What happens if the end time is before the start time?

The calculator assumes you cross midnight, e.g. 22:00 to 06:00 = 8 hours.

Time Duration Between Two Times

Calculate the duration between two times of day in hours, minutes and total minutes.

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How to use this tool

Enter start time and end time in the fields above.
Results update instantly as you type — or click Calculate.
Read your hours and the full breakdown beneath it.

Calculate the duration between two times of day in hours, minutes and total minutes.

Frequently asked questions

What happens if the end time is before the start time?: The calculator assumes you cross midnight, e.g. 22:00 to 06:00 = 8 hours.