Leap Year Calculator
Check if a year is a leap year and learn about leap year rules.
Calculator
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Table of Contents
Concept
Leap Year Information
A leap year is a year containing one additional day to keep the calendar year synchronized with the astronomical year or seasonal year.
Leap Year Components:
- Extra day (February 29)
- 366 days instead of 365
- Occurs every 4 years
- Special rules for century years
Concept
Calculation Rules
Understanding leap year rules:
Leap Year Rules:
- Divisible by 4
- Not divisible by 100
- Divisible by 400
- Exception for century years
Uses
Practical Uses
Use 1 Calendar Systems
Maintain accurate calendar systems and date calculations.
Use 2 Date Validation
Validate dates and handle leap year cases in applications.
Use 3 Event Planning
Plan events and schedules considering leap years.
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