Fox has used numerous scheduling formulas for its Saturday regular season coverage. These have often changed based on the rights granted by new television contracts, and the pregame programs that the network has chosen to air. From 1996 to 2006, Fox began its weekly game telecasts on the Saturday of Memorial Day weekend or the weekend before. The selection of games varied on a regional basis, and the start times were staggered based on region. A half-hour pregame show aired at 12:30 p.m. Eastern Time, followed by game broadcasts held at 1 p.m. in the Eastern and Central Time Zones. West Coast games did not air until 4 p.m. Eastern Time (1 p.m. in the Pacific Time Zone). All of these games were exclusive to the broadcast network, and as a result, Fox's exclusivity window lasted through the entire afternoon.