pandas.tseries.offsets.BusinessMonthBegin.is_month_start

BusinessMonthBegin.is_month_start(ts)

Return boolean whether a timestamp occurs on the month start.

Examples

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

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https://pandas.pydata.org/pandas-docs/version/2.3.0/reference/api/pandas.tseries.offsets.BusinessMonthBegin.is_month_start.html