Employees clock in and out on their timesheets from the web app or the mobile app. Where the Clock In button is depends on where the timesheet came from; the three cases are below, followed by what happens when you press it.
What a clock event records
Early and late punch explanations
See exactly where employees clock in and out
Already clocked in elsewhere
Forgetting to clock out
Mobile app
The three cases
Office Staff Clocking In and Out (Screenshots)
Mobile App: Single Timesheet (Video)