Jetlag, solved before takeoff

TimeShift

Crossing time zones wrecks your sleep — and it’s genuinely hard to know when to rest. Enter any itinerary and TimeShift maps it against your destination’s day and night, then tells you exactly when to sleep on the plane.

Build your own journey

Sign in with just your email — no password — to enter your own flights, save them, and get a personalized AI jetlag plan for each trip.

Sign in with email

A worked example — JFK → Tokyo via London

Destination clock · Asia/Tokyo

New York → Tokyo (via London)

home America/New_Yorkdest Asia/Tokyoshift +13.0h
3h layover☾ sleepJFK → LHR07:00–14:00 · 7hLHR → HND17:00–04:30 · 11h 30m07:00 · Asia/Tokyo04:30 · Asia/Tokyo
daylight night flight sleep window

Your jetlag plan

AI-generated

A plan written for this exact itinerary — when to shift your clock, sleep, and chase light.