Advice needed

okay my plants have been 24/7 under cfl and flours for almost 2 months and i wanted to know if i could go 24/7 to 12/12 and start flowering if so will it hurt the plant in anyway if so how bad.If not thats great too. ALL ADVICE NEEDED THX

It is spelled advice by the way
Yes you can go from 24/0 to 12/12 with no problems
You know that there is a growFAQ here that will answer basic beginner questions like these
Here's a link: https://www.rollitup.org/view.php?pg=faq

whats your light? if its high powered you might want to step down the light in stages if not just make the switch and everything should be fine.

I have went from 24/0 to 12/12 under a 400 watt HPS with no problems.
Where did you come up with that and what is the reason behind doing it?