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Time Calculator

Convert the starting time to minutes, add the duration, then convert back to a 24-hour clock.

This calculator is free to use. Enable JavaScript to enter your values and see a result instantly.

How it works

Convert the starting time to minutes, add the duration, then convert back to a 24-hour clock.

Worked example

09:00 plus 2 hours 30 minutes is 11:30.

Keep in mind

Results are estimates; check the assumptions for your situation.

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