| Format | Example | Description |
|---|
| d | 15 | d – The day of the month (from 01 to 31) |
| D | Fri | D – A textual representation of a day (three letters) |
| j | 15 | j – The day of the month without leading zeros (1 to 31) |
| l | Friday | l (lowercase ‘L’) – A full textual representation of a day |
| N | 5 | N – The ISO-8601 numeric representation of a day (1 for Monday, 7 for Sunday) |
| S | th | S – The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j) |
| w | 5 | w – A numeric representation of the day (0 for Sunday, 6 for Saturday) |
| z | 45 | z – The day of the year (from 0 through 365) |
| W | 07 | W – The ISO-8601 week number of year (weeks starting on Monday) |
| F | February | F – A full textual representation of a month (January through December) |
| m | 02 | m – A numeric representation of a month (from 01 to 12) |
| M | Feb | M – A short textual representation of a month (three letters) |
| n | 2 | n – A numeric representation of a month, without leading zeros (1 to 12) |
| t | 28 | t – The number of days in the given month |
| L | 0 | L – Whether it’s a leap year (1 if it is a leap year, 0 otherwise) |
| o | 2019 | o – The ISO-8601 year number |
| Y | 2019 | Y – A four digit representation of a year |
| y | 19 | y – A two digit representation of a year |
| a | pm | a – Lowercase am or pm |
| A | PM | A – Uppercase AM or PM |
| B | 775 | B – Swatch Internet time (000 to 999) |
| g | 5 | g – 12-hour format of an hour (1 to 12) |
| G | 17 | G – 24-hour format of an hour (0 to 23) |
| h | 05 | h – 12-hour format of an hour (01 to 12) |
| H | 17 | H – 24-hour format of an hour (00 to 23) |
| i | 36 | i – Minutes with leading zeros (00 to 59) |
| s | 18 | s – Seconds, with leading zeros (00 to 59) |
| u | 000000 | u – Microseconds (added in PHP 5.2.2) |
| e | UTC | e – The timezone identifier (Examples: UTC, GMT, Atlantic/Azores) |
| I | 0 | I (capital i) – Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise) |
| O | +0000 | O – Difference to Greenwich time (GMT) in hours (Example: +0100) |
| P | +00:00 | P – Difference to Greenwich time (GMT) in hours:minutes (added in PHP 5.1.3) |
| T | UTC | T – Timezone abbreviations (Examples: EST, MDT) |
| Z | 0 | Z – Timezone offset in seconds. The offset for timezones west of UTC is negative (-43200 to 50400) |
| c | 2019-02-15T17:36:18+00:00 | c – The ISO-8601 date (e.g. 2013-05-05T16:34:42+00:00) |
| r | Fri, 15 Feb 2019 17:36:18 +0000 | r – The RFC 2822 formatted date (e.g. Fri, 12 Apr 2013 12:01:05 +0200) |
| U | 1550252178 | U – The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) |
