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    * [ pandas.PeriodIndex ](pandas.PeriodIndex.html)
    * [ pandas.PeriodIndex.day ](pandas.PeriodIndex.day.html)
    * [ pandas.PeriodIndex.dayofweek ](pandas.PeriodIndex.dayofweek.html)
    * [ pandas.PeriodIndex.day_of_week ](pandas.PeriodIndex.day_of_week.html)
    * [ pandas.PeriodIndex.dayofyear ](pandas.PeriodIndex.dayofyear.html)
    * [ pandas.PeriodIndex.day_of_year ](pandas.PeriodIndex.day_of_year.html)
    * [ pandas.PeriodIndex.days_in_month ](pandas.PeriodIndex.days_in_month.html)
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    * [ pandas.PeriodIndex.week ](pandas.PeriodIndex.week.html)
    * [ pandas.PeriodIndex.weekday ](pandas.PeriodIndex.weekday.html)
    * [ pandas.PeriodIndex.weekofyear ](pandas.PeriodIndex.weekofyear.html)
    * [ pandas.PeriodIndex.year ](pandas.PeriodIndex.year.html)
    * [ pandas.PeriodIndex.asfreq ](pandas.PeriodIndex.asfreq.html)
    * [ pandas.PeriodIndex.strftime ](pandas.PeriodIndex.strftime.html)
    * [ pandas.PeriodIndex.to_timestamp ](pandas.PeriodIndex.to_timestamp.html)
    * [ pandas.PeriodIndex.from_fields ](pandas.PeriodIndex.from_fields.html)
    * [ pandas.PeriodIndex.from_ordinals ](pandas.PeriodIndex.from_ordinals.html)
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  * [ __ ](../../index.html)
  * [ API reference ](../index.html)
  * __
  * [ pandas.DatetimeIndex ](pandas.DatetimeIndex.html)
  * pandas.Datet... 

#  pandas.DatetimeIndex.weekday  #

_ property  _ DatetimeIndex.  weekday  [ [source]
](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/indexes/extension.py#L67-L75) #

    

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  `
](pandas.Series.dt.dayofweek.html#pandas.Series.dt.dayofweek
"pandas.Series.dt.dayofweek")

    

Alias.

[ ` Series.dt.weekday  `
](pandas.Series.dt.weekday.html#pandas.Series.dt.weekday
"pandas.Series.dt.weekday")

    

Alias.

[ ` Series.dt.day_name  `
](pandas.Series.dt.day_name.html#pandas.Series.dt.day_name
"pandas.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
    2