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Gregorian calendar

American  
[gri-gawr-ee-uhn kal-uhn-der] / grɪˈgɔr i ən ˈkæl ən dər /

noun

  1. the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly divisible by 400, such as 1700, 1800, and 1900.


Gregorian calendar British  

noun

  1. the revision of the Julian calendar introduced in 1582 by Pope Gregory XIII and still in force, whereby the ordinary year is made to consist of 365 days and a leap year occurs in every year whose number is divisible by four, except those centenary years, such as 1900, whose numbers are not divisible by 400

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Gregorian calendar

First recorded in 1640–50; named after Pope Gregory XIII; see -ian

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Example Sentences

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This is because they follow the Julian calendar, unlike Christian denominations which follow the Gregorian calendar.

From BBC ● Jan. 6, 2025

In the Gregorian calendar used in much of the rest of the world, that date is 8 March.

From BBC ● Mar. 7, 2024

Modern China actually uses a Gregorian calendar like most of the rest of the world.

From National Geographic ● Feb. 5, 2024

The dates of the holiday are based on Hebrew month of Kislev, which usually coincides with November-December in the Gregorian calendar.

From Washington Times ● Dec. 4, 2023

Caesar’s scheme, in turn, remained the standard in the Western world for some 1,600 years, forming the basis of the Gregorian calendar we use today.

From "Circumference" by Nicholas Nicastro

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