Calendar year A calendar year is an approximation of the number of days of the Earth's orbital period, as counted in a given calendar. The Gregorian calendar, or modern calendar, presents its calendar year …

year, time required for Earth to travel once around the Sun, about 365 1/4 days. This fractional number makes necessary the periodic intercalation of days in any calendar that is to be kept in step with the …

YEAR definition: 1. a period of twelve months, especially from 1 January to 31 December: 2. a period of twelve…. Learn more.

Dec 21, 2025 · The length of a year as marked by a calendar, 365 or 366 days in the Gregorian calendar; a calendar year. The mean length of a calendar year in the Julian calendar, that is, 365.25 …

Check the current year to align tax filings, school calendars, fiscal budgets, and software releases.

The year is divided into 12 months, with 30 or 31 days in each month, except February, which has 28 days. An extra day is added to February every fourth year, called a leap year, to keep the calendar in …

Dec 29, 2025 · Much of the world follows the Gregorian calendar, named after Pope Gregory XIII, who put the finishing touches on a Roman system that integrated ideas from other cultures.

Dec 6, 2016 · The meaning of YEAR is the period of about 3651/4 solar days required for one revolution of the earth around the sun. How to use year in a sentence.

Illustrated definition of Year: The period of time it takes Earth to go once around the Sun. There are 365 days in a normal year and 366 days...

The year (symbol: y or a, also known as the annum or annus) is about 365 days (except in a leap year). It is the time it takes the Earth to go completely around (orbit) the sun once.