Beating This Difficult 9-Level Challenge Is Almost Impossible. What Do You Think?

If you want to improve your visual skills, train yourself on purpose. Make a habit out of it instead of doing it randomly. See if you can spot the different free tag in this odd-one-out quiz.
Time: 10:00
Time: 12:00
Time: 14:00
Time: 16:00
Time: 18:00
Time: 20:00
Time: 22:00
Time: 24:00
Time: 26:00