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Gregorian calendar

[ gri-gawr-ee-uhn kal-uhn-der ]

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

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


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Word History and Origins

Origin of Gregorian calendar1

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

Footnote 517: Applying the Gregorian Calendar, or "new style," it becomes the 21st.

A more important labour was his reformation of the Gregorian Calendar, which even later mathematicians have deemed correct.

Through it the Gregorian Calendar was introduced into England, in 1752, against a violent religious opposition.

He introduced also the use of the Gregorian Calendar, and gave great encouragement to the cultivation of letters.

The corresponding day in the Gregorian Calendar would be July 27.

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