Gregorian calendar


: a calendar in general use introduced in 1582 by Pope Gregory XIII as a revision of the Julian calendar, adopted in Great Britain and the American colonies in 1752, marked by the suppression of 10 days or after 1700 11 days, and having leap years in every year divisible by four with the restriction that centesimal years are leap years only when divisible by 400 see Months of the Principal Calendars Table

Examples of Gregorian calendar in a Sentence

Recent Examples on the Web To fix this, Pope Gregory XIII introduced the Gregorian calendar, which kept a leap day every four years but eliminated it during centurial years not divisible by 400, according to the History Channel. Emily Deletter, USA TODAY, 29 Feb. 2024 Deep dive This Thursday is a leap day — an extra day that's added to the Gregorian calendar every four years (except for years divisible by 100, but not 400). Suzanne Nuyen, NPR, 27 Feb. 2024 When the Julian calendar was later refined into the Gregorian calendar in 1582, the tradition of adding a leap day to February persisted. Detroit Free Press, 26 Feb. 2024 Like other Americans, his birth date changed when the U.S. stopped using the Julian calendar and adopted the Gregorian calendar. Victoria Moorwood, The Enquirer, 23 Feb. 2024 On the Gregorian calendar, Lunar New Year generally falls during the last ten days of January or the first ten days of February, says Chen Yang, a professor of Chinese culture and philosophy at George Washington University. Olivia Munson, The Courier-Journal, 23 Feb. 2024 As well as inserting a leap day every four days, the Gregorian calendar skips three leap days every four centuries. Jamie Carter, Forbes, 20 Feb. 2024 The Gregorian calendar, intended to more accurately mark the solar year, was adopted in 1752, adding 11 days. Ben Finley, Quartz, 18 Feb. 2024 When the Gregorian calendar was adopted in 1752 throughout the British Empire, Washington’s birthday was moved ahead a year and 11 days, to Feb. 22, 1732. Richard Lederer, San Diego Union-Tribune, 17 Feb. 2024 See More

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Word History

First Known Use

circa 1771, in the meaning defined above

Time Traveler
The first known use of Gregorian calendar was circa 1771

Dictionary Entries Near Gregorian calendar

Cite this Entry

“Gregorian calendar.” Dictionary, Merriam-Webster, Accessed 2 Mar. 2024.

Kids Definition

Gregorian calendar

Gre·​go·​ri·​an calendar
: a calendar introduced by Pope Gregory XIII in 1582 and adopted in Great Britain and the American colonies in 1752 compare julian calendar

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