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  * pandas.Datet... 

#  pandas.DatetimeIndex.day_of_year  #

_ property  _ DatetimeIndex.  day_of_year  [ [source]
](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/indexes/extension.py#L67-L75) #

    

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')
    

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