Here is the lsit of early entry days:
Sunday - Magic Kingdom
Monday - Animal Kingdom
Tuesday - Disney-MGM Studios
Wednesday - Epcot
Thursday - Magic Kingdom
Friday - Animal Kingdom
Saturday - Disney-MGM Studios
E-Nights are hit and miss. You never know when there will be one and it seems even past history sometimes doesn't dictate if there will be another one at the same time the next year.
Last year on New Year's Day and Eve, they opened two parks early.
HBC