Practical
Jet Lag Recovery Calculator
Estimate jet lag recovery time by time zones crossed and travel direction
Jet lag occurs when your circadian rhythm is misaligned with local time after crossing multiple time zones. Eastward travel is harder than westward, and recovery takes roughly one day per time zone crossed.
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Tip: Adopt your destination’s time zone immediately on the flight itself - eat, sleep, and stay awake according to destination time rather than home time.
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Fun Fact
The US military uses controlled light therapy and precise melatonin protocols to manage jet lag in fatigued pilots and special forces operators.
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