⏳Time Duration Calculator
Hours & minutes between two times.
About the Time Duration Calculator
Calculate the duration between a start and end time in hours and minutes (and total minutes), including times that cross midnight. Free online time duration calculator.
How to use the Time Duration Calculator
- 1Pick your date(s) or time(s) in the Time Duration Calculator above.
- 2Adjust any options for your calculation.
- 3Read the result instantly.
- 4Runs entirely in your browser.
Why use this tool?
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Private by design
The Time Duration Calculator runs entirely in your browser — nothing you enter is uploaded to a server.
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Free, no signup
Use it as much as you like. There's no account, no paywall and no watermark.
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Fast & instant
Results appear the moment you type or click — no waiting, no page reloads.
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Works anywhere
Any device or browser, even offline once the page has loaded.
Frequently asked questions
Does it handle times past midnight?＋
Yes. If the end time is earlier than the start, it assumes the duration runs into the next day.