so what your going to do is it sounds like 3 turns = 3 hours so 1 turn= 1 year so theres 8760 hours in a year so thats going to be 8760 turns now multiply thar by 129 and you get your awnser.
You will need 1130789.85 turns to go back that far. The number is a decimal because the hours in a year aren't exact, it is 8765.81277 in one year. It takes 3 turns for 3 hours, or one turn for one hour, so you will need 1130789.85 turns.
