Time Calculator
Add or subtract two durations in hours, minutes and seconds.
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How it works
The Time Calculator adds or subtracts two time durations expressed in hours, minutes and seconds, returning the result normalized back into hours, minutes and seconds — useful for timesheets, video editing and scheduling.
Frequently asked questions
Can the result be negative?
Yes, if you subtract a larger duration from a smaller one, the result is shown as a negative duration.