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Land ready, not wrecked.
Jet lag isn't bad luck. It's your body clock reading the wrong sky. See your flight cross daylight and darkness, then follow a plan that shifts you the right way, one day at a time.
How it works
- 1
Enter your flights
Origin, destination, times. Add stops for multi-leg trips.
- 2
Watch the sun cross your route
The map plays your journey so you see exactly when your body meets light and dark.
- 3
Follow the day-by-day plan
When to chase light, when to hide from it, when to sleep, when to stop the coffee.
Learn the science, in plain English
All articlesHow to Beat Jet Lag: What Actually Works, and What's a Waste of Time
How to beat jet lag: get the direction right, time your daylight and coffee, protect your sleep, and switch to local time the moment you land.
Read Start hereWhat Is Jet Lag? Why It Knocks You Flat, and How to Beat It
What is jet lag? It's your body clock stuck on home time after you cross zones fast. Causes, symptoms, and how long it lasts, roughly a day per zone.
ReadFlying East vs West: Why East Wrecks You and West Doesn't
Flying east is harder than flying west because your body clock likes to run late. Here's why east flattens you, and how to plan for each way.
ReadLight and Jet Lag: Your Most Powerful Lever (and It's Free)
Light is your most powerful lever against jet lag, stronger than caffeine, meals, or any sleep aid. Why daylight resets your clock, and what to do first.
ReadCaffeine and Jet Lag: Time It Right and Coffee's on Your Side
Caffeine can speed up jet lag or wreck your sleep, and timing decides which. Here's when a coffee helps you adjust and when to put the cup down.
ReadYour First 48 Hours After Landing: Where Jet Lag Is Won or Lost
Your first 48 hours after landing decide how fast jet lag fades: get outdoor light timed to your direction, hold one wake time, and eat on local time.
Read