Time Difference Calculator

Calculate the exact duration between two times in hours, minutes and seconds.

Time Difference

Exact Duration -
- Hours
- Minutes
- Seconds
Total Hours -
Total Minutes -
Total Seconds -
Start Time -
End Time -
Day Relationship -

How is time difference calculated?

Step 1
Convert both times into seconds.

Step 2
Difference = End Time - Start Time

Step 3
Convert the difference back into hours, minutes and seconds.
Example:

Start Time: 9:30 AM
End Time: 5:45 PM

Difference: 8 hours 15 minutes
Overnight Example:

Start Time: 10:00 PM
End Time: 6:00 AM
End time is on the next day: Yes

Difference: 8 hours
If a shift or event crosses midnight, select End time is on the next day.
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