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Gregorian calendar
noun
: 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
Western astrology is based on Greek astronomy and aligns with the Gregorian calendar, while Vedic astrology draws heavily from the Vedas.
—Skyler Caruso, Peoplemag, 15 May 2024
This is in contrast to the Gregorian calendar, which is widely used in most of the world.
—Jose R. Gonzalez, The Arizona Republic, 4 May 2024
Additionally, unlike the 12-month Gregorian calendar, the Ethiopian calendar contains 13 months, the last of which spans only five days.
—Brendan Rascius, Miami Herald, 11 Apr. 2024
Other notable 1806 events include these moments: Jan. 1: Napoleon Bonaparte abolishes the French Republican calendar, returning France to the Gregorian calendar.
—John Tufts, The Indianapolis Star, 8 Apr. 2024
Read More: How Humans Perceived Lightning Throughout Time When Is Ramadan?
Because it is based on the Islamic lunar calendar, which is around 11 days shorter than the Gregorian calendar, the timing of Ramadan shifts throughout the Gregorian year.
—Sam Walters, Discover Magazine, 5 Apr. 2024
That year, France implemented the Gregorian calendar, shifting the start of the New Year from the spring equinox, which usually falls around April 1, to January 1.
—Aliza Chasan, CBS News, 1 Apr. 2024
Since Western Christianity uses the Gregorian calendar, Easter typically falls on a Sunday between March 22 and April 25, according to the History Channel.
—USA TODAY, 30 Mar. 2024
The dates differ because most Christians use the Gregorian calendar, originally introduced in 1582, while the Eastern Orthodox Church uses the Julian calendar, introduced in 45 BC.
—Marina Johnson, The Indianapolis Star, 30 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Gregorian calendar.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Gregorian%20calendar. Accessed 31 May. 2024.
Kids Definition
Gregorian calendar
noun
Gre·go·ri·an calendar
gri-ˌgōr-ē-ən-,
-ˌgȯr-
: a calendar introduced by Pope Gregory XIII in 1582 and adopted in Great Britain and the American colonies in 1752 compare julian calendar
More from Merriam-Webster on Gregorian calendar
Britannica.com: Encyclopedia article about Gregorian calendar
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