They have been announced:
https://disneyworld.disney.go.com/events-tours/magic-kingdom/mickeys-very-merry-christmas-party/
Held on select evenings, Mickey’s Very Merry Christmas Party is currently scheduled to take place on the following dates in 2017:
November 8, 9, 12, 14, 16, 17, 26 and 28
December 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 21 and 22
For more information, be sure to check back again in the near future!
SW
https://disneyworld.disney.go.com/events-tours/magic-kingdom/mickeys-very-merry-christmas-party/
Held on select evenings, Mickey’s Very Merry Christmas Party is currently scheduled to take place on the following dates in 2017:
November 8, 9, 12, 14, 16, 17, 26 and 28
December 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 21 and 22
For more information, be sure to check back again in the near future!
SW