Question period has happened at various times over history. It used to happen first up whenever the House would meet. It used to be at 3:00 p.m. It has been at 2:00 p.m. now for some considerable time.
Certainly, there's discussion at various times about whether it should be at a different time of the day, but we all become creatures of habit, so I think 2:00 p.m. is probably a fairly settled time now. I don't know that there's any great desire or intention to move it.