The Number of Days of the Week Calculator

Calculates the number of days of the week between two dates.

The Number of  Days of the Week
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The Gregorian calendar is used for dates on and after October 15, 1582 A.D. and the Julian calendar is used before October 4, 1582.

The pop-up calendar has been available since October 15, 1582, when the Gregorian calendar was adopted.
    The Number of Days of the Week
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