スニペットなどで使用されるフォーマット。
例：strtotime:date=`%Y/%-m/%d` → 2011/5/11
| Code | Display | Example |
|---|---|---|
| %a | Short weekday name | Sun |
| %A | Full weekday name | Sunday |
| %b | Short month name | Jan |
| %B | Full month name | January |
| %c | Local date and time | Wed Jan 7 00:22:10 2010 |
| %C | Century (the year divided by 100, range 00 to 99) | 20 |
| %d | Day of the month (01 to 31) | 03 |
| %D | Same as %m/%d/%y | 04/29/10 |
| %e | Day of the month (1 to 31) | 3 |
| %g | like %G, but without the century | 11 |
| %G | The 4-digit year corresponding to the ISO week number (see %V). This has the same format and value as %Y | 2011 |
| %h | same as %b | |
| %H | Hour (24-hour clock) | 00-23 |
| %I | Hour (12-hour clock) | 01-12 |
| %j | Day of the year | 001 to 366 |
| %m | Month | 01 to 12 |
| %-m | Month | 1 to 12 |
| %M | Minute | 00 to 59 |
| %n | Newline character | \n |
| %p | am or pm | amz |
| %P | AM or PM | AM |
| %r | Same as %I:%M:%S %p | 08:23:11 PM |
| %R | Same as %H:%M | 23:11 |
| %S | Second | 00 to 59 |
| %t | Tab character | \t |
| %T | Same as %H:%M:%S | 26:12:27 |
| %u | Weekday (Monday=1) | 01 to 07 |
| %V | The ISO 8601:1988 week number of the current year as a decimal number, \\range 01 to 53, where week 1 is the first week that has at least 4 days in the current year, \\and with Monday as the first day of the week. | 01-53 |
| %w | Weekday (Sunday=0) | 00 to 06 |
| %x | Date only | 01/25/09 |
| %X | Time only | 02:58:12 |
| %y | Two-digit year | 09 |
| %Y | Four-digit year | 2010 |
| %Z or %z | Time zone offset or name | -005 or EST |
| %% | A literal % character | % |