(PHP 4, PHP 5, PHP 7) Returns a month name string

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Converts from Julian Day Count to a supported calendar

(PHP 4, PHP 5, PHP 7) Converts a Julian Calendar date to Julian Day Count

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Converts from a supported calendar to Julian Day Count

(PHP 4, PHP 5, PHP 7) Get number of days after March 21 on which Easter falls for a given year

(PHP 4, PHP 5, PHP 7) Converts a Julian Day Count to a Julian Calendar Date

(PHP 4, PHP 5, PHP 7) Converts a Gregorian date to Julian Day Count

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns information about a particular calendar

(PHP 4, PHP 5, PHP 7) Convert Julian Day to Unix timestamp

(PHP 4, PHP 5, PHP 7) Converts a Julian day count to a Jewish calendar date