FREE WORK & TIME TOOL

Time Duration Calculator

Calculate the duration between two times, including periods that pass midnight.

Time Duration Calculator

Calculate the duration between two times, including overnight periods.

1h 15m1.25 decimal hours
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About the Time Duration Calculator

Enter a start time and an end time to calculate the elapsed duration. This tool handles an end time on the following day and shows the result in hours and decimal hours.

Frequently Asked Questions

Does it support times after midnight?

Yes. If the end time is earlier than the start time, the result is treated as an overnight duration.

What format is the result shown in?

The result is shown as hours and minutes, with a decimal-hours value underneath.

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