Sully is 11 mo. old (almost!) and we feed him a small lunch at about noon and a big dinner at about 10 p.m. We'd feed him more lunch but that's just how he prefers to eat anyway.
Because of this schedule, Sully will usually (not always but usually) poop either right before or after lunch and again in late evening. But he never does in the house anymore, so we get lucky that he's learned to "hold it" for a while, if he must