--;}string szText = "正二三四五六七八九十";string strMonth = isLeapMonth ? "閏" : "";if (iMonth <= 10){strMonth += szText.Substring(iMonth - 1, 1);}else if (iMonth == 11){strMonth += "十一";}else{strMonth += "臘";}return strMonth + "月";}/// <summary>/// 獲取農歷日期/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetDay(DateTime dt){int iDay = china.GetDayOfMonth(dt);string szText1 = "初十廿三";string szText2 = "一二三四五六七八九十";string strDay;if (iDay == 20){strDay = "二十";}else if (iDay == 30){strDay = "三十";}else{strDay = szText1.Substring((iDay - 1) / 10, 1);strDay = strDay + szText2.Substring((iDay - 1) % 10, 1);}return strDay;}/// <summary>/// 獲取節氣/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetSolarTerm(DateTime dt){DateTime dtBase = new DateTime(1900, 1, 6, 2, 5, 0);DateTime dtNew;double num;int y;string strReturn = "";y = dt.Year;for (int i = 1; i <= 24; i++){num = 525948.76 * (y - 1900) + JQData[i - 1];dtNew = dtBase.AddMinutes(num);if (dtNew.DayOfYear == dt.DayOfYear){strReturn = JQ[i - 1];}}return strReturn;}/// <summary>/// 獲取公歷節日/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetHoliday(DateTime dt){string strReturn = "";object g = gHoliday[dt.Month.ToString("00") + dt.Day.ToString("00")];if (g != null){strReturn = g.ToString();}return strReturn;}/// <summary>/// 獲取農歷節日/// </summary>/// <param name="dt"></param>/// <returns></returns>public static string GetChinaHoliday(DateTime dt){string strReturn = "";int year = china.GetYear(dt);int iMonth = china.GetMonth(dt);int leapMonth = china.GetLeapMonth(year);int iDay = china.GetDayOfMonth(dt);if (china.GetDayOfYear(dt) == china.GetDaysInYear(year)){strReturn = "除夕";}else if (leapMonth != iMonth){if (leapMonth != 0 && iMonth >= leapMonth){iMonth--;}object n = nHoliday[iMonth.ToString("00") + iDay.ToString("00")];if (n != null){if (strReturn == ""){strReturn = n.ToString();}else{strReturn += " " + n.ToString();}}}return strReturn;}#endregion#region 陰歷-陽歷-轉換/// <summary>/// 陰歷轉為陽歷/// </summary>/// <param name="year">指定的年份</param>public static DateTime GetLunarYearDate(DateTime dt){int cnYear = china.GetYear(dt);int cnMonth = china.GetMonth(dt);int num1 = 0;int num2 = china.IsLeapYear(cnYear) ? 13 : 12;while (num2 >= cnMonth){num1 += china.GetDaysInMonth(cnYear, num2--);}num1 = num1 - china.GetDayOfMonth(dt) + 1;return dt.AddDays(num1);}/// <summary>/// 陽歷轉為陰歷/// </summary>/// <param name="dt">公歷日期</param>/// <returns>農歷的日期</returns>public static DateTime GetSunYearDate(DateTime dt){int year = china.GetYear(dt);int iMonth = china.GetMonth(dt);int iDay = china.GetDayOfMonth(dt);int leapMonth = china.GetLeapMonth(year);bool isLeapMonth = iMonth == leapMonth;if (leapMonth != 0 && iMonth >= leapMonth){iMonth--;}string str = string.Format("{0}-{1}-{2}", year, iMonth, iDay);DateTime dtNew = DateTime.Now;try{dtNew = Convert.ToDateTime(str); //防止出現2月份時，會出現超過時間，出現“2015-02-30”這種錯誤日期 }catch{}return dtNew;}#endregion}

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轉載于:https://www.cnblogs.com/zhizhuo-1991/p/5639699.html

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