Table C.1. Date Format Characters Available for datetime Objects
| Character | Description | Example |
|---|
| b | Month, textual, three letters, lowercase. | jan |
| d | Day of the month, two digits with leading 0s. | 01 to 31 |
| D | Day of the week, textual, three letters. | Mon to Sun |
| F | Month, textual, long. | January |
| j | Day of the month without leading 0s. | 1 to 31 |
| l | Day of the week, textual, long. | Monday |
| L | Boolean for whether it's a leap year. | True or False |
| m | Month, two digits with leading 0s. | 01 to 12 |
| M | Month, textual, three letters. | Jan to Dec |
| n | Month, numeric, without leading 0s. | 1 to 12 |
| N | Month in Associated Press style.
Proprietary extension. | Jan., Feb., March, May |
| r | RFC 822 formatted date. | Sat, 22 Sep 2007 18:12:05 +0700 |
| S | English ordinal suffix for the day of the month, two characters. | st, nd, rd, th |
| t | Number of days in the given month. | 28 to 31 |
| w | Day of the week, numeric without leading 0s. | 0 (Sunday) to 6 (Saturday) |
| W | ISO-8601 week number in the year, with weeks starting on Monday. | 1, 52 |
| y | Year, numeric, two digits. | 08 |
| Y | Year, numeric, four digits. | 2008 |
| z | Day of the year, numeric. | 0 to 365 |
Table C.2. Time Format Characters Available for datetime and time Objects
| Character | Description | Example |
|---|
| a | Lowercase ante meridiem and post meridiem, with periods. | a.m. or p.m. |
| A | Uppercase ante meridiem and post meridiem. | AM or PM |
| f | Time, in 12-hour hours and minutes, with minutes omitted if they're 00. | 1, 5:30 |
| g | Hour, 12-hour format, without leading 0s. | 1 to 12 |
| G | Hour, 24-hour format, without leading 0s. | 0 to 23 |
| h | Hour, 12-hour format, with leading 0s. | 01 to 12 |
| H | Hour, 24-hour format, with leading 0s. | 00 to 23 |
| i | Minutes, with leading 0s. | 00 to 59 |
| O | Difference to Greenwich time in hours, four digits. | +0200 |
| P | Time, in 12-hour hours, with minutes and a.m./p.m., with minutes omitted if they're 00, and the special-case strings midnight and noon if appropriate. | 1 a.m., midnight, noon, 12:30 p.m., 5:30 p.m. |
| r | RFC 822 formatted date. | Sat, 22 Sep 200718:12:05 +0700 |
| s | Seconds, two digits with leading 0s. | 00 to 59 |
| T | Time zone of this machine. | EST, MDT |
| Z | Time zone offset in seconds. The offset for time zones west of UTC is always negative, and for those east of UTC, it is always positive. | –43200 to 50400 |
