Time Duration Calculator
Enter the start and end times.
Duration
8h 30m
- Total minutes
- 510
- Total hours
- 8.50
How it works
We subtract the times to the minute, wrapping past midnight automatically.
Formula
Duration = (end − start) with midnight wrap.
Worked example
09:00 → 17:30 = 8h 30m.
FAQ
- Cross midnight?
- Yes — 24h is added automatically.
- Seconds?
- Current version uses minutes only.
- Timesheets?
- Yes — compute per segment and sum.