This situation is a minor one. I'm sure your plants have nice colas on them by now. Just put them back under a regular 12/12 regimen and they should be fine. This extra time of light did however make your plant say WTF? Might be a few days before it gets back to it's usual flowering.

Now let's see if we can find a solution to this. First let's ask, why did this happen? Then, how can we prevent this from happening again? Once you answer those two questions, you'll have learned something for today......