I am constantly amazed at how much some children sleep. Seriously. It boggles my mind. My LO has also been on the lower end of sleep per day, when he was a baby I drove myself crazy trying to get him to sleep more, but I guess he just did not need it. Still, despite knowing that sleep requirements can differ so much, I really find it hard to believe there are kids who sleep that much! I cannot imagine what it would be like!
Anyway, that was an irrelevant aside.
LO goes to sleep sometime between 7 and 7:30pm and wakes up between 6 and 6:30am. He naps about an hour a day at the moment. It has recently dropped from about 1.5 hours of day sleep. I think he'll stop napping in the not too distant future as there are days when he is awake hours after bedtime, simply not tired.