pandas.DatetimeIndex.day_of_year#
- property DatetimeIndex.day_of_year[source]#
The ordinal day of the year.
Examples
For Series:
>>> s = pd.Series(["1/1/2020 10:00:00+00:00", "2/1/2020 11:00:00+00:00"]) >>> s = pd.to_datetime(s) >>> s 0 2020-01-01 10:00:00+00:00 1 2020-02-01 11:00:00+00:00 dtype: datetime64[ns, UTC] >>> s.dt.dayofyear 0 1 1 32 dtype: int32
For DatetimeIndex:
>>> idx = pd.DatetimeIndex(["1/1/2020 10:00:00+00:00", ... "2/1/2020 11:00:00+00:00"]) >>> idx.dayofyear Index([1, 32], dtype='int32')