PHP農曆西曆轉換
- /*
- 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);//定義西曆月分天數
- 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西曆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 閏七月29
- array(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) || ($AYear % 400 == 0));
- }
- //西曆該月的天數(year:年份; month:月份)
- private function GetSMon($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;$i<4;$i++)
- for($k=0;$k<10;$k++)
- if($year[$i]==$k)
- $tmp.=$Name[$k];
- return $tmp;
- }
- private function LMonName($month)
- {
- if($month >=1 && $month <=12 )
- {
- $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 <=30 )
- {
- $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 $day;
- }
- //西曆轉農曆(Sdate:西曆日期)
- public function S2L($date)
- {
- list($year, $month, $day) = explode("-", $date);
- if($year <= 1951 || $month <= 0 || $day <= 0 || $year >= 2051 )return false;
- //擷取查詢日期到當年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;
- //擷取相應年度農曆資料,化成數組Larray
- $Larray = $this->_LMDay[$year - $this->_LStart];
- if($days <= $Larray[0])
- {
- $Lyear = $year - 1;
- $days = $Larray[0] - $days;
- $Larray = $this->_LMDay[$Lyear - $this->_LStart];
- if($days < $Larray[12])
- {
- $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;$i <= 12;$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 $Ldate;
- }
- //農曆轉西曆(date:農曆日期; type:是否閏月)
- public function L2S($date,$type = 0)
- {
- list($year, $month, $day) = split("-",$date);
- if($year <= 1951 || $month <= 0 || $day <= 0 || $year >= 2051 )return false;
- $Larray = $this->_LMDay[$year - $this->_LStart];
- if($type == 1 && count($Larray)<=12 ) return false;//要求查詢閏,但查無閏月
- //如果查詢的農曆是閏月並該年度農曆數組存在閏月資料就擷取
- if($Larray[$month]>30 && $type == 1 && count($Larray) >=13)$day = $Larray[13] + $day;
- //擷取該年農曆日期到西曆1月1日的天數
- $days = $day;
- for($i=0;$i<=$month-1;$i++)
- $days += $Larray[$i];
- //當查詢農曆日期距離西曆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<=12;$i++)
- {
- if($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;
- }
- }
- ?>
複製代碼
- require_once 'Lunar.php';
- $today = date("Y-m-d");
- $lunar = new Lunar();
- //西曆轉農曆
- $nl = date("Y-m-d",$lunar->S2L($today));
- //農曆轉西曆
- $gl = date("Y-m-d",$lunar->L2S($nl));
- echo "今天西曆是:$today
";
- echo "轉為農曆是:$nl
";
- echo "轉回西曆是:$gl
";
- ?>
複製代碼 |