Calculate Time Duration

The fastest way to determine exact hours and minutes between two times. Professional tools for work, payroll, and planning.

Interactive Duration Tool

Start Time

End Time

Popular Work Shift Comparisons

Duration 3AM to 1AM Duration 3AM to 3AM Duration 3PM to 12AM Duration 6PM to 6PM Duration 2AM to 4PM Duration 5PM to 8PM Duration 8PM to 8AM Duration 11AM to 8PM Duration 6AM to 6PM Duration 1AM to 4AM Duration 7PM to 10PM Duration 7PM to 8AM Duration 12PM to 5PM Duration 3AM to 7AM Duration 10AM to 8PM Duration 7AM to 6PM