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- DictionaryLeap year/ˈlēp ˌyir/
noun
- 1. a year, occurring once every four years, that has 366 days including February 29 as an intercalary day.
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year. The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year . [1]
A leap year is a year with 366 days, not 365, to keep the calendar aligned with the seasons. Learn how to calculate leap years, why they are needed, and when the next one is.
May 6, 2024 · Learn why we have leap years and how they keep our calendar in sync with the solar year. Find out how many leap years there are on Earth and other planets, and see examples and activities.
What is a leap year? This calendar oddity occurs once every four years—and helps keep us in sync with the seasons. If your birthday is February 29, you can celebrate your actual birthdate...
Feb 27, 2020 · Learn why leap year occurs and how it affects the calendar and the seasons. Find out the rules, exceptions, and history of leap year and why it is called so.
May 3, 2024 · A leap year is a year with an extra day added to the calendar to adjust for the difference between the astronomical and calendar years. Learn about the origin and evolution of the Julian and Gregorian calendars, and how they determine leap years and leap days.
A leap year is a year with 366 days, added every four years to keep the calendar aligned with the seasons. Learn how leap years are calculated, who invented them, and what traditions and facts are associated with them.
