Time Clock for Employees

Has anyone created a time clock function in their app? I have a few employees and I’d love to have a simple form where they select the person then click either Clock In or Clock Out and it updates the calendar object. I don’t want it to create a new record each time as that will rack up the number of records unnecessarily in a hurry.

If you don’t want to create a new record then your only option is to update an existing record. This would simply mean having a field for “clock in” and “clock out”.
Obviously, this won’t give you a history of these events, just the last update.