gregorian calendar

What Is The Difference Between The Julian And Gregorian Calendar?

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What Is The Difference Between The Julian And Gregorian Calendar? The Julian calendar has two types of year: “normal” years of 365 days and “leap” years of 366 days. … The difference in the average length of the year between Julian (365.25 days) and Gregorian (365.2425 days) is 0.002%, making the Julian 10.8 minutes longer.