Glossary

A century leap year refers to a specific year within a century that is considered a leap year in the Gregorian calendar. Normally, a leap year occurs every four years, but there is an exception for century years. According to the rules of the Gregorian calendar, a century year is only considered a leap year if it is divisible by 400. This means that years such as 1600 and 2000 are leap years, while years like 1700, 1800, and 1900 are not. This rule helps maintain the accuracy of the calendar system and ensures that the length of a year remains consistent over time.