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# pandas.Series.dt.weekday

Series.dt.weekday

  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.

  Returns:
    Series or Index

      Containing integers indicating the day number.

  See also

  `Series.dt.dayofweek`

    Alias.

  `Series.dt.weekday`

    Alias.

  `Series.dt.day_name`

    Returns the name of the day of the week.

  Examples

      >>> s = pd.date_range('2016-12-31', '2017-01-08', freq='D').to_series()
      >>> s.dt.dayofweek
      2016-12-31    5
      2017-01-01    6
      2017-01-02    0
      2017-01-03    1
      2017-01-04    2
      2017-01-05    3
      2017-01-06    4
      2017-01-07    5
      2017-01-08    6
      Freq: D, dtype: int32