According to The Nice and Accurate Prophecies of Agnes Nutter, Witch (the world's only completely accurate book of prophecies), the world will end on a Saturday. Next Saturday, in fact. Just before dinner.

So the armies of Good and Evil are amassing, Atlantis is rising, tempers are flaring. Everything appears to be going according to Divine Plan. Except Aziraphale, a somewhat fussy angel, and Crowley, a fast-living demon--both of whom have lived among Earth's mortals since The Beginning and have grown rather fond of the lifestyle--are not actually looking forward to the coming war.

And someone seems to have misplaced the Antichrist...