Can I calculate work hours?

Exactly what it is for. Enter clock-in and clock-out times to get total hours and minutes.

What format should I use?

24-hour or 12-hour with AM/PM, both are accepted.

Time Difference Calculator

Calculate hours and minutes between times

Start time

End time

Pick a start and an end time to see the duration…

If the end time is earlier than the start, the calculator assumes the span crosses midnight. Times use your local 24-hour clock. All math happens in your browser; nothing is sent or stored.

About this tool

Timesheets, shift planning and billing all start with one question: how much time passed between these two times? Mental math across the hour boundary is a classic source of errors.

This calculator gives you the exact duration in hours, minutes and total minutes, correctly handling shifts that cross midnight. Quick, reliable, and free.