python date time

   现在时刻

from datetime import datetimenow=datetime.now()

   本地时间

nowOut[45]: datetime.datetime(2017, 4, 12, 14, 4, 39, 846687)

   世界时间

datetime.utcnow()Out[46]: datetime.datetime(2017, 4, 12, 6, 7, 47, 338687)

now.yearOut[55]: 2017now.monthOut[56]: 4now.dayOut[57]: 12type(now)Out[58]: datetime.datetime

   计算时间差

delta=datetime(2011,1,7)-datetime(2008,6,24,8,15)deltaOut[60]: datetime.timedelta(926, 56700)delta.daysOut[61]: 926delta.secondsOut[62]: 56700