Jimmy has said in the past, that his football sensibilities are that football should be played in the afternoon and specifically at noon. Bo felt the same way, he was quoted as saying, we are playing football at 1:00, if you want to bring your cameras down to film it, you can.
The power in scheduling the kickoff time of college football games have shifted from the AD and head coach to the networks. BTN, ABC, Fox, and ESPN put millions of dollars in the pockets of Big Ten teams and now control kickoff times. Hell, David Brandon even said recently that ESPN paid for the permanent lights at the Big House.