Time Duration Calculator — Hours Between Two Times
If the end time is earlier than the start, it's treated as the next day — useful for night shifts.
Fill in the fields — the answer appears as you type.
Think an answer is wrong? Report it with your inputs.
How it's calculated
- Duration = end − start (+ 24 h if end is earlier) − break
- Decimal hours = minutes ÷ 60
Worked example
09:30 to 18:15 with a 45-minute break = 8 h 0 min.
Load this example into the calculatorAssumptions and limits
- Durations under 24 hours.
- Daylight-saving changes don't apply in India.
Common questions
Why use decimal hours?
Pay and timesheets multiply hours by a rate: 7 h 30 min is 7.5 hours, not 7.30.