Gregorian calendar |
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Definition
The ubiquitous solar calendar used all over the world in which every (non-leap) year equals 365.25 days and every fourth (leap) year has 366 days. Instituted in 1582 by Pope Gregory XIII as a revised version of the then-prevalent Julian Calendar which had no provision for the extra quarter day every year.
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Gregorian calendar is in the Information & Knowledge Management subject.
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