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# pandas.DatetimeIndex.year

property DatetimeIndex.year

  The year of the datetime.

  This attribute returns the year component of each datetime value in the Series/Index. The returned values are integers representing the calendar year.

  See also

  `DatetimeIndex.month`

    The month as January=1, December=12.

  `DatetimeIndex.day`

    The day of the datetime.

  Examples

      >>> datetime_series = pd.Series(
      ...     pd.date_range("2000-01-01", periods=3, freq="YE")
      ... )
      >>> datetime_series
      0   2000-12-31
      1   2001-12-31
      2   2002-12-31
      dtype: datetime64[us]
      >>> datetime_series.dt.year
      0    2000
      1    2001
      2    2002
      dtype: int32