First, every time we see the courtroom the time is between 8 and 9. We are not aware if this is am or pm but judging by the fact there is light outside lets say it is am. Strange that any court sittings would happen at 8 am.
Second, the time behind Guy Pearce jumps between these hours constantly.
Third, the trial happens over days...or so we believe and yet it is always conducted between 8 and 9.