1 # datatime模块 2 import datetime 3 now_time = datetime.datetime.now() # 现在的时间 4 # 只能调整的字段：weeks days hours minutes seconds 5 print(datetime.datetime.now() + datetime.timedelta(weeks=3)) # 三周后 6 print(datetime.datetime.now() + datetime.timedelta(weeks=-3)) # 三周前 7 print(datetime.datetime.now() + datetime.timedelta(days=-3)) # 三天前 8 print(datetime.datetime.now() + datetime.timedelta(days=3)) # 三天后 9 print(datetime.datetime.now() + datetime.timedelta(hours=5)) # 5小时后 10 print(datetime.datetime.now() + datetime.timedelta(hours=-5)) # 5小时前 11 print(datetime.datetime.now() + datetime.timedelta(minutes=-15)) # 15分钟前 12 print(datetime.datetime.now() + datetime.timedelta(minutes=15)) # 15分钟后 13 print(datetime.datetime.now() + datetime.timedelta(seconds=-70)) # 70秒前 14 print(datetime.datetime.now() + datetime.timedelta(seconds=70)) # 70秒后 15 16 current_time = datetime.datetime.now() 17 # 可直接调整到指定的 年 月 日 时 分 秒 等 18 19 print(current_time.replace(year=1977)) # 直接调整到1977年 20 print(current_time.replace(month=1)) # 直接调整到1月份 21 print(current_time.replace(year=1989,month=4,day=25)) # 1989-04-25 18:49:05.898601 22 23 # 将时间戳转化成时间 24 print(datetime.date.fromtimestamp(1232132131)) # 2009-01-17