Leap Year Checker
Check if a year is a leap year with step-by-step explanation of the divisibility rules. Shows nearby leap years.
How to Use Leap Year Checker
The Leap Year Checker is a free online tool that determines whether any given year is a leap year and explains exactly why using the Gregorian calendar rules. Enter a year and see a step-by-step breakdown of the divisibility tests: divisible by 4 (leap year), except divisible by 100 (not a leap year), except divisible by 400 (leap year). The tool also shows the nearest previous and next leap years for reference. Whether you are checking dates for programming, planning events, teaching calendar rules, or just curious about a specific year, this tool provides clear explanations with instant results.
Step-by-Step Instructions
- Enter a year in the input field
- Click Check Year to analyze
- View the result with step-by-step reasoning
- See nearby leap years for reference
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