# pandas.Period.day_of_week¶

Period.day_of_week

Day of the week the period lies in, with Monday=0 and Sunday=6.

If the period frequency is lower than daily (e.g. hourly), and the period spans over multiple days, the day at the start of the period is used.

If the frequency is higher than daily (e.g. monthly), the last day of the period is used.

Returns
int

Day of the week.

Period.day_of_week

Day of the week the period lies in.

Period.weekday

Alias of Period.day_of_week.

Period.day

Day of the month.

Period.dayofyear

Day of the year.

Examples

>>> per = pd.Period('2017-12-31 22:00', 'H')
>>> per.day_of_week
6


For periods that span over multiple days, the day at the beginning of the period is returned.

>>> per = pd.Period('2017-12-31 22:00', '4H')
>>> per.day_of_week
6
>>> per.start_time.day_of_week
6


For periods with a frequency higher than days, the last day of the period is returned.

>>> per = pd.Period('2018-01', 'M')
>>> per.day_of_week
2
>>> per.end_time.day_of_week
2