Date Time

Time Calculator

Add hours and minutes to a starting date/time.

Free to use — no sign-up or login.

Result

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This free Time Calculator covers Add hours and minutes to a starting date/time.

Offset a timestamp by a signed hours and minutes amount. Related date time tools sit beside How it works, with no account required.

Using the Time Calculator

Add hours and minutes to a starting date/time. Fill the labeled fields on the Time Calculator and read the result. The formula stays in How it works rather than being repeated here.

FAQ

How do I use the Time Calculator?

Enter the labeled values on the Time Calculator and read the output. t′ = t₀ + hours + minutes.

What formula does the Time Calculator use?

The Time Calculator uses the identity in How it works. In words: t′ = t₀ + hours + minutes.