Give it a week , if it hasn’t at least show sex ( early pistils) then flip it. Sometimes breeder seeds get mixed up or their “ offerings “
are not fully fleshed out as true autos. That’s when a grower has to “ force flip it “ and go 12/12.
Piece of advice : look into LST training . Then spread that bitch open so tops get more light inwards.
Just be aware that you can snap a branch if you are too forceful.