(PHP 4, PHP 5, PHP 7)
GregorianToJD — 转锟斤拷一锟斤拷Gregorian锟斤拷锟斤拷锟斤拷锟节碉拷Julian Day锟斤拷锟斤拷
$month
, int $day
, int $year
) : intGregorian锟斤拷锟斤拷锟侥猴拷锟斤拷围锟斤拷4714 B.C. 锟斤拷 9999 A.D.
锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷源锟斤拷锟�4714 B.C.锟斤拷前锟斤拷锟斤拷锟节ｏ拷锟斤拷锟斤拷没锟斤拷锟斤拷锟藉。Gregorian锟斤拷锟斤拷直锟斤拷1582锟斤拷10锟斤拷15锟秸ｏ拷锟斤拷锟斤拷Julian锟斤拷锟斤拷锟斤拷1582锟斤拷10锟斤拷5锟秸ｏ拷锟脚憋拷锟斤拷锟斤拷锟斤拷锟杰撅拷锟皆猴拷一些锟斤拷锟斤拷也没锟叫斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟界，英锟斤拷锟斤拷锟斤拷1752锟疥开始使锟斤拷Gregorian锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1918锟疥，希锟斤拷锟斤拷锟斤拷1923锟疥，锟襟部分碉拷欧锟睫癸拷锟斤拷使锟斤拷Julian锟斤拷锟斤拷锟斤拷
month锟铰份的凤拷围锟斤拷 1锟斤拷January锟斤拷锟斤拷 12锟斤拷December锟斤拷锟斤拷
day锟斤拷锟节的凤拷围锟斤拷 1锟斤拷 31锟斤拷
year锟斤拷莸姆锟轿э拷锟� -4714 锟斤拷 9999锟斤拷
锟斤拷锟斤拷gregorian锟斤拷锟斤拷锟斤拷锟节碉拷julian锟斤拷锟斤拷锟斤拷
Example #1 Calendar functions
<?php
$jd = GregorianToJD(10, 11, 1970);
echo "$jd\n";
$gregorian = JDToGregorian($jd);
echo "$gregorian\n";
?>