datetime 模块
>>> import datetime >>> datetime.datetime.now() datetime.datetime(2019, 1, 12, 15, 43, 12, 21677) >>> now_time = datetime.datetime.now() >>> print(now_time) 2019-01-12 15:43:48.265809 >>> # 只能调整的字段： weeks days hours minutes seconds >>> print(now_time + datetime.timedelta(weeks=2)) # 两周后 2019-01-26 15:43:48.265809 >>> print(now_time + datetime.timedelta(weeks=-2)) # 两周前 2018-12-29 15:43:48.265809 >>> print(now_time + datetime.timedelta(days=3)) #三天后 2019-01-15 15:43:48.265809 >>> print(now_time + datetime.timedelta(days=-3)) #三天前 2019-01-09 15:43:48.265809 >>> print(now_time + datetime.timedelta(hours=5)) # 5小时后 2019-01-12 20:43:48.265809 >>> print(now_time + datetime.timedelta(hours=-5)) # 5小时前 2019-01-12 10:43:48.265809 >>> print(now_time + datetime.timedelta(minutes=10)) # 10分钟后 2019-01-12 15:53:48.265809 >>> print(now_time + datetime.timedelta(minutes=-10)) # 10分钟前 2019-01-12 15:33:48.265809 >>> print(now_time + datetime.timedelta(seconds=-80)) # 80秒前 2019-01-12 15:42:28.265809 >>> print(now_time + datetime.timedelta(seconds=80)) # 80秒后 2019-01-12 15:45:08.265809 >>> >>> # 可以直接调整到指定的 年 月 日 时 分 秒 等 >>> current_time = datetime.datetime.now() >>> print(current_time.replace(year=1996)) 1996-01-12 15:56:21.405609 >>> print(current_time.replace(month=8)) 2019-08-12 15:56:21.405609 >>> print(current_time.replace(year=2004, month=9,day=1)) 2004-09-01 15:56:21.405609 >>> >>> print(datetime.date.fromtimestamp(1309480210)) # 将时间戳转化成时间 2011-07-01 >>>