probably a leap year-
Sorry if my answer isn't specific But I believe it is called a leap-year
If there is an extra day in February its a leap year.
366 there is an extra day for leap day this year.
leap year
because the end of the world (2012) needed an extra day of vacation.
Leap year, bissextile year, intercalary year.
A bissextile is a leap year - a year containing an extra day.
February
my salary will remain the same but I will have to work an extra day because it is a leap year. Should I be paid extra.
There was an extra day because it was a leap year
A bissextile year, more commonly known as a leap year, is a year that contains an extra day, February 29th. Leap years occur every four years to help align the calendar year with the solar year, which is about 365.25 days long. This extra day is added to compensate for the slight discrepancy between the two.