Time Calculator

Add, subtract, or find the duration between two times

Time Arithmetic

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Duration Between Two Times

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About This Tool

Add and subtract hours, minutes, and seconds. Calculate time differences between two timestamps or add durations together, useful for scheduling, payroll, and project time tracking.

How to Use

  1. Enter the times you want to add or subtract.
  2. Select the operation (add or subtract).
  3. View the calculated result in hours, minutes, and seconds.

Frequently Asked Questions

How do I calculate hours between two times?

Enter the start time and end time. The calculator shows the difference in hours and minutes, handling midnight crossovers correctly.

Can I add multiple time durations together?

Yes. Enter each duration and the calculator sums them, properly carrying minutes into hours and seconds into minutes.