Skip to content

Time & Date · free · no sign-up

Time Duration Calculator

Find the time between a start time and an end time.

How it works Report a problem

Time Duration

Calculate length between clock times

:
:

About the Time Duration Calculator

Find the time between a start time and an end time.

How to use the Time Duration Calculator

  1. Enter the Start Time and End Time and choose AM or PM.
  2. Press Solve Duration.

Worked example

9:15 AM to 5:45 PM is 8 hours 30 minutes.

Tips

  • If the end time is earlier than the start, the calculator treats it as the next day.

Frequently asked questions

Can it calculate overnight durations?
Yes, an earlier end time is treated as the following day.