Leap Year Calculator
Quickly verify if any given year contains 366 days instead of the usual 365.
🌍Embed this tool on your website for FREE▼
Copy and paste this HTML snippet into your website or blog to let your users use the Leap Year Calculator for FREE.
How it works
(Year % 4 == 0 & Year % 100 != 0) || (Year % 400 == 0)
Frequently Asked Questions
What makes a leap year?
Generally a year divisible by 4, except for centuries which must also be divisible by 400.