otp.Operation.dt.day_of_week#

_DtAccessor.day_of_week(start_index, start_day, timezone)#

Return the day of the week.

Assuming the week starts on start_day, which is denoted by start_index. Default: Monday - 1, …, Sunday - 7; set according to ISO8601

Parameters:

  • start_index (int or Operation) – The index of the start_day.

  • start_day ('monday' or 'sunday') – Day that will be denoted with start_index

  • timezone (str | Operation | Column) – Name of the timezone, an operation or a column with it. By default, the timezone of the query will be used.

Examples

>>> data = otp.Ticks(X=[otp.dt(2022, 5, i) for i in range(9, 16)])
>>> data['DAY_OF_WEEK'] = data['X'].dt.day_of_week()
>>> otp.run(data)[['X', 'DAY_OF_WEEK']]
           X  DAY_OF_WEEK
0 2022-05-09            1
1 2022-05-10            2
2 2022-05-11            3
3 2022-05-12            4
4 2022-05-13            5
5 2022-05-14            6
6 2022-05-15            7