Leap Year Checker
Calculator ToolsIs it a leap year? Next leap year too
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History
All history →Leap Year Checker — at a glance
Find out in a second whether a year has 366 days.
Year 2028
Run
Leap year ✓
Next: 2032
How to use it — step by step
Any year from 1 to 9999.
1
Enter your values
Fill in the boxes. Sensible example values are already filled in for you.
2
Check Year
Press the button. The answer is worked out instantly on your device.
3
Read or copy the result
See the big answer and the extra details, then press Copy to keep them.
Pro tips
Small things that make the result better.
✦Century years like 1900 are not leap years unless divisible by 400.
✦People born on 29 February celebrate in leap years.
✦The next leap year is always 4 years later, except at some centuries.
Quick facts
Ruledivisible by 4
Centuryby 400 rule
Next & previousleap years
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Frequently Asked Questions
Why do we have leap years?+
A year is about 365.2422 days long. An extra day every four years keeps the calendar in line with the seasons.
Is 2100 a leap year?+
No. It is divisible by 100 but not by 400.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
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