PHP | jewishtojd() Function Last Updated : 30 Apr, 2018 Comments Improve Suggest changes Like Article Like Report The jewishtojd() function is a built-in function which converts a Jewish Date to a Julian Day Count. The function accepts three parameters in format $month / $day / $year, which represents the date in Jewish or Hebrew calendar and converts it to a Julian Day count. Syntax: jewishtojd( $month, $day, $year) Parameters: The function accepts three mandatory parameters as shown above and described below: $month - This parameter specifies the month number in Jewish calendar. The month number is in range 1-13 inclusive. If a month number in excess of 12 or less than 1 is passed, the Julian day is returned as 0. $day - This parameter specifies the day in Jewish calendar. The day number is in range 1-30 inclusive. If a day number in excess of 31 or less than 1 is passed, the Julian day is returned as 0. Leap years are not taken into consideration $year - This parameter specifies the year in Jewish calendar. The year number is in range 1-9999 inclusive. Return Value: The function returns the Jewish date converted to a Julian Day count. Examples: Input : $month=4, $day=8, $year=13 Output : 352465 Input : $month=4, $day=8, $year=898 Output : 675707 Below programs illustrate the jewishtojd() function. Program 1: The program below demonstrates the use of jewishtojd() function. php <?php // PHP program to demonstrate the // use of jewishtojd() function // converts date to julian integer $jd = jewishtojd(4, 8, 13); // prints the julian day integer echo ($jd); ?> Output: 352465 Program 2: The program below demonstrates when day and month out of range. php <?php // PHP program to demonstrate the // use of jewishtojd() function // converts date to julian integer // month is out of range $jd = jewishtojd(22, 8, 11); // prints the julian day integer echo ($jd), "\n"; // day is out of range $jd=jewishtojd(4, 32, 11); echo ($jd); ?> Output: 0 0 Reference: http://php.net/manual/en/function.jewishtojd.php Comment More infoAdvertise with us G gopaldave Follow Improve Article Tags : Misc Web Technologies PHP PHP-Calendar Practice Tags : Misc Similar Reads PHP | cal_days_in_month( ) Function The cal_days_in_month( ) function in PHP is an inbuilt function which is used to return the number of days in a month for a specific year and according to a specific calendar such as Gregorian calendar, French calendar, Jewish calendar etc. The cal_days_in_month() function takes three parameters whi 2 min read PHP | cal_from_jd() Function The cal_from_jd() function is an inbuilt function in PHP that is used to convert a Julian Day Count into a supported calendar such as the Gregorian calendar, French Calendar, Jewish calendar, etc. This function accepts two parameters $jd and $calendar and returns the array containing calendar inform 2 min read PHP | cal_info( ) Function The cal_info() function in PHP is an inbuilt function that is used to return information about a specified calendar. 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