Time Calculator

Find the duration between two clock times, or add and subtract hours and minutes from any start time.

Time between two times

Start time

End time

Duration

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Start time

Hours

Minutes

Resulting time

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Use negative values to subtract time.

Choose a start and end time to get the difference in hours and minutes.

If the end time is earlier, the calculator treats it as the following day.

Use positive or negative hours and minutes to move a clock time forward or backward.