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

Return True if date is first day of the year.

Returns:

bool

See also

Timestamp.is_year_end

Similar property indicating the end of the year.

Examples

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

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