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Python | Pandas tseries.offsets.CustomBusinessHour.rollback

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DateOffsets can be created to move dates by a specified number of valid dates. For example, Bday (2) can be added to a date to move it two business days forward. If the date does not start with a valid date, it is first moved to a valid date and then an offset is generated.

tseries.offsets.CustomBusinessHour.rollback() Pandas tseries.offsets.CustomBusinessHour.rollback() is used for tseries.offsets.CustomBusinessHour.rollback() provided by dates back to the next offset, unless offset.

Syntax: pandas.tseries.offsets.CustomBusinessHour.rollback (dt)

Parameter:

dt: date

Returns: rollback

Example # 1: Use pandas.tseries.offsets.CustomBusinessHour.rollback () to flip the supplied date back if it is not offset.

# import pandas as pd

import pandas as pd

 
# Create a timestamp

ts = pd.Timestamp ( ’2019-4-23 11:15:00 ’ )

  
# Create offset

cbh = pd. tseries.offsets.CustomBusinessHour (n = 2 , weekmask = ’Mon Tue Wed Thu’ ,

start = ’ 12:00’

 
# Print time stamp

print (ts)

 
# Print offset

print (cbh)

Output:

We will now add an offset to this timestamp object to increase the datetime value. We will also check if the given date is shifted or not. If not, then we will roll back to the given date until the next offset.

# Adds an offset to the specified timestamp

new_timestamp = ts + cbh

 
# Print updated timestamp

print (new_timestamp)

 
# roll back if not offset

result = cbh.rollback (pd.Timestamp ( ’2019-4 -28 11: 15: 00’ ))

  
# print the result

print ( result)

Output:

As we can see in the output, we have successfully created an offset and added it to the given timestamp. We’ve also rolled back the date back to the next offset.

Example # 2: Use pandas.tseries.offsets.CustomBusinessHour.rollback () to rollback the provided date back if not offset.

# import pandas as pd

import pandas as pd

 
# Create a timestamp

ts = pd.Timestamp ( ’2019-4-23 11: 15: 00’ )

 
# Create offset

cbh = pd.tseries.offsets.CustomBusinessHour (start < / code> = ’07: 00’ , end = ’14:00’ )

 
# Print time stamp

print (ts)

 
# Print offset

print (cbh)

Output:

Now we will add an offset to given a timestamp object to increment the datetime value. We will also check if the given date is shifted or not. If not, then we will roll back to the given date until the next offset.

# Adds an offset to the specified timestamp

new_timestamp = ts + cbh

 
# Print updated timestamp

print (new_timestamp)

 
# roll back if not offset

result = cbh.rollback (pd.Timestamp ( ’2019-4 -28 11: 15: 00’ ))

  
# print the result

print ( result)

Output:

As we can see in the output, we have successfully created an offset and added it to the given timestamp. We’ve also rolled the date back to the next offset.