Time Calculator - Online

This online time calculator lets you add or subtract two given times and return results in years, months, days, hours, minutes, and seconds.

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About Time Calculator

The time calculator is a free online tool that makes your time and date duration calculation easier and faster. It can add or subtract two entered time values and shows results in different time parameters.

Time Calculator - Time Duration Calculator

How to Use the Time Calculator?

  1. Firstly, enter the starting and ending time values for that you want to add or subtract time.
  2. Make sure the entered time is in proper format: ( Years/Months/Days - Hours/Minutes/Seconds ). Also, it's not required to enter all the values. You can enter any of the time values as needed.
  3. Now choose the "Add" or "Subtract" operation from the radio option.
  4. Lastly, press the "Calculate" button.
  5. As a result, the tool shows the final output on your screen within a second.