Travel Tools
Jet Lag Recovery Calculator
Enter the number of time zones you're crossing and the direction to estimate jet lag recovery time.
~6 days
Estimated recovery time
Rule of thumb: eastward travel (losing time) is harder to adjust to than westward travel (gaining time) — roughly 1 day per zone eastward, 2/3 day per zone westward. Individual recovery varies.
How to use this tool
- 1Enter time zones crossed.
- 2Choose eastward or westward travel.
- 3See the estimated recovery time.
Frequently asked questions
Why is eastward travel worse?+
Traveling east means losing time, which is harder for the body's circadian rhythm to adjust to than gaining time when traveling west.