Jet Lag from Los Angeles to Bangkok

Bangkok runs 14 hours ahead of Los Angeles — a eastbound shift over a roughly 18-hour flight. Expect about 14 days to feel close to normal in Bangkok.

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 Bangkok time at boarding.
• On arrival, get bright morning light and avoid bright evening light.
• Caffeine in the morning only.

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