Guys, they’re still not showing sex?

maybe its just not that into you? Can't force it.

Dependant on where you live allot of the usa doesnt ever get down to 12 hours of light, in the north east we are getting 13 hours of light still and the plants are in 3rd week of flowering outdoors. after some research online you find out that they actually are very smart plants and they get their cues outdoors from the red yellow spectrum of the sun during the fall/ autumn season, enough of that light and boom the plants switch to flowering. i do not think you have too much light like the others suggested but that you just dont have enough of that orangish autumn light yet. They look healthy and happy other than that. Continue to water thoroughly every 4-5 days.

Coinsido con creepy_Steve puedes que tengas contaminación lumínica. Puedes construir un mini invernadero con un material oscuro y cubrir tu planta por la tarde para que su noche sea completamente oscura

lol sunset to sunrise is what i shoul have said.

stress usually causes early bloom, as it is a trait to increase probability of passing genes down. any flood lights or bright lights at night? this could easily delay bloom. how long are your nights? even if sunrise to sunset is 10 hours, you have 45mins of twilight on each end. you'll see preflowers 7-10 days after the nights are long enough and uninterrupted... not before. that is the cause and effect -- a long period of uninterrupted darkness and it has to be consistent after that too.