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Python | Pandas Series.dt.week

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  • Last Updated : 20 Mar, 2019
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Series.dt can be used to access the values of the series as datetimelike and return several properties. Pandas Series.dt.week attribute return a numpy array containing the week ordinal of the year in the underlying data of the given series object.

Syntax: Series.dt.week

Parameter : None

Returns : numpy array

Example #1: Use Series.dt.week attribute to return the week ordinal of the year in the underlying data of the given Series object.




# importing pandas as pd
import pandas as pd
  
# Creating the Series
sr = pd.Series(['2012-10-21 09:30', '2019-7-18 12:30', '2008-02-2 10:30',
               '2010-4-22 09:25', '2019-11-8 02:22'])
  
# Creating the index
idx = ['Day 1', 'Day 2', 'Day 3', 'Day 4', 'Day 5']
  
# set the index
sr.index = idx
  
# Convert the underlying data to datetime 
sr = pd.to_datetime(sr)
  
# Print the series
print(sr)


Output :

Now we will use Series.dt.week attribute to return the week ordinal of the year in the underlying data of the given Series object.




# return the week ordinal
# of the year
result = sr.dt.week
  
# print the result
print(result)


Output :

As we can see in the output, the Series.dt.week attribute has successfully accessed and returned the week ordinal of the year in the underlying data of the given series object.
 
Example #2 : Use Series.dt.week attribute to return the week ordinal of the year in the underlying data of the given Series object.




# importing pandas as pd
import pandas as pd
  
# Creating the Series
sr = pd.Series(pd.date_range('2012-12-12 12:12', periods = 5, freq = 'M'))
  
# Creating the index
idx = ['Day 1', 'Day 2', 'Day 3', 'Day 4', 'Day 5']
  
# set the index
sr.index = idx
  
# Print the series
print(sr)


Output :

Now we will use Series.dt.week attribute to return the week ordinal of the year in the underlying data of the given Series object.




# return the week ordinal
# of the year
result = sr.dt.week
  
# print the result
print(result)


Output :

As we can see in the output, the Series.dt.week attribute has successfully accessed and returned the week ordinal of the year in the underlying data of the given series object.


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