Leap year checker

Check if any year is a leap year. A leap year has 366 days with February 29.

Year

Leap year rules

1. Divisible by 4 → leap year. 2. Except: divisible by 100 → NOT leap year. 3. Except: divisible by 400 → leap year.

2024: ÷4 ✓ → leap. 1900: ÷4 ✓ ÷100 ✓ → NOT leap. 2000: ÷4 ✓ ÷100 ✓ ÷400 ✓ → leap.

Check these years
Related calculators