Time Duration Calculator
Add or subtract two durations in hours, minutes and seconds.
Duration A
Duration B
Result
4:06:15
Combine or subtract two time durations and get the result in hh:mm:ss.
How to use
- Enter the first duration.
- Choose add or subtract and enter the second.
- Read the total in hh:mm:ss.
Frequently asked questions
- Can the result be negative?
- Yes, subtracting a larger duration shows a negative result.
- What's the format?
- Hours:minutes:seconds, with minutes and seconds zero-padded.