Pandas Series property: dt.weekday

Series.dt.weekday property

The weekday property is used get the day of the week of a given date.

The day of the week with Monday=0, Sunday=6.

It is assumed the week starts on Monday, which is denoted by 0 and ends on Sunday which is denoted by 6. This method is available on both Series with datetime values or DatetimeIndex.

Syntax:

Series.dt.weekday

Returns: Series or Index
Containing integers indicating the day number

Example:

Python-Pandas Code:

import numpy as np
import pandas as pd
s = pd.date_range('2018-12-31', '2019-01-08', freq='D').to_series()
s.dt.dayofweek

Output:

2018-12-31    0
2019-01-01    1
2019-01-02    2
2019-01-03    3
2019-01-04    4
2019-01-05    5
2019-01-06    6
2019-01-07    0
2019-01-08    1
Freq: D, dtype: int64

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