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.

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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

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Etymology

Origin of Gregorian calendar

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

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How does gregorian-calendar compare to similar and commonly confused words? Explore the most common comparisons:

• Gregorian calendar vs. Julian calendar

Example Sentences

See Examples For:

Gregorian calendar

Each full Moon in a year has a name - a practice that dates back to ancient traditions centuries before the Gregorian calendar existed.

From BBC ● Dec. 3, 2025

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

From BBC ● Mar. 7, 2024

His Gregorian calendar took effect in the late 16th century.

From Seattle Times ● Feb. 24, 2024

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

From National Geographic ● Feb. 5, 2024

I had a cousin who lived in Englewood, plenty of money there but gaudy rich, lots of lawn statuary, half the saints in the Gregorian calendar sticking out of the Ficus benjamina.

From "Burning Blue" by Paul Griffin