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# pandas.DatetimeIndex.snap

DatetimeIndex.snap(freq='S')

  Snap time stamps to nearest occurring frequency.

  Parameters:
    freq str, Timedelta, datetime.timedelta, or DateOffset, default ‘S’

      Frequency strings can have multiples, e.g. ‘5h’. See here for a list of frequency aliases.

  Returns:
    DatetimeIndex

      Time stamps to nearest occurring freq.

  See also

  `DatetimeIndex.round`

    Perform round operation on the data to the specified freq.

  `DatetimeIndex.floor`

    Perform floor operation on the data to the specified freq.

  Examples

      >>> idx = pd.DatetimeIndex(
      ...     ["2023-01-01", "2023-01-02", "2023-02-01", "2023-02-02"],
      ...     dtype="M8[ns]",
      ... )
      >>> idx
      DatetimeIndex(['2023-01-01', '2023-01-02', '2023-02-01', '2023-02-02'],
      dtype='datetime64[ns]', freq=None)
      >>> idx.snap("MS")
      DatetimeIndex(['2023-01-01', '2023-01-01', '2023-02-01', '2023-02-01'],
      dtype='datetime64[ns]', freq=None)