Thats about what I had mine set to, especially in the summer. You might want to dial it back an hour or two as the days get shorter (I'm assuming you're in the Northern Hemisphere). It comes down to your schedule though. I'd allow for some time with him in the morning for breakfast before you leave for work and then again in the evening for dinner time allowing for a couple of hours of lights on after mealtime. As long as you're around the 10-14hr range and he has time to digest under his lights after each meal it's fine.