doomsdate

plural doomsdates

1. The date of doomsday, or some catastrophic and final event.

   The next doomsdate is scheduled for March 21, 2014, when an asteroid will hit the earth.

   2011, David A. Levy, James E. Parco, Echoes of Mind: Thinking Deeply about Humanship, page 78

   1 more example

   Many articles emphasize some given doomsdate in the future. I cannot agree with these calculations.

   1967, Canadian Fisherman, volumes 54-55, page 21