Time Calculator

Featured

Calculate time difference, add or subtract hours and minutes

Browser-only · 100% privateAccepts:

Calculate time differences, add or subtract hours and minutes, or convert total hours into days.

Start Time

End Time

Duration

8 Hours 30 Minutes

Loading tool…

Yes. Enter the start and end time to calculate the exact duration.

Yes. You can add or subtract any amount of time.

Yes. Both 12-hour and 24-hour formats are supported.