pandas.Timestamp.is_month_start — pandas 2.2.3 documentation (original) (raw)

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Timestamp.is_month_start#

Check if the date is the first day of the month.

Returns:

bool

True if the date is the first day of the month.

See also

Timestamp.is_month_end

Similar property indicating the last day of the month.

Examples

ts = pd.Timestamp(2020, 3, 14) ts.is_month_start False

ts = pd.Timestamp(2020, 1, 1) ts.is_month_start True