Date::SundayLetter - Calculates the Sunday Letters for a given year River stage zero No dependents

Sunday Letters are an important concept from calendrics. Stated very simply, the sunday letter represents how many days after January 1 the first Sunday of the year is. Knowing the makes it easy to calculate the day of the week of a given day, when E...

RBOW/Date-SundayLetter-1.10 - 29 Aug 2002 23:40:54 GMT

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