A leap year is a calendar year that contains an extra day, known as a leap day, usually added to the end of February. This adjustment is made to keep the calendar year synchronized with the astronomical year, which is approximately 365.24 days long.
According to the Gregorian calendar, a year is a leap year if it is evenly divisible by 4, except for years that are evenly divisible by 100. However, years divisible by 400 are still considered leap years.
Leap years play a crucial role in maintaining the accuracy of our calendar system, ensuring that significant events such as equinoxes and solstices occur at roughly the same time each year.
