I am open for 10.5 hours and if parents require that time to get to and from work then they are able to use all of it. My rates apply to up to 10 hours though, and if you require the extra half hour then it's an extra $5/day. I also ask each family what hours each parent works because I will not consistently keep a child if their parent is home. My daycare is to enable parents to be able to work, not to be able to work, shop, nap, laze around the house, ect.
I have this policy with the child's best interest in mind. Studies have proven that the longer a child spends in daycare, the more aggressive they are. This is fact, and something that I greatly take into consideration for the wellbeing of my daycare children.
Right now my working hours at 7:30-4.