Time & Date Calculators

Time Duration Calculator

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

Start Hour (0-23)

Start Minute

End Hour (0-23)

End Minute

Duration0h 0m

Total Minutes0

Decimal Hours0.00

Time Duration Formula

Duration = End Time − Start Time (in minutes), converted to hours and minutes

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

Duration = 8h 15m = 8.25 hours

What if end time is past midnight?

Calculate the difference between two times or time zones.

Calculate the number of working days (weekdays) between two dates.