日期和时间

from datetime import datetime, date, time
dt = datetime(2018, 12, 6, 22, 13, 50)
dt.day

6

dt.minute

13

dt.date()

datetime.date(2018, 12, 6)

dt.time

<function datetime.time>

dt.time()

datetime.time(22, 13, 50)

dt.strftime('%m/%d/%Y %H:%M')

'12/06/2018 22:13'

datetime.strptime('20091031', '%Y%m%d')

datetime.datetime(2009, 10, 31, 0, 0)

dt.replace(minute=0, second=0)

datetime.datetime(2018, 12, 6, 22, 0)

dt2 = datetime(2018, 12, 6, 22, 22, 50)

delta = dt2 - dt
delta

datetime.timedelta(seconds=540)

type(delta)

datetime.timedelta

dt

datetime.datetime(2018, 12, 6, 22, 13, 50)

dt + delta

datetime.datetime(2018, 12, 6, 22, 22, 50)