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

(PHP 5 >= 5.3.0, PHP 7) Alias of

(PHP 5, PHP 7) Returns time of sunset for a given day and location

(PHP 5 >= 5.2.0, PHP 7) Alias of

(PHP 5 >= 5.2.0, PHP 7) Alias of

(PECL hrtime >= 0.4.3) Stop time measurement

(PHP 4, PHP 5, PHP 7) Converts a Julian Day Count to the French Republican Calendar

(PECL hrtime >= 0.4.3) Start time measurement

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

(PHP 5 >= 5.1.0, PHP 7) Parse a time/date generated with