I've found 6 hours is pretty much perfect between meals. On my last trip we did 2TS a day and felt best leaving 6 hours between meals. We did not really feel like snacking in between. The one set I had 5 hours apart I wasn't quite as hungry as I could be for dinner. The one that was 7 hours apart we were both STARVING and it was to the point of waiting too long to eat. If we had done a snack it would have been ok but with all the walking I found 7 hours too much. that is ADR to ADR time, not end of meal to beginning of next meal.
with 11:45 I'd prob do around 6pm for dinner.
The one thing is we didn't in general absolutely stuff ourselves to the gills and try to get the most for our money. But 6 hours between meals was just about right when we did 2TS a day where I'm sure we ate more than at a typical meal.
I find 2TS a day perfect if you're doing a long park day. The time to sit and recharge is invaluable. If you're doing a short park day it might take too much time out of the day but we were going early to late and there's no way we could have done that without the nice, long breaks. It depends on touring style.