Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Time Zones
Jet Lag Recovery Calculator
Estimate the number of days needed to fully resync your circadian rhythm after long-haul travel, weighted by time-zone shift, direction (eastward is harder), age, and travel frequency. Use it before a trip to plan meetings and downtime realistically.
Fill in the required fields to see your result.
Time Zones
Travel Jet Lag Recovery Calculator
Estimate how many days of jet-lag recovery you can expect after a long-haul flight, based on time-zone gap, flight length, age, and travel experience. Use it before booking trips to plan rest days.
Fill in the required fields to see your result.
Key differences
| Jet Lag Recovery Calculator | Travel Jet Lag Recovery Calculator | |
|---|---|---|
| Category | Time Zones | Time Zones |
| Inputs required | 4 | 5 |
| Result | Recovery Time (days) | Jet Lag Recovery Days (days) |
| What it does | Estimate the number of days needed to fully resync your circadian rhythm after long-haul travel, weighted by time-zone shift, direction (eastward is harder), age, and travel frequency. Use it before a trip to plan meetings and downtime realistically. | Estimate how many days of jet-lag recovery you can expect after a long-haul flight, based on time-zone gap, flight length, age, and travel experience. Use it before booking trips to plan rest days. |