Hey Siri, set a reminder for Aug. 30 at noon ET, and block my calendar the rest of that day.College football season begins with a bang on the last Saturday in August, and official kickoff times were solidified for multiple must-see games in 2025.The Big Noon Kickoff on Aug. 30 and an emphatic start to college football in 2025 opens with defending champion and likely preseason No. 1 Ohio State hosting Texas in Columbus. The game is a rematch of the College Football Playoff semifinal last season, when the Buckeyes scored 14 points in the fourth quarter of a 28-14 win at the Cotton Bowl on Jan. 10.The Buckeyes-Longhorns heavyweight battle on Fox is scheduled to be followed by another set of historic powerhouses: Alabama visits Florida State for a 2:30 p.m. ET start the same afternoon with the nightcap featuring LSU at Clemson in a 7:30 p.m. ET date on ABC.The following day features a standalone game in primetime, a Sunday night matchup, with Notre Dame at Miami (7:30 p.m. ET).Michigan travels to play SEC foe Oklahoma for only the second time in history on Sept. 6 at 7:30 p.m. ET.