Call it a day Definition 1 of 3Pro Tip 1/3Work-related Primarily used in work or task-oriented scenarios to signal the end of productivity for the day. After eight hours of coding, we'll call it a day. Pro Tip 2/3Not Literal Doesn't always mean the day is over, just the end of a period of work or activity. Let's call it a day and meet back here tomorrow morning. Pro Tip 3/3Informal Used in casual conversation, not formal communication or official ending of workday. We painted a lot of the fence, let's call it a day.