PHP Built in Calendar Functions
Like any other programming language, PHP has built in calendar functions which is used to get number of days in a month, converts a date in a specified calendar, get month name adn so on. These PHP calendar functions are part of core PHP so you can use wherever required. Find below list of calendar functions in PHP:
| Function | Description |
|---|---|
| cal_days_in_month() | Returns the number of days in a month for a specified year and calendar |
| cal_from_jd() | Converts a Julian Day Count into a date of the specified calendar |
| cal_info() | Returns information about a specified calendar |
| cal_to_jd() | Converts a date in a specified calendar to Julian Day Count |
| easter_date() | Returns the Unix timestamp for midnight on Easter of the given year |
| easter_days() | Returns the number of days after March 21 on which Easter falls for a given year |
| frenchtojd() | Converts a date from the French Republican Calendar to a Julian Day Count |
| gregoriantojd() | Converts a Gregorian date to a Julian Day Count |
| jddayofweek() | Returns the day of the week |
| jdmonthname() | Returns a month name |
| jdtofrench() | Converts a Julian Day Count to a French Republican date |
| jdtogregorian() | Converts Julian Day Count to Gregorian date |
| jdtojewish() | Converts a Julian day count to a Jewish calendar date |
| jdtojulian() | Converts a Julian Day Count to a Julian Calendar Date |
| jdtounix() | Convert Julian Day to Unix timestamp |
| jewishtojd() | Converts a date in the Jewish Calendar to Julian Day Count |
| juliantojd() | Converts a Julian Calendar date to Julian Day Count |
| unixtojd() | Convert Unix timestamp to Julian Day |
