Day 5 flower light left on 1 hour extra will I herm?

I’m on day 5 of flower. What do you guys think? I set the timer to work correctly. I added a new light forgot to put it on the timer. Soon as I remembered it was 1 hr extra after light we’re supposed to be off. Do you think I will herm?

You'll be fine. In nature plants dont drastically go from 18-12 its gradual. Just try to keep in consistent going forward.
If you have super sexually unstable plants then maybe