call it a day
to decide to stop working, especially because you have done enough or you are tired

[TahlilGaran] Dictionary of Contemporary English ▲

call it a day
[informal]
to stop doing something, especially working.
After playing together for 20 years the band have finally decided to call it a day.

It's almost midnight - I think it's time to call it a day.

[TahlilGaran] English Idioms Dictionary ▲

call it a day
• call it a day/night
to quit work and go home
I called it a day and decided to go home early.

[TahlilGaran] English Idioms Dictionary ▲

call it a day
v. phr. To declare that a given day's work has been accomplished and go home; to quit for the day.
"Let's call it a day," the boss said, "and go out for a drink."
It was nearly midnight, so Mrs. Byron decided to call it a day, and left the party, and went home.
The four golfers played nine holes and then called it a day.
Compare: CLOSE UP SHOP.

[TahlilGaran] English Idioms Dictionary ▲