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Jan
24
comment On some formulas concerning calendar
One more editorial correction of my reply to @Amzoti: The two "it is" in it mean "the formulas I consider are" (the second one preferably replaced with "they are").
Jan
22
comment On some formulas concerning calendar
In my previous comment, "converts it in the corresponding date" must be replaced with "converts it into the corresponding date". I am sorry for the error!
Jan
22
comment On some formulas concerning calendar
To @Amzoti: Of course, it is in the same spirit. However, it is connected more with the Julian to Gregorian conversion in the calculation of the Easter date than to calculation of week days. Namely, one usually calculates the Easter date in the Julian calendar, and then converts it in the corresponding date in the Gregorian calendar. Let Easter be the k-th day after the end of the Julian February, l be the offset between the two calendars, and let n = k + l. If n < 366 then the Gregorian Easter date can be calculated by means of the formulas in the question I asked.
Jan
22
comment On some formulas concerning calendar
To @ClaudeLeibovici: A reference to some source, where essentially the same formulas appeared earlier, would be useful for me for making some comments on the Pascal program I mentioned.