Jet Lag from Los Angeles to Paris

Paris runs 9 hours ahead of Los Angeles — a eastbound shift over a roughly 11-hour flight. Expect about 9 days to feel close to normal in Paris.

What to expect

Eastward shifts compress the day and fight the natural drift of the human circadian rhythm, so they tend to feel harder than westward shifts of the same magnitude.

Adjustment playbook

• Shift bedtime earlier by ~1 hour per day before departure.
• Reset your watch to Paris time at boarding.
• On arrival, get bright morning light and avoid bright evening light.
• Caffeine in the morning only.

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