python datetime timedelta

import datetime

tmp1 = date1 + date2
tmp2_bool = date1 > date2 # return True
today = datetime.date.today()
five_days_after = today + datetime.timedelta(days=5)
seven_days_before = today - datetime.timedelta(days=7)
seven_days_five_hours_before = today - datetime.timedelta(days=7, hours=5)

date1 = datetime.timedelta(hours=5) # 5 hours later from now

date2 = datetime.timedelta(days=-5) # 5 days earlyer from today

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