10.5 hr days for a 12 month old?

[Other Mummy]

I interviewed a family who is looking for a spot in my program for their 12 mo old. Not only do they want a full 10.5/11 hrs a day (the maximum time I am open, I only allow for 9.5 contracted hours) dcm has arranged with her work to only go in 4 days a week giving her 1 day in the week to spend with her 12 month old. I've already decided that would not work. IT would make for very long days for myself, would not fit in to my opening hours and would make extremely long days for the child.

Has anyone had a child this young at daycare for 10.5+ hours a day? How did the child adjust?
I'm going to have to give them a gentle "No" when they get in touch with me.