Time Calculator
CalculatorsAdd or subtract time, or calculate the duration between two times, instantly.
Add or subtract time
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Duration between two times
to
Duration: —
Notes
Duration wraps to the next day if the end time is earlier than the start time (e.g. an overnight shift).
What you can do with this tool
- Calculate hours worked between a start and end time
- Add hours and minutes to a start time
- Calculate an overnight shift duration
Frequently asked questions
- What happens if the end time is earlier than the start time?
- The duration wraps to the next day, which is useful for overnight shifts.