Time between two times
Calculate the duration between two times in HH:MM:SS format.
Automatically calculate the duration between a start time and an end time in HH:MM:SS format. Adjust hours, minutes and seconds with the plus and minus buttons, and get the result instantly.
Times to compare
Start time
End time
Results
| HH:MM:SS format | |
|---|---|
| Total seconds | |
| Total minutes | |
| Decimal hours | |
| Selected start | |
| Selected end |
Quick explanation
Enter a start time and an end time. The tool calculates the difference automatically and adjusts the end time if it becomes earlier than the start time. Minutes and seconds stay limited to 59 to keep a standard time format.
Try this too
Already know the duration?
Use the End time calculator to add a duration to a start time and get the finishing time.
Additional information
How to calculate the duration between two times
Enter a start time and an end time in HH:MM:SS format. The result updates automatically whenever a value changes.
Each time is made of three fields: hours, minutes and seconds. The plus and minus buttons make it easy to adjust each value without typing the full time manually.
Which time format is used?
The tool uses a standard 24-hour time format. Hours go from 00 to 23, while minutes and seconds go from 00 to 59.
This avoids ambiguous values and works well for regular times within a day: meeting start and end, work periods, activities, classes or trips.
What happens if the end time is earlier than the start time?
The end time is automatically adjusted so it cannot be earlier than the start time. The tool is therefore focused on calculating a duration within the same day, without automatically interpreting a midnight crossing.
What results are displayed?
The calculated duration is shown in HH:MM:SS format. Additional values may also help make the result easier to read, such as hours, minutes or seconds depending on the tool display.
When is this tool useful?
Use it to find the duration of a meeting, class, workout, work session, intervention, cooking step, trip or any activity with a start time and an end time.
Difference with other duration tools
This tool compares two precise times. If you need to add several durations, use the duration adder. If you need to convert one duration into several formats, use the duration converter. If you know the start time and the duration, use the End time calculator.
Limits and reuse
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