Leap Year Checker
Check whether any given year is a leap year, and see the nearest leap years before and after it.
Result
2026 is not a leap year.
Nearby leap years: 2020, 2024 (prior) · 2028, 2032 (next)
What is Leap Year Checker?
The Leap Year Checker checks whether any Gregorian year has 366 days instead of 365. It evaluates the complete Gregorian leap-year rule (divisible by 4, except century years unless divisible by 400) and displays the closest prior and upcoming leap years.
How to use Leap Year Checker
- 1Enter any positive four-digit year (or any valid integer year).
- 2Read whether the specified year is a leap year (366 days) or common year (365 days).
- 3Examine the adjacent leap years displayed below the result.
Key features
Standard Gregorian Rules
Applies the complete 4-year, 100-year, and 400-year Gregorian leap-year formula.
Nearby Leap Years List
Lists the two closest previous and next leap years for quick chronological reference.
Century Year Validation
Correctly verifies century years (e.g. 2000 was a leap year, while 1900 and 2100 are not).
Examples & use cases
Standard Leap Year
A typical year divisible by 4
Year: 2024
2024 is a leap year (Nearby: 2016, 2020 prior; 2028, 2032 next)
Century Non-Leap Year
A century year divisible by 100 but not 400
Year: 2100
2100 is not a leap year (Nearby: 2092, 2096 prior; 2104, 2108 next)
Century Leap Year
A century year divisible by 400
Year: 2000
2000 is a leap year (Nearby: 1992, 1996 prior; 2004, 2008 next)
Frequently asked questions
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