Time Duration Calculator

Use this time duration calculator when you need to know how much time passes between two clock times. It is useful for work shifts, travel plans, study sessions, appointments, and overnight schedules.

Calculate Time Between Two Times

Use date fields for overnight or multi-day durations.

From
To
Duration 9 hours, 30 minutes 34,200 total seconds

What This Calculator Helps With

Time Duration FAQ

How do I calculate time between two times?

Enter the start date and time, enter the end date and time, then calculate the elapsed duration. The result shows hours, minutes, seconds, and total seconds.

Can the duration pass midnight?

Yes. Use the date fields when a time range crosses midnight or spans several days.