mel those are looking stought! put them in 12/12 for a week and sex them, wont be hard to re vedge from what i understand. that way your not wasting time on something thats gona grow nuts. if one is def a female cut a few clones and either keep the switch flipped or re veg. if left to flower by the time they are finished you will know how long to run with the next batch to reach the optimum size. jmo
i just flipped the switch tonight lookin for 60 days or so. your 17 days ahead of mine but i got 6 in a 4x4 so it was time i think.