Feb. 29 is not a fictitious date, so it's used on all legal documents such as driver's licenses and passports. Leap year is every year that can be divided by 4, except for years that are divisible by ...
It takes Earth 365 days, 5 hours, 48 minutes and 45 seconds to orbit the sun. Someone born on Leap Day may celebrate birthdays Feb. 28 or March 1. But Feb. 29 is still used for identification and ...