I've been having a hard time with the new reservation system since it doesn't provide you the hours or allow you to select breakfast/lunch/dinner.
The only way I've found is to play on the new adr system by choosing the latest date possible (May 12th or something) and selecting the time and then asking it to find a ressie.
For example I was looking for what time Yak & Yeti TS started serving lunch, and it came up with 1130 as the earliest ADR. Now it may not always be perfect. You could try calling the 407-WDW-Dine, but I hate to wait on hold forever.
I searched for Narcoossee's and came up with 5:30 as the first ADR time. Not sure if that's because all the earlier ones are booked tho.
Sorry I wasn't more help! Something WDW should really look into!
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