Live tool/tool/time-duration-calculator

Time Duration Calculator

Calculate the exact duration between two date-time values, including overnight and multi-day spans.

Date & TimeUtilitiesReference

Start date

Start time

End date

End time

Duration

8 hr 45 min

Total minutes

525

Start

Apr 11, 2026, 9:00 AM

End

Apr 11, 2026, 5:45 PM