世界末日是什么时候？

When will the world come to an end?

When is the Apocalypse?

Source: Tatoeba

Sentence Composition

1 世界末日 shìjièmòrì end of the world
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì
3 什么时候 shénmeshíhou when?; at what time?