US Jet Lag Calculator — How It Works

Estimate jet lag recovery time for a US trip based on timezone difference and direction. Try the US Jet Lag Calculator in your browser — instant results, no sign-up.

How to use

Enter your values in the fields shown. Results update live as you type.

FAQ

Is this free?

Yes — runs entirely in your browser, no sign-up required.

Is my data saved or sent anywhere?

No. All calculations happen locally in your browser — nothing is uploaded.

Are the results exact?

These are estimates for planning purposes. Always confirm costs, fares, and visa rules with official sources before you travel.

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