What is Leap year?
A leap year contains an extra day, 29 February, keeping the calendar aligned with the solar year. In the Gregorian calendar a year is a leap year if divisible by 4, except centuries not divisible by 400.
3 tools that work with Leap year
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Date & Time Tools3
Age CalculatorWork out exact age in years, months and days — plus total days and the next birthday.ISO Week Number CalculatorFind the ISO 8601 week number, quarter and day of year for any date.Leap Year CheckerCheck whether a year is a leap year and see the next and previous ones, with the rule explained.
Related terms
Terms that appear alongside Leap year on the same tools.