Urgent, Nissan Frontier 6 cyl timing belt problem

Question

after you line up 3 marks on timing belt, how many rotations will it take for marks to line up again?

Answer 1

Empire is right from TDC  two complete rotations it should line up if it was put on right

Answer 2

two conplete turns,from TDC

cam makes one turn, crank makes two turn

Answer 3

as long as the belt is new and not stretched this shouldn't matter

if the marks are lined up then youve got tdc and that should be it