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Hours Calculator

Free hours calculator — find the total hours and minutes between a start and end time, handling overnight spans, in your browser.

Start time (HH:MM)End time (HH:MM)Break (min)

Runs entirely in your browser — nothing you enter is uploaded or stored.

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Frequently asked questions

Is my data uploaded?

No. This calculator runs entirely in your browser — the numbers you enter are never sent to a server. You can verify it in the Network tab or our Content-Security-Policy.

Frequently asked questions

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