is my plant goin to be alright.?????

I'm on my 12/12 and I open my closet wen my lights comes on sooooooo wen my lights shut off my closet door was still open and I kept up with time but I forgot yesterday time went back but back to the point I've heard when yu switch to 12/12 it needs to be COMPLETE darkness for its off time and It went a hour over from 12/12 so it did 13/11 will that affect my plant anyway it was only light that came in thru the blinds

you are going to be fine you just dont want it to happen all the time a extra hour of light one time will not hert anything