Pandas Series: dt.day_name() function

Last update on September 15 2022 12:57:31 (UTC/GMT +8 hours)

Series.dt.day_name() function

The dt.day_name() function is used to get the day names of the DateTimeIndex with specified locale.

Syntax:

Series.dt.day_name(self, *args, **kwargs)

Parameter:

Name	Description	Type / Default Value	Required / Optional
locale	Locale determining the language in which to return the day name. Default is English locale.	str	Optional

Returns: Index
Index of day names.

Example:

Python-Pandas Code:

import numpy as np
import pandas as pd
idx = pd.date_range(start='2019-02-01', freq='D', periods=4)
idx

Output:

DatetimeIndex(['2019-02-01', '2019-02-02', '2019-02-03', '2019-02-04'], dtype='datetime64[ns]', freq='D')

Python-Pandas Code:

import numpy as np
import pandas as pd
idx = pd.date_range(start='2019-02-01', freq='D', periods=4)
idx.day_name()

Output:

Index(['Friday', 'Saturday', 'Sunday', 'Monday'], dtype='object')

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