pandas.Series.dt.dayofyear#

Series.dt.dayofyear[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)>>>s0   2020-01-01 10:00:00+00:001   2020-02-01 11:00:00+00:00dtype: datetime64[ns, UTC]>>>s.dt.dayofyear0    11   32dtype: int32

For DatetimeIndex:

>>>idx=pd.DatetimeIndex(["1/1/2020 10:00:00+00:00",..."2/1/2020 11:00:00+00:00"])>>>idx.dayofyearIndex([1, 32], dtype='int32')