A quarter in football is a one of four (4) units of time in a game. The game clock keeps track of quarters. In college football and the NFL, quarters last fifteen (15) minutes. The order of quarters always goes 1st quarter, 2nd quarter, 3rd quarter, and 4th quarter. There are two (2) quarters in each half. Between the 2nd quarter and 3rd quarter is a break between play called halftime.