Can I calculate duration across midnight?

Yes! The calculator automatically handles time spans that cross midnight. For example, calculating from 11:00 PM to 2:00 AM correctly shows 3 hours.

What time formats are supported?

The calculator supports both 12-hour (AM/PM) and 24-hour formats. You can enter times like 2:30 PM or 14:30 - both work perfectly.

Calculate your total work time first, then subtract your break duration using the subtract mode. Or use multiple calculations and add them together.

Yes! Use the mode selector to switch between calculating difference, adding durations, or subtracting time periods.

The calculator can handle durations up to 999 hours, 59 minutes, and 59 seconds - more than enough for any practical use.

Start Time

12:00:00

End Time

13:30:00

Duration

00:00:00

Calculate time durations instantly with our intuitive calculator. Perfect for tracking work hours, planning events, or any time calculation needs.

The calculator shows results in multiple formats including total minutes and seconds, making it easy to use the data however you need.