Leap Day Babies: A birthday every four years 02:39. This February is a little longer than usual. It's a leap year, and today — Thursday, Feb. 29 — is Leap Day.The calendar oddity means this ...

This new 12-month calendar would always consist of 365 days except every fourth year when an additional day was added. This brought the average length of the Julian year to 365.25 days — much ...

February, 29, otherwise know as leap year day, is shown on a calendar Sunday, Feb. 25, 2024, in Overland Park, Kan. Because it actually takes a bit longer than 365 days for the Earth to revolve ...