Time to call it a night

(it's) time to call it a night

It is time to stop working, either at one's job or on a particular task, for the night. When we still couldn't find the source of the discrepancy after the third pass-through, we decided it was time to call it a night. OK, the last table has left the restaurant. Time to call it a night!
See also: call, night, time
Farlex Dictionary of Idioms.

Time to call it a night.

It's time to quit one's activities for the night. (Can refer to work or partying.) Bob: Wow, it's late! Time to call it a night. Mary: Yes, it's really dark! Good night. Fred: Gee, I'm tired. Look at the time! Jane: Yes, it's time to call it a night.
See also: call, night, time
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (it's) time to call it a night
  • (it's) time to call it a day
  • Time to call it a day
  • call it a day
  • call it a day, to
  • a full-time job
  • be remembered as (something)
  • be remembered as/for something
  • be remembered for (something)
  • let's call it a day