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# pandas.PeriodIndex.weekofyear

property PeriodIndex.weekofyear

  The week ordinal of the year.

  Returns the week number (1 through 53) for each period in the index.

  See also

  `PeriodIndex.day_of_week`

    The day of the week with Monday=0, Sunday=6.

  `PeriodIndex.dayofweek`

    The day of the week with Monday=0, Sunday=6.

  `PeriodIndex.week`

    The week ordinal of the year.

  `PeriodIndex.weekday`

    The day of the week with Monday=0, Sunday=6.

  `PeriodIndex.year`

    The year of the period.

  Examples

      >>> idx = pd.PeriodIndex(["2023-01", "2023-02", "2023-03"], freq="M")
      >>> idx.week  # It can be written `weekofyear`
      Index([5, 9, 13], dtype='int64')