PHP Calendar Functions

The following section contains a list of PHP calendar functions along with a brief description.

PHP Calendar Functions
Here is a complete list of calendar functions belonging to the latest PHP 7. These functions are the part of the PHP core so you can use them in your script without any further installation.

cal_days_in_month()
Returns the number of days in a month for a specified year and calendar.

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cal_from_jd()
Converts a Julian Day Count into a date of the specified calendar.

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cal_info()
Returns information about a specified calendar.

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cal_to_jd()
Converts a date in a specified calendar to Julian Day Count.

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easter_date()
Returns the Unix timestamp for midnight on Easter of the given year.

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easter_days()
Returns the number of days after March 21 on which Easter falls for a given year.

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frenchtojd()
Converts a date from the French Republican Calendar to a Julian Day Count.

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gregoriantojd()
Converts a Gregorian date to a Julian Day Count.

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jddayofweek()
Returns the day of the week.

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jdmonthname()
Returns a month name.

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jdtofrench()
Converts a Julian Day Count to a French Republican date.

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jdtogregorian()
Converts Julian Day Count to Gregorian date.

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jdtojewish()
Converts a Julian day count to a Jewish calendar date.

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jdtojulian()
Converts a Julian Day Count to a Julian Calendar Date.

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jdtounix()
Converts Julian Day to Unix timestamp.

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jewishtojd()
Converts a date in the Jewish Calendar to Julian Day Count.

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juliantojd()
Converts a Julian Calendar date to Julian Day Count.

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unixtojd()
Converts Unix timestamp to Julian Day.