Leap Year Calculator
Enter a year to check if it's a leap year:
How to Use
Using the Leap Year Calculator is simple:
- Enter a year in the input field (e.g., 2024)
- Click the "Check Year" button
- The tool will instantly tell you whether the entered year is a leap year or not
- You can check as many years as you want
Key Features
- Instant leap year verification
- Works with any year from 1 AD to 10000 AD
- Clear visual feedback (green for yes, red for no)
- Completely free to use
- No registration required
- Mobile-friendly design
Tips
- Remember the leap year rule: divisible by 4, but not by 100 unless also by 400
- Leap years have 366 days instead of the usual 365
- The extra day is added as February 29th
- Leap years help keep our calendar aligned with Earth's revolutions around the Sun
- People born on February 29th are called "leaplings" or "leapers"
Frequently Asked Questions
What is a leap year?
A leap year is a year that contains one additional day (February 29th) to keep the calendar year synchronized with the astronomical year.
How often do leap years occur?
Leap years occur almost every 4 years, but there are exceptions to the rule (like century years not divisible by 400).
Why do we have leap years?
We have leap years because the Earth takes approximately 365.25 days to orbit the Sun. Without leap years, our calendar would slowly drift out of sync with the seasons.
Was the year 2000 a leap year?
Yes, the year 2000 was a leap year. Although it's divisible by 100, it's also divisible by 400, which makes it an exception to the century rule.
Will the year 2100 be a leap year?
No, the year 2100 will not be a leap year. It's divisible by 100 but not by 400, so it doesn't qualify as a leap year.
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