Flight Duration Calculator
Work out a flight's real duration from local departure and arrival times, or the local arrival time from a flight length.
Cities · Local times · Duration
Runs in your browserOpen tool
Travel & Global
Jet Lag Calculator
See the time difference and direction for a trip, a rule-of-thumb recovery estimate and a simple plan to shift your sleep first.
- Runs in your browser
- Works on mobile
- In: Cities, Travel date, Usual sleep times
- Out: Time difference, Recovery estimate, Sleep plan
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About Jet Lag Calculator
Pick where you fly from and to and the travel date. The tool gives the time difference on that date (daylight saving included), whether your body clock has to move earlier (flying east) or later (flying west), roughly how many days adjusting may take, and a gentle plan for moving your bedtime an hour a day before you go.
The recovery figure is a general rule of thumb - about a day per time zone, usually slower after flying east - not a prediction or medical advice. People differ; ask a doctor about sleep aids or melatonin.
How to use it
- 1Pick where you are flying from and to, and the travel date.
- 2Optionally enter your usual bedtime and waking time.
- 3Read the time difference, direction and rough recovery estimate.
- 4Follow or adapt the day-by-day plan before you leave.
Questions
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