Zero Hour Synonyms

A decisive point
(Noun)
Synonyms:
  1. appointed hour
  2. h-hour
  3. d-day
  4. crisis
  5. target day
  6. turning point
  7. climacteric
  8. crossroad
  9. a-day
  10. exigence
  11. exigency
  12. the time
  13. climax
  14. head
  15. crisis point
  16. countdown
  17. crossroads
  18. juncture
  19. crunch-time
  20. jump-off
  21. pass
  22. deadline
  23. moment-of-truth
  24. pivotal moment
  25. start time