Deb has the showtimes for the party on her site...
http://allears.net/tp/hol_mk.htm#sched
Holiday Wishes: 9:30 p.m.
Mickey's Very Merry Christmas Parade: starts in Frontierland, at 8:15, 10:45 p.m.
Mickey's 'Twas the Night Before Christmas' Show: 7, 8, 9, 10:15 and 11:15 p.m. at...