Timer went bad... plants in dark for 24 hours 3 wks into flowering

wondering how bad this is... my timer went bad and plants were in the dark for 24hrs before I got the light back on.... now there on the opposite scheduale as there running during the day now.

how bad did this mess them up? this strain is prone to hermie as well

Switching the schedule like that is probably worse than just giving it 36 hours darkness. I don't know how that will impact your plants, but messing with the lights too much is never good. How long has it been switched? Just a day? If so you might want to switch it back...but I don't know.

If they've already adjusted to this schedule for a couple days I'd just leave it alone.