日历转换
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1、农历一个年是由天干地支组成
天干："甲","乙","丙","丁","戊","己","庚","辛","壬","癸"
地支："子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥",
天干和地支组合，一个完整组合是一个甲子，有人一定说（天干）10*（地支）12=120，可人们常甲子是60年。它们的组合是循环组合，例如甲子年、乙丑年、丙寅年、丁卯年、戊辰年、己巳年、庚午年、辛未年……正好一个甲子是60年。60就是个循环节，知道某一年的名称，可以推断出其余的
2、公历转农历，由于农历是通过观察天文学来获取的，日月运行虽有固定规律，但是计算起来总会有些偏差，所以现阶段还没有一个完美的公式来转化公历和农历。一般是通过查表，现阶段计算出来的是从1900年到2050年，也就是总共150年。
<span style="white-space:pre"></span> {0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, 0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0, 0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6, 0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570, 0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530, 0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0 };这些都是16进制，每一个16进制代表一年。例如1900年0x04bd8
前4位，即0在这一年是润年时才有意义，它代表这年润月的大小月，为1则润大月，为0则润小月。
中间12位，即4bd，每位代表一个月，为1则为大月，为0则为小月。
最后4位，即8，代表这一年的润月月份，为0则不润。首4位要与末4位搭配使用。
这样每一年多少天，每个月多少天都知道了，根据一个公历可以推算出农历，代码不是我写的，是我从网上找到的，里面计算年的bug我也修改了，公历的节日基本是固定，公历的节日更别说了，所以每年的节日也可以标注起来，下面，我直接把代码贴出来
import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale;public class ChinaDate {/*前4位，即0在这一年是润年时才有意义，它代表这年润月的大小月，为1则润大月，为0则润小月。中间12位，即4bd，每位代表一个月，为1则为大月，为0则为小月。最后4位，即8，代表这一年的润月月份，为0则不润。首4位要与末4位搭配使用。*/ final private static long[] lunarInfo = new long[] { 0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, 0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0, 0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6, 0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570, 0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530, 0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0 }; final private static int[] year20 = new int[] { 1, 4, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 }; final private static int[] year19 = new int[] { 0, 3, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0 }; final private static int[] year2000 = new int[] { 0, 3, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 }; public final static String[] nStr1 = new String[] { "", "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬月", "腊月" }; private final static String[] Gan = new String[] { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; private final static String[] Zhi = new String[] { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; private final static String[] Animals = new String[] { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" }; private final 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 final static String[] sFtv = new String[] { "0101*元旦", "0214 情人节", "0308 妇女节", "0312 植树节", "0315 消费者权益日", "0401 愚人节", "0501 劳动节", "0504 青年节", "0512 护士节", "0601 儿童节", "0701 建党节", "0801 建军节", "0808 父亲节", "0909 mzd逝世纪念", "0910 教师节", "0928 孔子诞辰", "1001*国庆节", "1006 老人节", "1024 联合国日", "1112 孙中山诞辰", "1220 澳门回归", "1225 圣诞节", "1226 mzd诞辰" }; private final static String[] lFtv = new String[] { "0101*农历春节", "0115 元宵节", "0505 端午节", "0707 七夕情人节", "0815 中秋节", "0909 重阳节", "1208 腊八节", "1224 小年", "0100*除夕" }; /** * 传回农历 y年的总天数 * * @param y * @return */ final private static int lYearDays(int y) { int i, sum = 348; for (i = 0x8000; i > 0x8; i >>= 1) { if ((lunarInfo[y - 1900] & i) != 0) sum += 1; } return (sum + leapDays(y)); } /** * 传回农历 y年闰月的天数 * * @param y * @return */ final private static int leapDays(int y) { if (leapMonth(y) != 0) { if ((lunarInfo[y - 1900] & 0x10000) != 0) return 30; else return 29; } else return 0; } /** * 传回农历 y年闰哪个月 1-12 , 没闰传回 0 * * @param y * @return */ final private static int leapMonth(int y) { return (int) (lunarInfo[y - 1900] & 0xf); } /** * 传回农历 y年m月的总天数 * * @param y * @param m * @return */ final private static int monthDays(int y, int m) { if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0) return 29; else return 30; } /** * 传回农历 y年的生肖 * * @param y * @return */ final public static String AnimalsYear(int y) { return Animals[(y - 4) % 12]; } /** * 传入 月日的offset 传回干支,0=甲子 * * @param num * @return */ final private static String cyclicalm(int num) { return (Gan[num % 10] + Zhi[num % 12]); } /** * 传入 offset 传回干支, 0=甲子 * * @param y * @return */ final public static String cyclical(int y) { int num = y - 1900 + 36; return (cyclicalm(num)); } /** * 传出农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6 * * @param y * @param m * @return */ final private long[] Lunar(int y, int m) { long[] nongDate = new long[7]; int i = 0, temp = 0, leap = 0; Date baseDate = new GregorianCalendar(1900 + 1900, 1, 31).getTime(); Date objDate = new GregorianCalendar(y + 1900, m, 1).getTime(); long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L; if (y < 2000) offset += year19[m - 1]; if (y > 2000) offset += year20[m - 1]; if (y == 2000) offset += year2000[m - 1]; nongDate[5] = offset + 40; nongDate[4] = 14; for (i = 1900; i < 2050 && offset > 0; i++) { temp = lYearDays(i); offset -= temp; nongDate[4] += 12; } if (offset < 0) { offset += temp; i--; nongDate[4] -= 12; } nongDate[0] = i; nongDate[3] = i - 1864; leap = leapMonth(i); // 闰哪个月 nongDate[6] = 0; for (i = 1; i < 13 && offset > 0; i++) { // 闰月 if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i; nongDate[6] = 1; temp = leapDays((int) nongDate[0]); } else { temp = monthDays((int) nongDate[0], i); } // 解除闰月 if (nongDate[6] == 1 && i == (leap + 1)) nongDate[6] = 0; offset -= temp; if (nongDate[6] == 0) nongDate[4]++; } if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) { nongDate[6] = 0; } else { nongDate[6] = 1; --i; --nongDate[4]; } } if (offset < 0) { offset += temp; --i; --nongDate[4]; } nongDate[1] = i; nongDate[2] = offset + 1; return nongDate; } /** * 传出y年m月d日对应的农历.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6 * * @param y * @param m * @param d * @return */ final public static long[] calElement(int y, int m, int d) { long[] nongDate = new long[7]; int i = 0, temp = 0, leap = 0; Date baseDate = new GregorianCalendar(0 + 1900, 0, 31).getTime(); Date objDate = new GregorianCalendar(y, m - 1, d).getTime(); long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L; nongDate[5] = offset + 40; nongDate[4] = 14; for (i = 1900; i < 2050 && offset > 0; i++) { temp = lYearDays(i); offset -= temp; nongDate[4] += 12; } if (offset < 0) { offset += temp; i--; nongDate[4] -= 12; } nongDate[0] = i; nongDate[3] = i - 1864; leap = leapMonth(i); // 闰哪个月 nongDate[6] = 0; for (i = 1; i < 13 && offset > 0; i++) { // 闰月 if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i; nongDate[6] = 1; temp = leapDays((int) nongDate[0]); } else { temp = monthDays((int) nongDate[0], i); } // 解除闰月 if (nongDate[6] == 1 && i == (leap + 1)) nongDate[6] = 0; offset -= temp; if (nongDate[6] == 0) nongDate[4]++; } if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) { nongDate[6] = 0; } else { nongDate[6] = 1; --i; --nongDate[4]; } } if (offset < 0) { offset += temp; --i; --nongDate[4]; } nongDate[1] = i; nongDate[2] = offset + 1; return nongDate; } public final static String getChinaDate(int day) { String a = ""; if (day == 10) return "初十"; if (day == 20) return "二十"; if (day == 30) return "三十"; int two = (int) ((day) / 10); if (two == 0) a = "初"; if (two == 1) a = "十"; if (two == 2) a = "廿"; if (two == 3) a = "三"; int one = (int) (day % 10); switch (one) { case 1: a += "一"; break; case 2: a += "二"; break; case 3: a += "三"; break; case 4: a += "四"; break; case 5: a += "五"; break; case 6: a += "六"; break; case 7: a += "七"; break; case 8: a += "八"; break; case 9: a += "九"; break; } return a; } public static String today() { Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE); int year = today.get(Calendar.YEAR); int month = today.get(Calendar.MONTH) + 1; int date = today.get(Calendar.DATE); long[] l = calElement(year, month, date); StringBuffer sToday = new StringBuffer(); try { sToday.append(sdf.format(today.getTime())); sToday.append(" 农历"); sToday.append(cyclical((int)l[0])); sToday.append('('); sToday.append(AnimalsYear((int)l[0])); sToday.append(")年"); sToday.append(nStr1[(int) l[1]]); sToday.append("月"); sToday.append(getChinaDate((int) (l[2]))); return sToday.toString(); } finally { sToday = null; } } public static String oneDay(int year,int month,int day) { Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE); long[] l = calElement(year, month, day); today.set(year, month-1, day); StringBuffer sToday = new StringBuffer(); try { sToday.append(sdf.format(today.getTime())); sToday.append(" 农历"); sToday.append(cyclical((int)l[0])); sToday.append('('); sToday.append(AnimalsYear((int)l[0])); sToday.append(")年"); sToday.append(nStr1[(int) l[1]]); sToday.append("月"); sToday.append(getChinaDate((int) (l[2]))); return sToday.toString(); } finally { sToday = null; } } private static SimpleDateFormat sdf = new SimpleDateFormat( "yyyy年M月d日 EEEEE"); /** * 农历日历工具使用演示 * * @param args */ public static void main(String[] args) { System.out.println(today()); System.out.println(oneDay(2016, 1, 1)); }}资源下载
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