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Python Pandas - Extract the day of week from the DateTimeIndex with specific time series frequency
To extract the day of week from the DateTimeIndex with specific time series frequency, use the DateTimeIndex.dayofweek property
At first, import the required libraries −
import pandas as pd
Create a DatetimeIndex with period 6 and frequency as D i.e. day −
datetimeindex = pd.date_range('2021-10-20 02:30:50', periods=6, tz='Australia/Sydney', freq='3D')
Display DateTimeIndex frequency −
print("DateTimeIndex frequency...\n", datetimeindex.freq)Get the day of week. It is assumed the week starts on Monday, which is denoted by 0 and ends on Sunday which is denoted by 6 −
print("\nGet the day of week..\n",datetimeindex.dayofweek)
Example
Following is the code −
import pandas as pd
# DatetimeIndex with period 6 and frequency as D i.e. day
# The timezone is Australia/Sydney
datetimeindex = pd.date_range('2021-10-20 02:30:50', periods=6, tz='Australia/Sydney', freq='3D')
# display DateTimeIndex
print("DateTimeIndex...\n", datetimeindex)
# display DateTimeIndex frequency
print("DateTimeIndex frequency...\n", datetimeindex.freq)
# Get the day of week
# It is assumed the week starts on Monday,
# which is denoted by 0 and ends on Sunday which is denoted by 6
print("\nGet the day of week..\n",datetimeindex.dayofweek)Output
This will produce the following code −
DateTimeIndex... DatetimeIndex(['2021-10-20 02:30:50+11:00', '2021-10-23 02:30:50+11:00', '2021-10-26 02:30:50+11:00', '2021-10-29 02:30:50+11:00', '2021-11-01 02:30:50+11:00', '2021-11-04 02:30:50+11:00'], dtype='datetime64[ns, Australia/Sydney]', freq='3D') DateTimeIndex frequency... <3 * Days> Get the day of week.. Int64Index([2, 5, 1, 4, 0, 3], dtype='int64')
Updated on: 18-Oct-2021
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