you mean like 12 hours of day and 12 hours of night TO 10 hours of day and 14 hours of night?

I don't think it would change much.

Colder? around what? 60f?
MonkeyBone Reviewed by MonkeyBone on . Lighting & Temp If, I change my flowering period from 12/12 to 10/12 or less and change the temp making it colder would that increase the flowering period, knowing that winter has arrived? Rating: 5