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# pandas.tseries.offsets.CustomBusinessMonthEnd.is_quarter_start

CustomBusinessMonthEnd.is_quarter_start(ts)

  Return boolean whether a timestamp occurs on the quarter start.

  This method checks if the given timestamp falls on the first day of a calendar quarter (January 1, April 1, July 1, or October 1).

  Parameters:
    ts Timestamp

      The timestamp to check.

  See also

  `is_quarter_end`

    Return boolean whether a timestamp occurs on the quarter end.

  Examples

      >>> ts = pd.Timestamp(2022, 1, 1)
      >>> freq = pd.offsets.Hour(5)
      >>> freq.is_quarter_start(ts)
      True