finance.proration
Split an amount into the part used and the part unused over a billing period, losing nothing.
prorate in PythonTagged proration
5 capabilities
dates.overlap
Days two date ranges have in common, with the end of each range stated as inclusive or exclusive.
overlap_days in Python
money.allocate
Split an amount across ratios without losing or inventing a single minor unit.
allocate in Python
property.rent-proration Unreviewed
Rent for part of a month from the monthly rent, by the annual-daily or the calendar-month method.
prorate_rent in Python
subscriptions.proration
Mid-cycle plan change: credit for unused time on the old plan and charge for the rest of the period on the new one.
prorate_change in Python