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King Bhumibol Adulyadej's Birthday 2026
King Bhumibol Adulyadej's Birthday is a public holiday in Thailand, observed on Saturday, Dec 5, 2026.
- Type
- Public holiday
- Date
- Dec 5, 2026
- Day of week
- Saturday
- Day off
- Yes
King Bhumibol Adulyadej's Birthday sits in a 2-day break (Dec 5 – 6). Take 4 days of leave (Dec 7–9 + Dec 11) for 9 consecutive days off. All long weekends in Thailand 2026 →
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- Sat 5🇹🇭King Bhumibol Adulyadej's Birthday
- Thu 10🇹🇭Constitution Day
- Thu 31🇹🇭New Year's Eve