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Because the Julian calendar, which was in use then, had fallen 11 days behind the observed time. Corrections had to be made. The church was keen to ensure observed days were celebrated at the correct time.

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15y ago

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Related Questions

What is special about the year AD 1582?

It is the year the Gregorian Calendar was introduced.


Who came up with the yearly calendar that you have today?

It is called the Gregorian calendar after Pope Gregory XIII and was introduced in 1582


What is your calendar system of time measurement based on these days?

The calendar now almost universally in use is the Gregorian calendar introduced in 1582


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Why is a calendar called a gregorian calendar?

The Gregorian calendar is named after Pope Gregory XIII, who introduced it in October 1582 to reform the Julian calendar. The Gregorian calendar is the most widely used calendar system in the world today.


What is the calendar you use today called?

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The calendar you are referring to is the Julian calendar, which was introduced by Julius Caesar. The Gregorian calendar, introduced by Gregory XIII in 1582, shortened the day by 10 minutes and 48 seconds. It also dropped 10 days from the years 325 to 1582.


What is the Julian and gregorian calendar?

The Gregorian calendar is the standard calendar of the "western" world. It was introduced in 1582 as a reform of the Julian calendar, which is almost identical but has 7.5 more leap year days per millennium than the Gregorian calendar, making it about 25 times less accurate.


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Pope Gregor XIII introduced the calendar named after him (the Gregorian calendar) in 1582. However, some countries adopted this calendar as late as the 20th. Century.


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