Halloween '20 info needed

so im playing this years halloween to its limits
i dont know when does it end,
so it would be great to know where does it stop so i could trade my mark of sacrafice in time
some official FC statement would be nice, anyway we didnt get any so far and thats wierd - info was always there
so please let us know the info when halloween 2020 ends

It ends November 6th.

ok thx fur infer