In the Gregorian calendar , an end-of-century leap year ( often referred to as a century leap year ) is a year that is exactly divisible by 400 and , as with every other leap year , qualifies for the intercalation of February 29 .
In the Gregorian calendar , a century leap year is a year that is exactly divisible by 400 ( and qualifies for the adding of February 29 , like all other leap years ) .