Free time-zone planning tool

Jet Lag Planner

Compare origin and destination time zones and create a simple sleep-shift plan for the days before departure.

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  • Free Travel Tool
  • Beginner Friendly
  • Updated Regularly
Time-zone adjustment

Prepare for the clock change.

Choose your cities and how many days you have before the trip. The planner suggests a gradual schedule shift.

No account needed

This is general travel-planning guidance, not medical advice. Sleep needs and health conditions vary. If you have a sleep disorder, take medication, are pregnant, or have another health concern, ask a qualified clinician before making major sleep changes.