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Time Duration Calculator

Hours between two times and adding up durations.

Time between two clock times

8:30:00 (8.5 hours)

If the end is earlier than the start, it counts across midnight.

Add up durations

Total 4:25:30

Works on your device — nothing is uploaded to our servers.

How to use

  1. Enter a start and end time.
  2. Or list durations, one per line.
  3. Read the total.

About Time Duration Calculator

Time Duration Calculator by DigiYogi: Calculate hours and minutes between two times (even across midnight) and add up a list of durations.

Get an exact answer in seconds with clear inputs and results, without spreadsheets or formulas.

Who uses it

Questions

Is my text sent anywhere?

No. Everything happens in your browser; nothing you type is uploaded or saved.

Is this tool free?

Yes. You can use it free without creating an account.

Does it work on mobile?

Yes. It works in any modern browser on Android, iPhone, Windows, Mac and Linux — no app or software to install.

Related tools

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