Python's strftime
List of strftime format codes. Used as a quick reference.
Source Python Documentation
The examples are based on: datetime.datetime(2019, 1, 1, hour=9, minute=15, second=59, microsecond=0, tzinfo=pytz.utc)
| Directive | Meaning | Example |
|---|---|---|
| %a | Weekday as locale’s abbreviated name. | Tue |
| %A | Weekday as locale’s full name. | Tuesday |
| %w | Weekday as a decimal number, where 0 is Sunday and 6 is Saturday. | 2 |
| %d | Day of the month as a zero-padded decimal number. | 01 |
| %-d | Day of the month as a decimal number. (Platform specific) | 1 |
| %b | Month as locale’s abbreviated name. | Jan |
| %B | Month as locale’s full name. | January |
| %m | Month as a zero-padded decimal number. | 01 |
| %-m | Month as a decimal number. (Platform specific) | 1 |
| %y | Year without century as a zero-padded decimal number. | 19 |
| %Y | Year with century as a decimal number. | 2019 |
| %H | Hour (24-hour clock) as a zero-padded decimal number. | 09 |
| %-H | Hour (24-hour clock) as a decimal number. (Platform specific) | 9 |
| %I | Hour (12-hour clock) as a zero-padded decimal number. | 09 |
| %-I | Hour (12-hour clock) as a decimal number. (Platform specific) | 9 |
| %p | Locale’s equivalent of either AM or PM. | AM |
| %M | Minute as a zero-padded decimal number. | 15 |
| %-M | Minute as a decimal number. (Platform specific) | 15 |
| %S | Second as a zero-padded decimal number. | 59 |
| %-S | Second as a decimal number. (Platform specific) | 59 |
| %f | Microsecond as a decimal number, zero-padded on the left. | 000000 |
| %z | UTC offset in the form ±HHMM[SS[.ffffff]] (empty string if the object is naive). | +0000 |
| %Z | Time zone name (empty string if the object is naive). | UTC |
| %j | Day of the year as a zero-padded decimal number. | 001 |
| %-j | Day of the year as a decimal number. (Platform specific) | 1 |
| %U | Week number of the year (Sunday as the first day of the week) as a zero padded decimal number. All days in a new year preceding the first Sunday are considered to be in week 0. | 00 |
| %W | Week number of the year (Monday as the first day of the week) as a decimal number. All days in a new year preceding the first Monday are considered to be in week 0. | 00 |
| %c | Locale’s appropriate date and time representation. | Tue Jan 1 09:15:59 2019 |
| %x | Locale’s appropriate date representation. | 01/01/19 |
| %X | Locale’s appropriate time representation. | 09:15:59 |
| %% | A literal '%' character. | % |
Useful combinations:
| Mask | Result |
|---|---|
%Y-%m-%dT%H:%M:%SZ |
2019-01-01T09:15:59Z |