Hours Calculator
Subtract the start time from the end time; an earlier end is treated as the next day.
This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.
How it works
Subtract the start time from the end time; an earlier end is treated as the next day.
Worked example
09:00 to 17:30 is 8.5 hours.
Keep in mind
Results are estimates; check the assumptions for your situation.