PHP農曆公曆轉換

PHP農曆公曆轉換

/*
 雲南省曲靖師範學院電腦科學與工程學院-楊海熙編寫
 2009-9-3
*/
class Lunar
{
 private $_SMDay = array(1 => 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);分天數
 private $_LStart = 1950 ;//農曆從1950年開始
 private $_LMDay = array(
 //差：該年的農曆正月初一到該年公曆1月1日的天數；1~12：農曆月份天數；閏：如有閏月，記錄該月平月天數
 // 差1 2 3 4 5 6 7 8 9 10 11 12 閏
 array(47,29, 30,30,29,30,30,29,29,30,29,30,29),
 array(36,30,29,30,30,29,30,29,30,29,30, 29,30),
 array(6,29,30,29,30,59,29,30,30,29,30,29,30,29), //五月29 閏五月30
 array(44,29,30,29,29,30,30,29,30,30,29,30,29),
 array(33,30,29,30,29,29,30,29 ,30,30,29,30,30),
 array(23,29,30,59,29,29,30,29,30,29,30,30,30,29), //三月29 閏三月30
 array(42,29,30,29,30,29,29,30,29,30,29,30,30),
 array(30,30,29,30, 29,30,29,29,59,30,29,30,29,30), //八月30 閏八月29
 array(48,30,30,30,29,30,29,29 ,30,29,30,29,30),
 array(38,29,30,30,29,30,29,30,29,30,29,30,29),
 array(27 ,30,29,30,29,30,59,30,29,30,29,30,29,30), //六月30 閏六月29
 array(45,30,29,30, 29,30,29,30,30,29,30,29,30),
 array(35,29,30,29,29,30,29,30,30,29,30,30,29) ,
 array(24,30,29,30,58,30,29,30,29,30,30,30,29,29), //四月29 閏四月29
 array(43 ,30,29,30,29,29,30,29,30,29,30,30,30),
 array(32,29,30,29,30,29,29,30,29,29 ,30,30,29),
 array(20,30,30,59,30,29,29,30,29,29,30,30,29,30), //三月30 閏三月29
 array(39,30,30,29,30,30,29,29,30,29,30,29,30),
 array(29,29,30,29,30,30, 29,59,30,29,30,29,30,30), //七月30 閏七月29
 array(47,29,30,29,30,29,30,30,29,30 ,29,30,29),
 array(36,30,29,29,30,29,30,30,29,30,30,29,30),
 array(26,29,30 ,29,29,59,30,29,30,30,30,29,30,30), //五月30 閏五月29
 array(45,29,30,29,29,30, 29,30,29,30,30,29,30),
 array(33,30,29,30,29,29,30,29,29,30,30,29,30),
 array(22,30,30,29,59,29,30,29,29,30,30,29,30,30), //四月30 閏四月29
 array(41,30,30 ,29,30,29,29,30,29,29,30,29,30),
 array(30,30,30,29,30,29,30,29,59,29,30,29 ,30,30), //八月30 閏八月29
 array(48,30,29,30,30,29,30,29,30,29,30,29,29),
 array(37,30,29,30,30,29,30,30,29,30,29,30,29),
 array(27,30,29,29,30,29,60,29, 30,30,29,30,29,30), //六月30 閏六月30
 array(46,30,29,29,30,29,30,29,30,30,29,30 ,30),
 array(35,29,30,29,29,30,29,29,30,30,29,30,30),
 array(24,30,29,30,58 ,30,29,29,30,29,30,30,30,29), //四月29 閏四月29
 array(43,30,29,30,29,29,30,29, 29,30,29,30,30),
 array(32,30,29,30,30,29,29,30,29,29,59,30,30,30), //十月30閏十月29
 array(50,29,30,30,29,30,29,30,29,29,30,29,30),
 array(39,29,30,30,29 ,30,30,29,30,29,30,29,29),
 array(28,30,29,30,29,30,59,30,30,29,30,29,29,30 ), //六月30 閏六月29
 array(47,30,29,30,29,30,29,30,30,29,30,30,29),
 array(36, 30,29,29,30,29,30,29,30,29,30,30,30),
 array(26,29,30,29,29,59,29,30,29,30, 30,30,30,30), //五月30 閏五月29
 array(45,29,30,29,29,30,29,29,30,29,30,30,30),
 array(34,29,30,30,29,29,30,29,29,30,29,30,30),
 array(22,29,30,59,30,29,30 ,29,29,30,29,30,29,30), //三月30 閏三月29
 array(40,30,30,30,29,30,29,30,29,29, 30,29,30),
 array(30,29,30,30,29,30,29,30,59,29,30,29,30,30), //八月30 閏八月29
 array(49,29,30,29,30,30,29,30,29,30,30,29,29),
 array(37,30,29,30,29,30,29 ,30,30,29,30,30,29),
 array(27,30,29,29,30,58,30,30,29,30,30,29,30,29), //五月29 閏五月29
 array(46,30,29,29,30,29,29,30,29,30,30,30,29),
 array(35,30,30, 29,29,30,29,29,30,29,30,30,29),
 array(23,30,30,29,59,30,29,29,30,29,30,29, 30,30), //四月30 閏四月29
 array(42,30,30,29,30,29,30,29,29,30,29,30,29),
 array (31,30,30,29,30,30,29,30,29,29,30,29,30),
 array(21,29,59,30,30,29,30,29,30 ,29,30,29,30,30), //二月30 閏二月29
 array(39,29,30,29,30,29,30,30,29,30,29,30, 29),
 array(28,30,29,30,29,30,29,59,30,30,29,30,30,30), //七月30 閏(48,29,29,30,29,29,30,29,30,30,30,29,30),
 array(37,30,29,29,30,29,29,30,29 ,30,30,29,30),
 array(25,30,30,29,29,59,29,30,29,30,29,30,30,30), //五月30 閏五月29
 array(44,30,29,30,29,30,29,29,30,29,30,29,30),
 array(33,30,29,30,30, 29,30,29,29,30,29,30,29),
 array(22,30,29,30,59,30,29,30,29,30,29,30,29,30) , //四月30 閏四月29
 array(40,30,29,30,29,30,30,29,30,29,30,29,30),
 array(30,29 ,30,29,30,29,30,29,30,59,30,29,30,30), //九月30 閏九月29
array(49,29,30,29,29,30,29,30,30,30,29,30,29),
 array(38,30,29,30,29,29,30,29, 30,30,29,30,30),
 array(27,29,30,29,30,29,59,29,30,29,30,30,30,29), //六月29閏六月30
 array(46,29,30,29,30,29,29,30,29,30,29,30,30),
 array(35,30,29,30,29 ,30,29,29,30,29,29,30,30),
 array(24,29,30,30,59,30,29,29,30,29,30,29,30,30 ), //四月30 閏四月29
 array(42,29,30,30,29,30,29,30,29,30,29,30,29),
 array(31, 30,29,30,29,30,30,29,30,29,30,29,30),
 array(21,29,59,29,30,30,29,30,30,29, 30,29,30,30), //二月30 閏二月29
 array(40,29,30,29,29,30,29,30,30,29,30,30,29),
 array(28,30,29,30,29,29,59,30,29,30,30,30,29,30), //六月30 閏六月29
 array(47, 30,29,30,29,29,30,29,29,30,30,30,29),
 array(36,30,30,29,30,29,29,30,29,29, 30,30,29),
 array(25,30,30,30,29,59,29,30,29,29,30,30,29,30), //五月30 閏五月29
 array(43,30,30,29,30,29,30,29,30,29,29,30,30),
 array(33,29,30,29,30,30,29 ,30,29,30,29,30,29),
 array(22,29,30,59,30,29,30,30,29,30,29,30,29,30), //三月30 閏三月29
 array(41,30,29,29,30,29,30,30,29,30,30,29,30),
 array(30,29,30, 29,29,30,29,30,29,30,30,59,30,30), //十一月30 閏十一月29
 array(49,29,30,29,29,30 ,29,30,29,30,30,29,30),
 array(38,30,29,30,29,29,30,29,29,30,30,29,30),
 array(27,30,30,29,30,29,59,29,29,30,29,30,30,29), //六月29 閏六月30
 array(45,30, 30,29,30,29,29,30,29,29,30,29,30),
 array(34,30,30,29,30,29,30,29,30,29,29, 30,29),
 array(23,30,30,29,30,59,30,29,30,29,30,29,29,30), //五月30 閏五月29
 array(42,30,29,30,30,29,30,29,30,30,29,30,29),
 array(31,29,30,29,30,29,30,30 ,29,30,30,29,30),
 array(21,29,59,29,30,29,30,29,30,30,29,30,30,30), //二月30 閏二月29
 array(40,29,30,29,29,30,29,29,30,30,29,30,30),
 array(29,30,29,30, 29,29,30,58,30,29,30,30,30,29), //七月29 閏七月29
 array(47,30,29,30,29,29,30,29 ,29,30,29,30,30),
 array(36,30,29,30,29,30,29,30,29,29,30,29,30),
 array(25 ,30,29,30,30,59,29,30,29,29,30,29,30,29), //五月29 閏五月30
 array(44,29,30,30, 29,30,30,29,30,29,29,30,29),
 array(32,30,29,30,29,30,30,29,30,30,29,30,29) ,
 array(22,29,30,59,29,30,29,30,30,29,30,30,29,29), //三月29 閏三月30
 );
 //是否閏年
 private function IsLeapYear($AYear){
 return ($AYear % 4 == 0) && (($AYear % 100 != 0) || ($AYear ==% 400 == 0));
 }
 //公曆該月的天數(year：年份； month：月份)
 private function GetSMon($year,$month)
 {
 if($ this->IsLeapYear($year) && $month == 2)
 return 29;
 else
 return $this->_SMDay[$month];
 }
 //農曆名稱轉換
 private function LYearName($year)
 {
 $Name = array("零","一","二","三","四","五","六" ,"七","八","九");
 for($i=0;$i for($k=0;$k if($year[$i]==$k)
 $tmp.=$Name[$k];
 return $tmp;
 }

 private function LMonName ($month)
 {
 if($month >=1 && $month  {
 $Name = array( 1=>"正","二","三","四","五","六","七","八","九","十","十一","十二");
 return $Name[$month ];
 }
 return $month;
 }

 private function LDayName($day)
 {
 if($day >=1 && $day  {
 $Name = array( 1 =>
 "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"
 );
 return $Name[$day];
 }
 return $day ;
 }

 //公曆轉農曆(Sdate：公曆日期)
 public function S2L($date)
 {
 list($year, $month, $day) = explode("- ", $date);
 if($year = 2051 ) return false;
 //取得查詢日期到當年1月1日的天數
 $date1 = strtotime($year."-01-01");//當年1月1日
 $date2 = strtotime($year."-".$month ."-".$day);
 $days=round(($date2-$date1)/3600/24);
 $days += 1;
 //取得對應年度農曆數據，化成數組Larray
 $Larray = $this->_LMDay[$year - $this->_LStart];
 if($days  {
 $Lyear = $year - 1;
 $days = $Larray[0] - $days;
 $Larray = $this->_LMDay[$Lyear - $this->_LStart];
 if($days  {
 $Lmonth = 12;
 $Lday = $Larray[12] - $days;
 }
 else
 {
 $Lmonth = 11;
 $days = $days - $Larray[12];
 $Lday = $Larray[11] - $days;
 }
 }
 else
 {
 $Lyear = $year;
 $days = $days - $Larray[0];
 for($i = 1;$i  {
 if ($days > $Larray[$i]) $days = $days - $Larray[$i];
 else
 {
 if ($days > 30){
 $days = $ days - $Larray[13];
 $Ltype = 1;
 }

 $Lmonth = $i;
 $Lday = $days;
 break;
 } }
 }
 }
 return mktime(0, 0, 0, $Lmonth, $Lday, $Lyear);
 //$Ldate = $Lyear."-".$Lmonth."- ".$Lday;
 //$Ldate = $this->LYearName($Lyear)."年".$this->LMonName($Lmonth)."月".$this->LDayName($Lday) ;
 //if($Ltype) $Ldate.="(閏)";
 //return $Ldate;
 }
 //農曆轉公曆(date：農曆日期；類型：是否閏月)
 public function L2S($date,$type = 0)
 {
 list($year, $month, $day) = split("-",$date);
 if($year = 2051 ) return false;
 $Larray = $this->_LMDay[$year - $this- >_LStart];
 if($type == 1 && count($Larray) //如果查詢的農曆是閏月並該年度農曆數組存在閏月資料就取得
 if($Larray[$month]>30 && $type == 1 && count($Larray) >=13) $day = $Larray[13] + $day;
 //取得該年農曆日期到公曆1月1日的天數
 $days = $day;
 for($i=0;$i $days += $Larray[$i];
 //當查詢農曆日期距離公曆1月1日超過一年時
 if($days > 366 || ($this->GetSMon($ month,2)!=29 && $days>365 ))
 {
 $Syear = $year +1;
 if($this->GetSMon($month,2)!=29)
 $days-=366;
 else
 $days-=365;
 if($days > $this->_SMDay[1])
 {
 $Smonth = 2;
 $Sday = $days - $this->_SMDay[1];
 }
 else
 {
 $Smonth = 1;
 $Sday = $days;
 }
 }
 else
 {
 $Syear =$year;
 for($i=1;$i {
 if( $days > $this->GetSMon($Syear,$i))
 $days-=$this->GetSMon($Syear,$i);
 else
 {
 $Smonth = $i;
 $Sday = $days;
 break;
 }
 }
 }
 return mktime(0, 0, 0, $Smonth, $Sday, $Syear) ;
 //$Sdate = $Syear."-".$Smonth."-".$Sday;
 //return $Sdate;
 }
}
?>

 require_once 'Lunar.php';
 $today = date("Y-m-d");
 $lunar = new Lunar();
 //公曆轉農曆
 $nl = date("Y-m-d",$lunar->S2L($today));
 //農曆轉公曆
 $gl = date("Y-m-d", $lunar->L2S($nl));
 echo "今天公曆是:$today";
 echo "轉為農曆是:$nl";
 echo "轉回公曆是:$gl";
?>