How do I use the Time Duration Calculator?

Enter start time (24-hour or AM/PM format). Enter end time. If end time is earlier, the calculator assumes it's the next day. Click Calculate to see the duration.

Is the Time Duration Calculator free?

Yes, the Time Duration Calculator on ToolHaven is completely free to use. No signup or registration is required.

Time Duration Calculator

Calculate the exact time duration between two times in hours, minutes, and seconds. Works across midnight – perfect for night shifts, travel time, and scheduling.

Start Time

End Time

How to use

Enter start time (24-hour or AM/PM format).
Enter end time.
If end time is earlier, the calculator assumes it's the next day.
Click Calculate to see the duration.

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