Yes, at 6:00 you have to know which side to put north and south, and from 6pm-6am it will be North instead of South between the hour hand and 12. If you know th

Yes, at 6:00 you have to know which side to put north and south, and from 6pm-6am it will be North instead of South between the hour hand and 12. If you know the sun rises in the east, though, you can account for that and the trick can still be helpful.