pandas.tseries.offsets.SemiMonthBegin.is_on_offset

SemiMonthBegin.is_on_offset(dt)

Return boolean whether a timestamp intersects with this frequency.

This method checks if the given timestamp falls on the first day of the month or on the specified day_of_month. It is used to determine if a date aligns with the semi-monthly frequency starting at the beginning of the month.

Parameters:

dtdatetime

Timestamp to check intersections with frequency.

Returns:

bool

True if the date is on the first day of the month or the day_of_month, False otherwise.

See also

SemiMonthEnd.is_on_offset

Check if a date falls on a SemiMonthEnd offset.

Examples

>>> ts = pd.Timestamp(2022, 1, 1)
>>> freq = pd.offsets.SemiMonthBegin()
>>> freq.is_on_offset(ts)
True

>>> ts = pd.Timestamp(2022, 1, 15)
>>> freq.is_on_offset(ts)
True

>>> ts = pd.Timestamp(2022, 1, 16)
>>> freq.is_on_offset(ts)
False