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Thailand ICT (UTC+7) Jet Lag, Overnight Flight & Tropical Heat Acclimatization Planner

Create a day-by-day sleep, melatonin, light exposure, and hydration schedule for long-haul flights into Bangkok (BKK) or Phuket (HKT).

By the ThailandStarter Editorial Team · Fact-checked · Updated

Why Thailand (Indochina Time — ICT, UTC+7) Has No Daylight Saving Time

All 77 provinces of Thailand observe Indochina Time (ICT, UTC+7) year-round with zero clock changes. Sunrise in Bangkok and Phuket occurs around 06:00–06:30 and sunset around 18:00–18:45 every month of the year.

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