The day of the week with Monday=0, Sunday=6. Return the day of the week. It is assumed the week starts on Monday, which is denoted by 0 and ends on Sunday which is denoted by 6. This method is available on both Series with datetime values (using the dt accessor) or DatetimeIndex.
- Series or Index
Containing integers indicating the day number.
Returns the name of the day of the week.
>>> idx = ps.date_range('2016-12-31', '2017-01-08', freq='D') >>> idx.dayofweek Int64Index([5, 6, 0, 1, 2, 3, 4, 5, 6], dtype='int64')