Python日付と日、週、時間timedelta

Python日付と日、週、時間timedelta

1. Timedelta-days：数日後

import datetime as dt
date1 = dt.datetime(2019, 7, 26, 15, 35, 10) 
aft_days = date1 + dt.timedelta(days = 3)  # datetime.datetime(2019, 7, 29, 15, 35, 10)

2. Timedelta-weeks：数週間後

aft_weeks = date1 + dt.timedelta(weeks = 3)  # datetime.datetime(2019, 8, 16, 15, 35, 10)

3. Timedelta-hours：数時間後

aft_hours = date1 + dt.timedelta(hours = 10)  # datetime.datetime(2019, 7, 27, 1, 35, 10)

Pythonの日付から日、週、時間を差し引いたもの

1. Timedelta-days：数日前

ex_days = date1 - dt.timedelta(days = 3)  # datetime.datetime(2019, 7, 23, 15, 35, 10)

2. Timedelta-weeks：数週間前

ex_weeks = date1 - dt.timedelta(weeks = 3)  # datetime.datetime(2019, 7, 5, 15, 35, 10)

3. Timedelta-hours：数時間前

ex_hours = date1 - dt.timedelta(hours = 10)  # datetime.datetime(2019, 7, 26, 5, 35, 10)