Meaning ofcall it a dayin English

Verb

1. to end work for the day; cease activity temporarily
   After working for 8 hours, they decided to call it a day and head home.
2. to conclude a period of work; deem enough done
   The team will call it a day when they finish the current project.
3. to stop an activity; end efforts
   It's getting late, let's call it a day and continue the meeting tomorrow.