/**
* Lunar calendar 博大精深的农历
* 原始数据和算法思路来自 S&S
Lab http://www.focus-2000.com 可惜网站好像关了
*/
/*
农历每月的天数。
每个元素为一年。每个元素中的数据为:
[0]是闰月在哪个月,0为无闰月;
[1]到[13]是每年12或13个月的每月天数;
[14]是当年的天干次序,
[15]是当年的地支次序
*/
- function lunarcalendar ($month, $year)
- {
- global $lnlunarcalendar;
- /**
- * Lunar calendar 博大精深的农历
- * 原始数据和算法思路来自 S&S
- Lab http://www.focus-2000.com 可惜网站好像关了
- */
- /*
- 农历每月的天数。
- 每个元素为一年。每个元素中的数据为:
- [0]是闰月在哪个月,0为无闰月;
- [1]到[13]是每年12或13个月的每月天数;
- [14]是当年的天干次序,
- [15]是当年的地支次序
- */
- $everymonth = array(
- 0 => array(8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 30, 7, 1),
- 1 => array(0, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 29, 0, 8, 2),
- 2 => array(0, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 0, 9, 3),
- 3 => array(5, 29, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 10, 4),
- 4 => array(0, 30, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 0, 1, 5),
- 5 => array(0, 30, 30, 29, 30, 30, 29, 29, 30, 29, 30, 29, 30, 0, 2, 6),
- 6 => array(4, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 30, 3, 7),
- 7 => array(0, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 4, 8),
- 8 => array(0, 30, 29, 29, 30, 30, 29, 30, 29, 30, 30, 29, 30, 0, 5, 9),
- 9 => array(2, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 29, 30, 6, 10),
- 10 => array(0, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 29, 0, 7, 11),
- 11 => array(6, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 8, 12),
- 12 => array(0, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 0, 9, 1),
- 13 => array(0, 30, 30, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 0, 10, 2),
- 14 => array(5, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 29, 30, 1, 3),
- 15 => array(0, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 0, 2, 4),
- 16 => array(0, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 3, 5),
- 17 => array(2, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 29, 30, 29, 4, 6),
- 18 => array(0, 30, 29, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 0, 5, 7),
- 19 => array(7, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 30, 6, 8),
- 20 => array(0, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 0, 7, 9),
- 21 => array(0, 30, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 0, 8, 10),
- 22 => array(5, 30, 29, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 9, 11),
- 23 => array(0, 29, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 0, 10, 12),
- 24 => array(0, 29, 30, 30, 29, 30, 30, 29, 30, 29, 30, 29, 29, 0, 1, 1),
- 25 => array(4, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 30, 29, 30, 2, 2),
- 26 => array(0, 29, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 0, 3, 3),
- 27 => array(0, 30, 29, 29, 30, 29, 30, 29, 30, 29, 30, 30, 30, 0, 4, 4),
- 28 => array(2, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 30, 5, 5),
- 29 => array(0, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 0, 6, 6),
- 30 => array(6, 29, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 29, 7, 7),
- 31 => array(0, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 0, 8, 8),
- 32 => array(0, 30, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 0, 9, 9),
- 33 => array(5, 29, 30, 30, 29, 30, 30, 29, 30, 29, 30, 29, 29, 30, 10, 10),
- 34 => array(0, 29, 30, 29, 30, 30, 29, 30, 29, 30, 30, 29, 30, 0, 1, 11),
- 35 => array(0, 29, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 0, 2, 12),
- 36 => array(3, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 30, 29, 3, 1),
- 37 => array(0, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 29, 0, 4, 2),
- 38 => array(7, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 5, 3),
- 39 => array(0, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 29, 30, 0, 6, 4),
- 40 => array(0, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 0, 7, 5),
- 41 => array(6, 30, 30, 29, 30, 30, 29, 30, 29, 29, 30, 29, 30, 29, 8, 6),
- 42 => array(0, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 0, 9, 7),
- 43 => array(0, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 10, 8),
- 44 => array(4, 30, 29, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 1, 9),
- 45 => array(0, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 29, 30, 0, 2, 10),
- 46 => array(0, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 0, 3, 11),
- 47 => array(2, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 4, 12),
- 48 => array(0, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 0, 5, 1),
- 49 => array(7, 30, 29, 30, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 6, 2),
- 50 => array(0, 29, 30, 30, 29, 30, 30, 29, 29, 30, 29, 30, 29, 0, 7, 3),
- 51 => array(0, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 0, 8, 4),
- 52 => array(5, 29, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 9, 5),
- 53 => array(0, 29, 30, 29, 29, 30, 30, 29, 30, 30, 29, 30, 29, 0, 10, 6),
- 54 => array(0, 30, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 0, 1, 7),
- 55 => array(3, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 2, 8),
- 56 => array(0, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 0, 3, 9),
- 57 => array(8, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 29, 4, 10),
- 58 => array(0, 30, 30, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 0, 5, 11),
- 59 => array(0, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 0, 6, 12),
- 60 => array(6, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 7, 1),
- 61 => array(0, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 0, 8, 2),
- 62 => array(0, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 29, 0, 9, 3),
- 63 => array(4, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 29, 10, 4),
- 64 => array(0, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 0, 1, 5),
- 65 => array(0, 29, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 0, 2, 6),
- 66 => array(3, 30, 30, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 3, 7),
- 67 => array(0, 30, 30, 29, 30, 30, 29, 29, 30, 29, 30, 29, 30, 0, 4, 8),
- 68 => array(7, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 5, 9),
- 69 => array(0, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 6, 10),
- 70 => array(0, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 29, 30, 0, 7, 11),
- 71 => array(5, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 29, 30, 8, 12),
- 72 => array(0, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 29, 30, 0, 9, 1),
- 73 => array(0, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 0, 10, 2),
- 74 => array(4, 30, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 1, 3),
- 75 => array(0, 30, 30, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 0, 2, 4),
- 76 => array(8, 30, 30, 29, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 3, 5),
- 77 => array(0, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 29, 0, 4, 6),
- 78 => array(0, 30, 29, 30, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 5, 7),
- 79 => array(6, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 29, 30, 29, 6, 8),
- 80 => array(0, 30, 29, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 0, 7, 9),
- 81 => array(0, 29, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 0, 8, 10),
- 82 => array(4, 30, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 9, 11),
- 83 => array(0, 30, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 0, 10, 12),
- 84 => array(10, 30, 29, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 1, 1),
- 85 => array(0, 29, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 0, 2, 2),
- 86 => array(0, 29, 30, 30, 29, 30, 30, 29, 30, 29, 30, 29, 29, 0, 3, 3),
- 87 => array(6, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 30, 29, 29, 4, 4),
- 88 => array(0, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 0, 5, 5),
- 89 => array(0, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 30, 0, 6, 6),
- 90 => array(5, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 30, 7, 7),
- 91 => array(0, 29, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 0, 8, 8),
- 92 => array(0, 29, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 0, 9, 9),
- 93 => array(3, 29, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 10, 10),
- 94 => array(0, 30, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 0, 1, 11),
- 95 => array(8, 29, 30, 30, 29, 30, 29, 30, 30, 29, 29, 30, 29, 30, 2, 12),
- 96 => array(0, 29, 30, 29, 30, 30, 29, 30, 29, 30, 30, 29, 29, 0, 3, 1),
- 97 => array(0, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 29, 0, 4, 2),
- 98 => array(5, 30, 29, 29, 30, 29, 29, 30, 30, 29, 30, 30, 29, 30, 5, 3),
- 99 => array(0, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 29, 0, 6, 4),
- 100 => array(0, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 29, 0, 7, 5),
- 101 => array(4, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 8, 6),
- 102 => array(0, 30, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 0, 9, 7),
- 103 => array(0, 30, 30, 29, 30, 30, 29, 30, 29, 29, 30, 29, 30, 0, 10, 8),
- 104 => array(2, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 1, 9),
- 105 => array(0, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 0, 2, 10),
- 106 => array(7, 30, 29, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 30, 3, 11),
- 107 => array(0, 29, 29, 30, 29, 29, 30, 29, 30, 30, 30, 29, 30, 0, 4, 12),
- 108 => array(0, 30, 29, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 0, 5, 1),
- 109 => array(5, 30, 30, 29, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 6, 2),
- 110 => array(0, 30, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 0, 7, 3),
- 111 => array(0, 30, 29, 30, 30, 29, 30, 29, 29, 30, 29, 30, 29, 0, 8, 4),
- 112 => array(4, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 9, 5),
- 113 => array(0, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 29, 30, 0, 10, 6),
- 114 => array(9, 29, 30, 29, 30, 29, 30, 29, 30, 30, 29, 30, 29, 30, 1, 7),
- 115 => array(0, 29, 30, 29, 29, 30, 29, 30, 30, 30, 29, 30, 29, 0, 2, 8),
- 116 => array(0, 30, 29, 30, 29, 29, 30, 29, 30, 30, 29, 30, 30, 0, 3, 9),
- 117 => array(6, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 30, 4, 10),
- 118 => array(0, 29, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 30, 0, 5, 11),
- 119 => array(0, 30, 29, 30, 29, 30, 29, 29, 30, 29, 29, 30, 30, 0, 6, 12),
- 120 => array(4, 29, 30, 30, 30, 29, 30, 29, 29, 30, 29, 30, 29, 30, 7, 1)
- );
-
- $mten = $lnlunarcalendar['tiangan'];// 农历天干
- $mtwelve = $lnlunarcalendar['dizhi'];// 农历地支
- $mmonth = $lnlunarcalendar['month'];// 农历月份
- $mday = $lnlunarcalendar['day'];// 农历日
- // 阳历总天数 至1900年12月21日
- $total = 69 * 365 + 17 + 11;
- //1970年1月1日前的就不算了
- if ($year == "" || $month == "" || ($year < 1970 or $year > 2020)) return ''; //超出这个范围不计算
- // 计算到所求日期阳历的总天数-自1900年12月21日始
-
- for ($y = 1970; $y < $year;$y++) {// 先算年的和
- $total += 365;
- if ($y % 4 == 0) $total ++;
- }
- // 再加当年的几个月
- $total += gmdate("z", gmmktime(0, 0, 0, $month, 1, $year));
- // 用农历的天数累加来判断是否超过阳历的天数
- $flag1 = 0; //判断跳出循环的条件
- $lcj = 0;
- while ($lcj <= 120) {
- $lci = 1;
- while ($lci <= 13) {
- $mtotal += $everymonth[$lcj][$lci];
- if ($mtotal >= $total) {
- $flag1 = 1;
- break;
- }
- $lci++;
- }
- if ($flag1 == 1) break;
- $lcj++;
- }
- // 由上,得到的 $lci 为当前农历月, $lcj 为当前农历年
- // 计算所求月份1号的农历日期
- $fisrtdaylunar = $everymonth[$lcj][$lci] - ($mtotal - $total);
- $results['year'] = $mten[$everymonth[$lcj][14]] . $mtwelve[$everymonth[$lcj][15]]; //当前是什么年
- $daysthismonth = gmdate("t", gmmktime(0, 0, 0, $month, 1, $year)); //当前月共几天
- $op = 1;
- for ($i = 1; $i <= $daysthismonth; $i++) {
- $possiblelunarday = $fisrtdaylunar + $op-1; //理论上叠加后的农历日
- if ($possiblelunarday <= $everymonth[$lcj][$lci]) { // 在本月的天数范畴内
- $results[$i] = $mday[$possiblelunarday];
- $op += 1;
- }
- else { // 不在本月的天数范畴内
- $results[$i] = $mday[1]; //退回到1日
- $fisrtdaylunar = 1;
- $op = 2;
- $curmonthnum = ($everymonth[$lcj][0] != 0) ? 13 : 12; //当年有几个月
- if ($lci + 1 > $curmonthnum) { // 第13/14个月了,转到下一年
- $lci = 1;
- $lcj = $lcj + 1;
- // 换年头了,把新一年的天干地支也写上
- $results['year'] .= '/' . $mten[$everymonth[$lcj][14]] . $mtwelve[$everymonth[$lcj][15]];
- }
- else { // 还在这年里
- $lci = $lci + 1;
- $lcj = $lcj;
- }
- }
- if ($results[$i] == $mday[1]) { // 每月的初一应该显示当月是什么月
- if ($everymonth[$lcj][0] != 0) { // 有闰月的年
- $monthss = ($lci > $everymonth[$lcj][0]) ? ($lci-1) : $lci; //闰月后的月数-1
- if ($lci == $everymonth[$lcj][0] + 1) { // 这个月正好是闰月
- $monthssshow = $mmonth[0] . $mmonth[$monthss]; //前面加个闰字
- $runyue = 1;
- }
- else {
- $monthssshow = $mmonth[$monthss];
- }
- }
- else {
- $monthss = $lci;
- $monthssshow = $mmonth[$monthss];
- }
- if ($monthss <= 10 && $runyue != 1){ //只有1个字的月加上‘月’字
- $monthssshow .= $mmonth[13];
- }
- $results[$i] = $monthssshow;
- }
- }
- return $results;
- }
- // 忘了加上这个:农历用字
- $lnlunarcalendar = array(
- 'tiangan' => array("未知", "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"),
- 'dizhi' => array("未知", "子年(鼠)", "丑年(牛)", "寅年(虎)", "卯年(兔)", "辰年(龙)",
- "巳年(蛇)", "午年(马)", "未年(羊)", "申年(猴)", "酉年(鸡)", "戌年(狗)", "亥年(猪)"),
- 'month' => array("闰", "正", "二", "三", "四", "五", "六",
- "七", "八", "九", "十", "十一", "十二", "月"),
- 'day' => array("未知", "初一", "初二", "初三", "初四", "初五", "初六", "初七", "初八", "初九", "初十",
- "十一", "十二", "十三", "十四", "十五", "十六", "十七", "十八", "十九", "二十",
- "廿一", "廿二", "廿三", "廿四", "廿五", "廿六", "廿七", "廿八", "廿九", "三十")
- );
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