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# pandas.DatetimeIndex.day_of_year

property DatetimeIndex.day_of_year

  The ordinal day of the year.

  Examples

  For Series:

      >>> s = pd.Series(["1/1/2020 10:00:00+00:00", "2/1/2020 11:00:00+00:00"])
      >>> s = pd.to_datetime(s)
      >>> s
      0   2020-01-01 10:00:00+00:00
      1   2020-02-01 11:00:00+00:00
      dtype: datetime64[ns, UTC]
      >>> s.dt.dayofyear
      0    1
      1   32
      dtype: int32

  For DatetimeIndex:

      >>> idx = pd.DatetimeIndex(["1/1/2020 10:00:00+00:00",
      ...                         "2/1/2020 11:00:00+00:00"])
      >>> idx.dayofyear
      Index([1, 32], dtype='int32')