关于java公历转为农历的工具类网上有很多，大体都来自于同一份源码，但是这些源码仍不能满足项目要求，没有提供时辰的干支形式，所以亲自动手根据项目需求修改了源码，分享给大家，有问题的地方还请各位指正。
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
* =========================================================
*
* 作者：dzl
*
* 版本：1.0
*
* 创建日期：2015-7-4 下午3:24:55
*
* 描述：公历转农历工具
*
* 修订历史：
*
* ==========================================================
*/
public final class Lauar {
/**
* 转换的结果集.year .month .day .isLeap .yearCyl .dayCyl .monCyl
*/
private int result[];
private Calendar calendar;
private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy.M.d EEEEE");
/**
* http://blog.csdn.net/onlyonecoder/article/details/8484118
*/
private static int[] lunarInfo = { 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 };
/**
* 节气：http://www.eoeandroid.com/forum.php?mod=viewthread&action=printable&
* tid=3075
*/
private final static long[] STermInfo = new long[] { 0, 21208, 42467,
63836, 85337, 107014, 128867, 150921, 173149, 195551, 218072,
240693, 263343, 285989, 308563, 331033, 353350, 375494, 397447,
419210, 440795, 462224, 483532, 504758 };
private static final 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" };
/**
* 键值：0-7位表示日期，8-11位表示月份，5-7位与12-15位恒为0
*/
private final static Map<Integer, String> lunarHolidayMap = new HashMap<Integer, String>(
11);
/**
* 键值：0-7位表示日期，8-11位表示月份，5-7位与12-15位恒为0
*/
private final static Map<Integer, String> holidayMap = new HashMap<Integer, String>(
23);
private static String[] Gan = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛",
"壬", "癸" };
private static String[] Zhi = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未",
"申", "酉", "戌", "亥" };
private static String[] Animals = { "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", "十" };
private static String[] nStr2 = { "初", "十", "廿", "卅", " " };
private static String[] monthNong = { "正", "正", "二", "三", "四", "五", "六",
"七", "八", "九", "十", "十一", "十二" };
private static String[] yearName = { "零", "壹", "贰", "叁", "肆", "伍", "陆",
"柒", "捌", "玖" };
static {
// 农历节日
lunarHolidayMap.put(0x0101, "春节");
lunarHolidayMap.put(0x010f, "元宵");
lunarHolidayMap.put(0x0505, "端午");
lunarHolidayMap.put(0x0707, "七夕");
lunarHolidayMap.put(0x070f, "中元");
lunarHolidayMap.put(0x080f, "中秋");
lunarHolidayMap.put(0x0909, "重阳");
lunarHolidayMap.put(0x0c08, "腊八");
lunarHolidayMap.put(0x0c18, "小年");
lunarHolidayMap.put(0x0c1e, "除夕");
//公历节日
holidayMap.put(0x0101, "元旦");
holidayMap.put(0x020e, "情人节");
holidayMap.put(0x0308, "妇女节");
holidayMap.put(0x030c, "植树节");
holidayMap.put(0x030f, "消费者权益日");
holidayMap.put(0x0401, "愚人节");
holidayMap.put(0x0501, "劳动节");
holidayMap.put(0x0504, "青年节");
holidayMap.put(0x050c, "护士节");
holidayMap.put(0x0601, "儿童节");
holidayMap.put(0x0701, "建党节");
holidayMap.put(0x0801, "建军节");
holidayMap.put(0x0808, "爸爸节");
holidayMap.put(0x090a, "教师节");
holidayMap.put(0x091c, "孔子诞辰");
holidayMap.put(0x0a01, "国庆节");
holidayMap.put(0x0a06, "老人节");
holidayMap.put(0x0a18, "联合国日");
holidayMap.put(0x0b0c, "孙中山诞辰纪念");
holidayMap.put(0x0c14, "澳门回归纪念");
holidayMap.put(0x0c19, "圣诞");
}
public Lauar() {
this.calendar = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE);
convert();// 转换日期
}
public Lauar(int year, int month, int day) {
calendar = Calendar.getInstance();
calendar.set(year, month - 1, day);
convert();// 转换日期
}
/**
* @param year
* @param month
* @param day
* @param hourOfDay
* 24小时制(0-23)
* @param minute
*/
public Lauar(int year, int month, int day, int hourOfDay, int minute) {
calendar = Calendar.getInstance();
calendar.set(year, month - 1, day, hourOfDay, minute);
convert();// 转换日期
}
public Lauar(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
convert();// 转换日期
}
public Lauar(Calendar calendar) {
this.calendar = calendar;
convert();// 转换日期
}
/**
* 农历年份的总天数
*
* @param year
* 农历年份
* @return
*/
private static int totalDaysOfYear(int year) {
int sum = 348; // 29*12
for (int i = 0x8000; i > 0x8; i >>= 1) {
sum += (lunarInfo[year - 1900] & i) == 0 ? 0 : 1; // 大月+1天
}
return (sum + leapDays(year)); // +闰月的天数
}
/**
* 农历 year年闰月的天数
*
* @param year
* @return
*/
private static int leapDays(int year) {
int result = 0;
if (leapMonth(year) != 0) {
result = (lunarInfo[year - 1900] & 0x10000) == 0 ? 29 : 30;
}
return result;
}
/**
* 传农历 year年闰哪个月 1-12 , 没闰传回 0
*
* @param 农历年份
* @return
*/
private static int leapMonth(int year) {
return (lunarInfo[year - 1900] & 0xf);
}
/**
* 农历 y年m月的总天数
*
* @param y
* @param m
* @return
*/
private static int monthDays(int y, int m) {
return ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0 ? 29 : 30);
}
/**
* 将传入的日期转换为农历
*
* @param date
* 公历日期
*/
private void convert() {
// 基准时间 1900-01-31是农历1900年正月初一
Calendar baseCalendar = Calendar.getInstance();
baseCalendar.set(1900, 0, 31, 0, 0, 0); // 1900-01-31是农历1900年正月初一
Date baseDate = baseCalendar.getTime();
// 偏移量（天）
int offset = (int) ((calendar.getTimeInMillis() - baseDate.getTime()) / 86400000); // 天数(86400000=24*60*60*1000)
// 基准时间在天干地支纪年法中的位置
int monCyl = 14; // 1898-10-01是农历甲子月
int dayCyl = offset + 40; // 1899-12-21是农历1899年腊月甲子日
// 得到年数
int i;
int temp = 0;
for (i = 1900; i < 2050 && offset > 0; i++) {
temp = totalDaysOfYear(i); // 农历每年天数
offset -= temp;
monCyl += 12;
}
if (offset < 0) {
offset += temp;
i--;
monCyl -= 12;
}
int year = i; // 农历年份
int yearCyl = i - 1864; // 1864年是甲子年
int leap = leapMonth(i); // 闰哪个月
boolean isLeap = false;
int j;
for (j = 1; j < 13 && offset > 0; j++) {
// 闰月
if (leap > 0 && j == (leap + 1) && isLeap == false) {
--j;
isLeap = true;
temp = leapDays(year);
} else {
temp = monthDays(year, j);
}
// 解除闰月
if (isLeap == true && j == (leap + 1))
isLeap = false;
offset -= temp;
if (isLeap == false)
monCyl++;
}
if (offset == 0 && leap > 0 && j == leap + 1)
if (isLeap) {
isLeap = false;
} else {
isLeap = true;
--j;
--monCyl;
}
if (offset < 0) {
offset += temp;
--j;
--monCyl;
}
int month = j; // 农历月份
int day = offset + 1; // 农历天
result = new int[] { year, month, day, isLeap ? 1 : 0, yearCyl, monCyl,
dayCyl };
}
/**
* 获取偏移量对应的干支, 0=甲子
*
* @param num
* 偏移量（年or月or日）
* @return
*/
private static String cyclical(int num) {
return (Gan[num % 10] + Zhi[num % 12]);
}
/**
* 中文日期
*
* @param d
* @return
*/
private static String chineseDay(int day) {
String result;
switch (day) {
case 10:
result = "初十";
break;
case 20:
result = "二十";
break;
case 30:
result = "三十";
break;
default:
result = nStr2[(int) (day / 10)];// 取商
result += nStr1[day % 10];// 取余
}
return (result);
}
/**
* 大写年份
*
* @param y
* @return
*/
private static String chineseYear(int y) {
String s = " ";
int d;
while (y > 0) {
d = y % 10;
y = (y - d) / 10;
s = yearName[d] + s;
}
return (s);
}
/**
* 输出格式：2015.07.04 周六 乙未[羊]年 壬午月 辛巳日
*
* @param year
* @param month
* @param day
* @return
*/
public String getLunarDate() {
String s = sdf.format(calendar.getTime()) + " ";
s += cyclical(result[4]) + "[" + Animals[(result[0] - 4) % 12] + "]年 ";
s += cyclical(result[5]) + "月 ";
s += cyclical(result[6]) + "日";
return s;
}
/**
* 输出格式：五月十九
*
* @param year
* @param month
* @param day
* @return
*/
public String getLunarDay() {
return (result[3] == 1 ? "闰" : "") + monthNong[result[1]] + "月"
+ chineseDay(result[2]);
}
public String getLunarMonth(){
return (result[3] == 1 ? "闰" : "") + monthNong[result[1]] + "月";
}
public String getLunarDayOfMonth(){
return chineseDay(result[2]);
}
/**
* 获取时辰，输出格式：戊子时
*
* @return
*/
public String getLunarTime() {
int hour = calendar.get(Calendar.HOUR_OF_DAY);
int timeOffset = (result[6] % 10) * 24 + hour;
return Gan[((timeOffset + 1) / 2) % 10] + Zhi[((hour + 1) / 2) % 12]
+ "时";
}
/**
* 核心方法 根据日期(y年m月d日)得到节气
*/
public String getSoralTerm() {
int y = calendar.get(Calendar.YEAR);
int m = calendar.get(Calendar.MONTH);
int d = calendar.get(Calendar.DAY_OF_MONTH);
String solarTerms;
if (d == sTerm(y, m * 2))
solarTerms = SolarTerm[m * 2];
else if (d == sTerm(y, m * 2 + 1))
solarTerms = SolarTerm[m * 2 + 1];
else {
// 到这里说明非节气时间
solarTerms = null;
}
return solarTerms;
}
/**
* y年的第n个节气为几日(从0小寒起算)
*/
private int sTerm(int y, int n) {
Calendar cal = Calendar.getInstance();
cal.set(1900, 0, 6, 2, 5, 0);
long temp = cal.getTime().getTime();
cal.setTimeInMillis((long) ((31556925974.7 * (y - 1900) + STermInfo[n] * 60000L) + temp));
return cal.get(Calendar.DAY_OF_MONTH);
}
/**
* 农历节日
*
* @return
*/
public String getLunarHoliday() {
int temp;
if (result[2] == 29 && !isBigMonth(result[0], result[1])) {//如果是小月，29日为最后一天，将其加为30日算
temp = (result[1] << 8) + 30;
}else{
temp = (result[1] << 8) + result[2];
}
return lunarHolidayMap.get(temp);
}
/**
* 公历节日
* @return
*/
public String getHoliday(){
int m = calendar.get(Calendar.MONTH) + 1;
int d = calendar.get(Calendar.DAY_OF_MONTH);
int temp = (m << 8) + d;
return holidayMap.get(temp);
}
/**
* 判断m年y月是大月还是小月
*
* @param y
* @param m
* @return true:大月，false:小月
*/
private boolean isBigMonth(int y, int m) {
return !((lunarInfo[y - 1900] & (0x10000 >> m)) == 0);
}
public Calendar getCalendar() {
return calendar;
}
/**
* 后一天
*/
public void nextDay() {
calendar.add(Calendar.DAY_OF_MONTH, 1);
convert();
}
/**
* 前一天
*/
public void preDay() {
calendar.add(Calendar.DAY_OF_MONTH, -1);
convert();
}
public static void main(String[] args) {
Lauar lauar = new Lauar(2016, 8, 8);
System.out.println(lauar.getLunarDate());
System.out.print(lauar.getLunarDay());
System.out.print(lauar.getLunarTime());
System.out.print(lauar.getLunarHoliday());
System.out.println(lauar.getHoliday());
lauar.nextDay();
System.out.println(lauar.getLunarDate());
System.out.print(lauar.getLunarDay());
System.out.print(lauar.getLunarTime());
System.out.print(lauar.getLunarHoliday());
System.out.println(lauar.getHoliday());
lauar.preDay();
System.out.println(lauar.getLunarDate());
System.out.print(lauar.getLunarDay());
System.out.print(lauar.getLunarTime());
System.out.print(lauar.getLunarHoliday());
System.out.println(lauar.getHoliday());
lauar = new Lauar(2015, 7, 23);
System.out.print(lauar.getSoralTerm());
}
}
运行结果：
2016.8.8 星期一 丙申[猴]年 丙申月 壬戌日 七月初六丁未时null爸爸节 2016.8.9 星期二 丙申[猴]年 丙申月 癸亥日 七月初七己未时七夕null 2016.8.8 星期一 丙申[猴]年 丙申月 壬戌日 七月初六丁未时null爸爸节 大暑
使用该工具类编写一个简单的日历：
import java.util.Calendar;
public class GradView {
private int[] data1;
private String[] data2;
public GradView(int year, int month) {
Calendar calendar = Calendar.getInstance();
calendar.set(year, month - 1, 1);// 当月1日
init(calendar);
}
private void init(Calendar calendar) {
int weekOfFirstDay = calendar.get(Calendar.DAY_OF_WEEK);// 第一天的星期
data1 = new int[42];
data2 = new String[42];
Lauar lauar;
calendar.add(Calendar.DATE, -(weekOfFirstDay - 1));
for (int i = 0; i < data1.length; i++) {
data1[i] = calendar.get(Calendar.DAY_OF_MONTH);
lauar = new Lauar(calendar);
String data;
if (null != (data = lauar.getLunarHoliday())) {
data2[i] = data;
} else if (null != (data = lauar.getHoliday())) {
data2[i] = data;
} else if (null != (data = lauar.getSoralTerm())) {
data2[i] = data;
} else {
data2[i] = lauar.getLunarDayOfMonth();
if ("初一".equals(data2[i])) {
data2[i] = lauar.getLunarMonth();
}
}
calendar.add(Calendar.DATE, 1);
}
}
public static void main(String[] args) {
GradView view = new GradView(2015, 2);
for (int i = 0; i < view.data1.length; i++) {
System.out.print(view.data1[i] + ".");
System.out.print(view.data2[i] + "\t");
if ((i + 1) % 7 == 0)
System.out.println();
}
}
}
运行结果：
1.十三 2.十四 3.十五 4.立春 5.十七 6.十八 7.十九 8.二十 9.廿一 10.廿二 11.廿三 12.小年 13.廿五 14.情人节 15.廿七 16.廿八 17.廿九 18.除夕 19.春节 20.初二 21.初三 22.初四 23.初五 24.初六 25.初七 26.初八 27.初九 28.初十 1.十一 2.十二 3.十三 4.十四 5.元宵 6.惊蛰 7.十七 8.妇女节 9.十九 10.二十 11.廿一 12.植树节 13.廿三 14.廿四
原文地址：http://blog.csdn.net/wmj2003/article/details/2609370