We were there, the first week of December, last year. Here are the park hours that I have from my itinerary:
PARK HOURS
Magic Kingdom
11-30 9am-6pm 3pm parade/6pm fireworks
12-1 9am-7pm 3pm parade/6pm Spectromagic/7pm Fireworks
12-2 9am-6pm 3pm parade
12-3 9am-7pm 3pm parade/7pm fireworks
12-4 9am-6pm 3pm parade
12-5 9am-6pm 3pm parade
EPCOT
11-30 9am-7pm (Future World)
11am-9:30pm (World Showcase) 9:30pm Illuminations
12-1 thru 12-5 9am-7pm (Future World)
11am-9:30pm (World Showcase)
9:30pm Illuminations
MGM
11-30 thru 12-5 9am-7pm 3:30pm parade/7pm Fantasmic!
Animal Kingdom
11-30 thru 12-5 9am-5pm 3:45pm parade
ETA...in Epcot, some attractions in Future World stayed open till 9:30...Mission Space and Test Track, for sure, I'm not sure about anything else.