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Rente Dager Tokens (Norwegian Tax Day Number)

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The ascending Rente days [tr+] and descending Rente days [tr-] day tokens correspond to the ascending and descending amortization day counts found in many Norwegian diaries.


This day count differs from the normal day count by the fact that it is based on 12 months of 30 days, hence a year of 360 days.



Equals 1 on the first day of the year, and 1 + (m-1) on the first day of month m. On months that contain 31 days, the value is the same for days 30 and 31. On February 29, the value is 60.


Equals 360 minus the value of [tr+].


To force the displaying of ascending and descending days over 3 digits (ie. 001, 010, 057, ...), use an uppercase "T" in the tokens [Tr+] and [Tr-].


See also: German Zinstage tokens and UK paye week tokens.


Topic 172510, last updated on 22-Apr-2020