Question

who is the father of calendar​

Answer 1

Answer:

pope Gregory 8

is the father of calendar

Answer 2

Pope Gregory XIII.

By the time he reformed the Julian calendar in 1582 (using the observations of Christopher Clavius and Johannes Kepler), it had drifted 10 days off course. To this day, most of the world uses his Gregorian calendar. Before today's Gregorian calendar was adopted, the older Julian calendar was used.

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