Hi Erin,
I love my
Tables in Wonderland card! Being able to get at 20% discount on food and beverages at many Walt Disney World resort restaurants is wonderful.
I called and spoke with a cast member at Tables in Wonderland who informed me that the blackout dates, those dates on which the Tables in Wonderland Card is not accepted, are all day long. Since New Year's Eve is one of the blackout dates, your Tables in Wonderland Card will not work for breakfast on that day. Blackout dates currently listed on the Tables in Wonderland Website are Mother's Day, Easter Sunday, Independence Day, Thanksgiving Day, Christmas Eve, Christmas Day, New Year's Eve, and New Year's Day.
I hope that this information is helpful for you, Erin. Have a wonderful time planning your trip, and please do not hesitate to ask if you have any further questions.