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.

Leap Years Have an Extra Day Leap years are years where an extra day is added to the end of the shortest month, February. This so-called intercalary day, February 29, is commonly …

A normal year has 365 days. A Leap Year has 366 days (the extra day is the 29th of February). Try it here: Because the Earth rotates about...

Feb 27, 2025 · When is the next leap year? The last leap day was Feb. 29, 2024. The next leap day will happen in years 2028, 2032, 2036 and so on, every four years thereafter.

Sep 25, 2025 · What Is a Leap Year? The Short Answer: It takes approximately 365.25 days for Earth to orbit the Sun — a solar year. We usually round the days in a calendar year to 365. To …

Feb 29, 2024 · Here’s everything you need to know about leap years, according to scientists. What is a leap year? Why do they happen and how often?

Feb 19, 2025 · 2028 is a leap year! Why are leap years necessary? Find out when the next Leap Day (February 29) will be, how to calculate Leap Years, Leap Year folklore, and more on …

A leap year is a year that does not have 365 days like a normal year, but 366 days. The additional day ("leap day") is the 29th of February. A leap year occurs only every four years (for …

A leap year is a year that has 366 days, instead of the usual 365 days. This happens every four years, when an extra day, February 29th, is added to the calendar. The next leap year will be …

Aug 14, 2025 · But leap years do occur if they are divisible by 100 and 400 (e.g. 2000). That means that every 400 years, three leap years are skipped. So from 2000-2400, leap years will …