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Jet Lag Calculator
Plan your recovery after crossing time zones.
The tool computes the time difference between zones, your local arrival time, and a recovery estimate of roughly one day per 2 hours of time change.
How it works
The tool computes the time difference between zones, your local arrival time, and a recovery estimate of roughly one day per 2 hours of time change.
Worked example
GMT to GMT+8 (8 h) suggests about 4 recovery days.
Recommendations
- Adapt to local time as soon as you land
- Get sunlight in the morning at your destination
- Sleep on the plane to match your destination night
Tips & advice
- Stay hydrated and avoid heavy alcohol
- Eat meals at local times
- Plan light activities the first two days
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Jet Lag Calculator
Plan your recovery after crossing time zones.
Use the calculatorInvoice Generator FAQs
Yes, they use the browser's date engine. Results update live as you change the dates or times.
Dates use the international YYYY-MM-DD format in the inputs. Display adapts to your locale.
Yes — every generated calendar and schedule can be printed directly from the page with your browser.
No. All conversions and world clocks run locally in your browser with standard time zone offsets.
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