Date and Time Calculators

Time Duration Calculator

Calculate time duration with Calculator 360 using the available inputs.

An end time earlier than the start is treated as the next day.
Used in Add time spans mode. Example: 09:00-17:30, 60. Up to 31 spans.

Try an example

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How to use this calculator

Find the duration between two times, including a crossing of midnight, or add up to 31 time spans with optional breaks.

Choose the relevant mode and units, enter the needed values, and review the result and its stated limits.

Calculated from the values you enter using the shared calculator engine.

Frequently asked questions

What does this tool calculate?

Find the duration between two times, including a crossing of midnight, or add up to 31 time spans with optional breaks.

Which inputs are used?

The calculation uses the values and units you enter in this form.