The intercalary day, February 29, is commonly referred to as leap day. Leap years have 366 days instead of the usual 365 days and occur almost every four years. Leap years have 366 instead of 365 days. So why do we have leap years?
The intercalary day, February 29, is commonly referred to as leap day. Leap years have 366 days instead of the usual 365 days and occur almost every four years. Leap years have 366 instead of 365 days. So why do we have leap years?