Free online calculator

Time Duration Calculator

Find the elapsed time between two date-and-time points. Results include total days, hours, minutes and seconds.

Calculate elapsed time

How to use the Time Duration Calculator

  1. Choose the starting date and time.
  2. Choose the ending date and time.
  3. The calculator subtracts the earlier timestamp from the later timestamp.
  4. The result is displayed as a normalized duration and as total hours and total minutes.

Examples

Same-day duration

From 8:15 AM to 3:45 PM is 7 hours 30 minutes.

Multi-day duration

From Monday at 10:00 AM to Wednesday at 1:30 PM is 2 days, 3 hours and 30 minutes.

Frequently asked questions

What is elapsed time?

Elapsed time is the amount of time that passes between a starting point and an ending point.

Can the duration span several days?

Yes. The calculator supports durations spanning multiple calendar days.

Does this calculator handle time zones?

This initial calculator compares the date and time values you enter without applying a separate time-zone conversion.

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