evighedskalender

listen to the pronunciation of evighedskalender
Датский Язык - Английский Язык
perpetual calendar
a chart or mechanical device that indicates the days of the week corresponding to any given date over a long period of years
A chart or mechanical device that indicates the day of the week corresponding to any given date over a period of many years
A calendar that can be used perpetually or over a wide range of years
That of Capt
Herschel covers, as given below, dates from 1750 to 1961 only, but is capable of indefinite extension