Wow...I was checking the hours for summer, and they are pretty crazy. I have never seen hours like these at MGM or AK, and it's a return to how summer used to be at the Magic Kingdom.
MK 9 am to 11 pm, Spectro at 9 and 11, Wishes at 10
EC 9 am to 9 pm
MGM 9 am to 10 pm (Fantasmic! at 9 pm every night and 10:30 pm many evenings)
AK 9 am to 8 pm
BB/TL 9 am to 6 pm
If you add Extra Magic Hours, I don't remember the last time the parks were open this late repeatedly--Animal Kingdom till 11 pm! Crazy! Looks like they are expecting a lot of added traffic for Expedition Everest.