Fecha de Python más días, semanas, horas timedelta
1. Timedelta-days: unos días después
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: unas semanas después
aft_weeks = date1 + dt.timedelta(weeks = 3) # datetime.datetime(2019, 8, 16, 15, 35, 10)
3. Timedelta-hours: unas horas más tarde
aft_hours = date1 + dt.timedelta(hours = 10) # datetime.datetime(2019, 7, 27, 1, 35, 10)
Fecha de Python menos días, semanas, horas
1. Timedelta-days: hace unos días
ex_days = date1 - dt.timedelta(days = 3) # datetime.datetime(2019, 7, 23, 15, 35, 10)
2. Timedelta-weeks: hace unas semanas
ex_weeks = date1 - dt.timedelta(weeks = 3) # datetime.datetime(2019, 7, 5, 15, 35, 10)
3. Timedelta-hours: hace unas horas
ex_hours = date1 - dt.timedelta(hours = 10) # datetime.datetime(2019, 7, 26, 5, 35, 10)