Leap Year Checker
Enter any year to instantly check if it's a leap year. See the rules, nearby leap years, and fun facts about the calendar.
Leap Year Rules:
1. A year is a leap year if it is divisible by 4.
2. However, if the year is divisible by 100, it is NOT a leap year.
3. Unless the year is also divisible by 400 — then it IS a leap year.
Examples: 2000 (leap), 1900 (not leap), 2024 (leap), 2100 (not leap).
1. A year is a leap year if it is divisible by 4.
2. However, if the year is divisible by 100, it is NOT a leap year.
3. Unless the year is also divisible by 400 — then it IS a leap year.
Examples: 2000 (leap), 1900 (not leap), 2024 (leap), 2100 (not leap).