Calculate the ideal adjustment period when traveling across multiple time zones. Get personalized recommendations for gradual clock adjustments.
Enter your values below
Total time zone difference between origin and destination.
Eastbound causes more disruption to circadian rhythm.
Gradual, Immediate, or Mixed approach.
How this calculator works
Applies different recovery multipliers based on travel direction, with eastward travel requiring more adjustment time.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.