https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior
| 类型 | Directive | Meaning | Example |
|---|---|---|---|
| 年份 | %Y |
Year with century as a decimal number. | 0001, 0002, …, 2013, 2014, …, 9998, 9999 |
| 年份 | %y |
Year without century as a zero-padded decimal number. | 00, 01, …, 99 |
| 月份 | %m |
Month as a zero-padded decimal number. | 01, 02, …, 12 |
| 月份 | %b |
Month as locale’s abbreviated name. | Jan, Feb, …, Dec (en_US);Jan, Feb, …, Dez (de_DE) |
| 月份 | %B |
Month as locale’s full name. | January, February, …, December (en_US);Januar, Februar, …, Dezember (de_DE) |
| 日期 | %d |
Day of the month as a zero-padded decimal number. | 01, 02, …, 31 |
| 星期 | %a |
Weekday as locale’s abbreviated name. | Sun, Mon, …, Sat (en_US);So, Mo, …, Sa (de_DE) |
| 星期 | %A |
Weekday as locale’s full name. | Sunday, Monday, …, Saturday (en_US);Sonntag, Montag, …, Samstag (de_DE) |
| 星期 | %w |
Weekday as a decimal number, where 0 is Sunday and 6 is Saturday. | 0, 1, …, 6 |
| 小时 | %H |
Hour (24-hour clock) as a zero-padded decimal number. | 00, 01, …, 23 |
| 小时 | %I |
Hour (12-hour clock) as a zero-padded decimal number. | 01, 02, …, 12 |
| 分钟 | %M |
Minute as a zero-padded decimal number. | 00, 01, …, 59 |
| 秒 | %S |
Second as a zero-padded decimal number. | 00, 01, …, 59 |
| 上/下午 | %p |
Locale’s equivalent of either AM or PM. | AM, PM (en_US);am, pm (de_DE) |
| 时区 | %Z |
Time zone name (empty string if the object is naive). | (empty), UTC, EST, CST |
| UTC | %z |
UTC offset in the form ±HHMM[SS[.ffffff]] (empty string if the object is naive). |
(empty), +0000, -0400, +1030, +063415, -030712.345216 |
| 一年中的天数 | %j |
Day of the year as a zero-padded decimal number. | 001, 002, …, 366 |
| 一年中的周数 | %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, 01, …, 53 |
| 一年中的周数 | %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, 01, …, 53 |
%f |
Microsecond as a decimal number, zero-padded on the left. | 000000, 000001, …, 999999 | |
%c |
Locale’s appropriate date and time representation. | Tue Aug 16 21:30:00 1988 (en_US);Di 16 Aug 21:30:00 1988 (de_DE) | |
%x |
Locale’s appropriate date representation. | 08/16/88 (None);08/16/1988 (en_US);16.08.1988 (de_DE) | |
%X |
Locale’s appropriate time representation. | 21:30:00 (en_US);21:30:00 (de_DE) | |
%% |
A literal '%' character. |
% |
