ENH: FY5253Quarter
to support alternative week allocations
#58272
Labels
FY5253Quarter
to support alternative week allocations
#58272
Feature Type
Adding new functionality to pandas
Changing existing functionality in pandas
Removing existing functionality in pandas
Problem Description
The current implementation of FY5253Quarter assumes that quarters have an even distribution of weeks, for a total of 13 weeks per quarter except in the event of a 53 week year, in which case a designated quarter will consist of a total of 14 weeks.
It is sometimes the case the companies elect to use quarters with an alternative allocation of weeks, the alternative often being 16-12-12-12.
I propose the addition of an optional argument called
quarter_lengths
that accepts an input ofTuple[int, int, int, int]
wheresum(quarter_lengths) == 52
.Feature Description
In addition to modifying the interface to include the extra parameter, I think this can be accomplished with a very simple change to the existing
get_weeks
function:https://github.com/pandas-dev/pandas/blob/main/pandas/_libs/tslibs/offsets.pyx#L4052C1-L4060C19
Alternative Solutions
n/a
Additional Context
Example 10-k describing this pattern
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