◷ Free Time Duration Tool

Time Duration Calculator

Calculate the exact duration between two times in hours, minutes and seconds. Perfect for work shifts, meetings, workouts, travel, projects and everyday time tracking.

Time Duration
—
Enter two times to calculate the duration.
— Total Hours
— Total Minutes
— Total Seconds
— Decimal Hours

What Is a Time Duration Calculator?

A time duration calculator determines the exact amount of time between two times. Instead of manually subtracting hours, minutes and seconds, you can enter the start and end time and instantly calculate the duration.

This tool is useful for calculating work hours, employee shifts, meeting durations, workout sessions, study sessions, travel durations, project time, cooking times and other activities.

How to Calculate Time Duration

  • Enter the Start Time.
  • Enter the End Time.
  • Enable Overnight Duration if the end time occurs after midnight.
  • Click Calculate Duration.
  • View the duration in hours, minutes and seconds.

Time Duration Calculation Example

Example: 9:00 AM to 5:30 PM

The duration between 9:00 AM and 5:30 PM is 8 hours and 30 minutes. The calculator also converts the duration into total minutes, total seconds and decimal hours.

Calculate Overnight Time

Some activities begin on one day and finish after midnight. Examples include overnight work shifts, late-night travel, events and sleep schedules.

Enable the overnight option when the ending time belongs to the following day. For example, a shift from 10:00 PM to 6:00 AM represents 8 hours.

More Date & Time Calculators

Frequently Asked Questions

What is a time duration calculator?

A time duration calculator calculates the exact amount of time between two times and displays the result in hours, minutes and seconds.

How do I calculate the duration between two times?

Enter the starting time and ending time, then click Calculate Duration. The calculator displays the duration in hours, minutes and seconds.

Can the calculator calculate overnight durations?

Yes. Enable the overnight option when the ending time occurs after midnight.

Can I calculate total minutes and seconds?

Yes. The result includes total hours, total minutes, total seconds and decimal hours.

Is the time duration calculator free?

Yes. The DaysCounter time duration calculator is free to use online.