01x01
1/31/2019 - 12:34 PM
datatime 模块
# 时间对象 转字符串
from datetime import datetime
datetime.strftime(datetime.now(),"%Y-%m-%d %H:%M:%S")# 字符串对象转时间对象
from datetime import datetime
>>> datetime.strptime('2018-09-09',"%Y-%m-%d")
datetime.datetime(2018, 9, 9, 0, 0)# GMT 时间格式
GMT_FORMAT = '%a, %d %b %Y %H:%M:%S GMT'
# 美国时间 和 UTC 时间 转换
datetime.strftime(datetime.utcnow()-timedelta(hours=8),'%Y-%m-%d %H:%M:%S')
| Symbol | Meaning | Example |
|---|---|---|
| %a | Abbreviated weekday name | 'Wed' |
| %A | Full weekday name | 'Wednesday' |
| %w | Weekday number: 0 (Sunday) through 6 (Saturday) | '3' |
| %d | Day of the month (zero padded) | '13' |
| %b | Abbreviated month name | 'Jan' |
| %B | Full month name | 'January' |
| %m | Month of the year | '01' |
| %y | Year without century | '18' |
| %Y | Year with century | '2018' |
| %H | Hour from 24-hour clock | '17' |
| %I | Hour from 12-hour clock | '05' |
| %p | AM/PM | 'PM' |
| %M | Minutes | '00' |
| %S | Seconds | '00' |
| %f | Microseconds | '000000' |
| %z | UTC offset for time zone–aware objects | '-0500' |
| %Z | Time zone name | 'EST' |
| %j | Day of the year | '013' |
| %W | Week of the year | '02' |
| %c | Date and time representation for the current locale | 'Wed Jan 13 17:00:00 2016' |
| %x | Date representation for the current locale | '01/13/16' |
| %X | Time representation for the current locale | '17:00:00' |
| %% | A literal % character | '%' |