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

Seasonal time fell out of favor in Japan at the beginning of the more technologically ambitious Meiji period in 1868 and was completely abandoned by 1872 with the adoption of Western time and the Gregorian calendar. —David Flett, Robb Report, 16 Oct. 2024

Today, September 28, is the date (on the Gregorian calendar) generally agreed upon as the birthdate of Confucius in 551 BC in what is present-day Shandong Province, China. —Eli Amdur, Forbes, 28 Sep. 2024

This means that the Harvest Moon can occur in either September or October, depending on how the lunar cycle lines up with the Gregorian calendar. —Eric Lagatta, USA TODAY, 18 Sep. 2024

Because the Islamic calendar is lunar and shorter than the Gregorian calendar, the timing of Hajj on the Gregorian calendar shifts slightly each year. —Xiaofei Xu and Masrur Jamaluddin, CNN, 23 June 2024

Word History

First Known Use

circa 1771, in the meaning defined above

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