Date/Time Formats for PHP Functions
For PHP (versions 3,4 and 5). Usually used with the date() function. For more detailed examples and information, see the PHP online documentation, in particular, the date function page.
A couple of examples:
date("F jS, Y",time()); = May 13th, 2008
date("g:ia / M jS",time()); = 4:38am / May 13th
| Description | Example returned values | |
|---|---|---|
| a | Lowercase Ante meridiem and Post meridiem | am or pm |
| A | Uppercase Ante meridiem and Post meridiem | AM or PM |
| B | Swatch Internet time | 000 through 999 |
| c | ISO 8601 date (added in PHP 5) | 2004-02-12T15:19:21+00:00 |
| d | Day of the month, 2 digits with leading zeros | 01 to 31 |
| D | A textual representation of a day, three letters | Mon through Sun |
| F | A full textual representation of a month, such as January or March | January through December |
| g | 12-hour format of an hour without leading zeros | 1 through 12 |
| G | 24-hour format of an hour without leading zeros | 0 through 23 |
| h | 12-hour format of an hour with leading zeros | 01 through 12 |
| H | 24-hour format of an hour with leading zeros | 00 through 23 |
| i | Minutes with leading zeros | 00 to 59 |
| I | Whether or not the date is in daylights savings time | 1 if Daylight Savings Time, 0 otherwise. |
| j | Day of the month without leading zeros | 1 to 31 |
| l | A full textual representation of the day of the week | Sunday through Saturday |
| L | Whether it's a leap year | 1 if it is a leap year, 0 otherwise. |
| m | Numeric representation of a month, with leading zeros | 01 through 12 |
| M | A short textual representation of a month, three letters | Jan through Dec |
| n | Numeric representation of a month, without leading zeros | 1 through 12 |
| O | Difference to Greenwich time (GMT) in hours | Example: +0200 |
| r | RFC 2822 formatted date | Example: Thu, 21 Dec 2000 16:01:07 +0200 |
| s | Seconds, with leading zeros | 00 through 59 |
| S | English ordinal suffix for the day of the month, 2 characters | st, nd, rd or th. Works well with j |
| t | Number of days in the given month | 28 through 31 |
| T | Timezone setting of this machine | Examples: EST, MDT ... |
| U | Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) | |
| w | Numeric representation of the day of the week | 0 (for Sunday) through 6 (for Saturday) |
| W | ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0) | Example: 42 (the 42nd week in the year) |
| Y | A full numeric representation of a year, 4 digits | Examples: 1999 or 2003 |
| y | A two digit representation of a year | Examples: 99 or 03 |
| z | The day of the year (starting from 0) | 0 through 365 |
| Z | Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive. | -43200 through 43200 |
