Hours Between Two Times Calculator
Find the elapsed time between two clock times.
The calculator handles same-day and overnight intervals.
Result
--
Run the calculation to see the time difference.
| Metric | Value |
|---|---|
| Total hours | -- |
| Total minutes | -- |
| Total seconds | -- |
| Interval type | -- |
Quick Answer
Subtract the start clock time from the end clock time. If the end time is earlier, the interval is treated as overnight.
How to Calculate
- Enter the start time.
- Enter the end time.
- Click Calculate.
- Read the elapsed duration.
Formula
Time difference = end time - start time
If the result is negative, add 24 hours.
Worked Examples
Example 1: 09:15 to 17:45 = 8h 30m.
Example 2: 22:00 to 06:30 = 8h 30m overnight.
Example 3: 12:00 to 12:30 = 30 minutes.
How to Interpret Your Results
| Output | Meaning | Action |
|---|---|---|
| Total hours | The elapsed duration in decimal hours. | Use it for quick time tracking. |
| Total minutes | The elapsed duration in minutes. | Use it when you need a single unit. |
| Interval type | Same-day or overnight interval. | Check it if the end time is earlier than the start. |
Frequently Asked Questions
The calculator treats it as an overnight duration and adds 24 hours.
Yes. It is useful for shifts that start on one day and end on the next.
Yes. Seconds are shown in the breakdown table.
Related Calculators
References
- OmniCalculator reference page
- Clock duration is the difference between two times of day.
- Last reviewed: March 2026.