pandas.tseries.offsets.CustomBusinessMonthBegin.rollback

CustomBusinessMonthBegin.rollback()

Roll provided date backward to next offset only if not on offset.

Returns
TimeStamp

Rolled timestamp if not on offset, otherwise unchanged timestamp.

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https://pandas.pydata.org/pandas-docs/version/1.3.4/reference/api/pandas.tseries.offsets.CustomBusinessMonthBegin.rollback.html