Changing light/dark cycle

[Sancheh]

Hi all...
My light period of 12 hrs starts at 11am till 11pm and I'm looking to change it to 5pm till 5am..to do this it means plant will be in darkness for an extra 6 hrs for one cycle..
Is this ok??

 

[Bush Doctor 77]

Yep, just don't give them long days.

 

[Sancheh]

Nice one!!