King Bhumibol Adulyadej’s Birthday / Father’s Day

King Bhumibol Adulyadej’s Birthday is celebrated every year on 5 December and is one of Thailand’s most significant national public holidays. The day honours the birthday of King Bhumibol Adulyadej the Great (King Rama IX), who reigned for 70 years and remains deeply respected throughout the country. It is also celebrated as Father’s Day in Thailand, making it a time for both national remembrance and family appreciation.

In Chiang Mai, the holiday combines religious traditions, royal commemorations and family gatherings, creating a meaningful cultural experience for visitors.

King Bhumibol Adulyadej’s Birthday / Father’s Day 2026 Date, Thailand

Throughout Chiang Mai, government buildings, public spaces and major streets are decorated with Thai national flags, yellow royal flags and portraits of the late King. Yellow is the colour traditionally associated with King Bhumibol’s birthday, and many Thai people wear yellow clothing to honour his legacy. Public parks, monuments and civic buildings are often illuminated in the evenings, adding to the respectful atmosphere.

Many residents begin the day by visiting temples such as Wat Phra Singh, Wat Chedi Luang, Wat Phra That Doi Suthep and Wat Suan Dok to make merit. Families offer food to monks, make donations and pray in memory of King Bhumibol while also seeking blessings for their fathers and loved ones. On Father’s Day, it is common for children to present their fathers with Canna flowers, the traditional symbol of the day in Thailand.

For visitors, the holiday provides an opportunity to experience Chiang Mai during one of the most pleasant times of year. December’s cool temperatures make it ideal for exploring the Old City, visiting mountain viewpoints, shopping at local markets or enjoying the city’s renowned cafés and restaurants.

Most tourism businesses continue to operate as usual, allowing travellers to enjoy both cultural traditions and popular attractions.

In the evening, many communities hold candle-lighting ceremonies and commemorative events in honour of King Bhumibol’s life and contributions to Thailand. These respectful gatherings offer visitors a deeper understanding of the enduring admiration many Thai people have for the late monarch.

Whether you spend the day exploring ancient temples, enjoying time with family or observing local traditions, King Bhumibol Adulyadej’s Birthday and Father’s Day provide a memorable opportunity to experience one of Thailand’s most important public holidays.

What’s Open / Closed on King Bhumibol Adulyadej’s Birthday / Father’s Day in Chiang Mai

What’s Open

Although 5 December is a national public holiday, most tourism businesses continue operating.

• Temples such as Wat Phra Singh, Wat Chedi Luang, Wat Phra That Doi Suthep and Wat Suan Dok remain open, with many hosting merit-making ceremonies.
• Popular attractions, museums and cultural sites are generally open, although some may operate with adjusted holiday hours.
• Shopping centres such as Central Festival Chiang Mai, MAYA Lifestyle Shopping Center and One Nimman remain open.
• Restaurants, cafés, hotels and resorts continue operating, with many offering Father’s Day dining specials.
• Tour operators generally continue offering sightseeing tours and excursions.
• Public transport, taxis and ride-hailing services remain available.
• Night markets operate if they fall on their usual trading day.

What’s Closed or May Have Limited Hours

Some services observe the public holiday.

• Government offices and municipal services are closed.
• Banks are generally closed, although ATMs and online banking remain available.
• Some family-run shops and neighbourhood businesses may close or operate reduced hours.
• Certain privately operated attractions or museums may have adjusted opening hours.

Tips and Advice for King Bhumibol Adulyadej’s Birthday / Father’s Day

• Visit Wat Phra Singh or Wat Phra That Doi Suthep during the morning to experience traditional merit-making ceremonies and observe local customs.
• Dress modestly when visiting temples by covering your shoulders and knees, and remove your shoes before entering temple buildings.
• If you would like to respectfully acknowledge the occasion, consider wearing yellow, the colour associated with King Bhumibol Adulyadej’s birthday.
• Be aware that many restaurants are busier than usual as Thai families celebrate Father’s Day together, so reservations are recommended.
• Take advantage of Chiang Mai’s cool December weather by exploring outdoor attractions such as the Old City or Doi Suthep.
• Carry some cash for local markets, food stalls and smaller businesses that may not accept card payments.
• Show respect around royal portraits, commemorative displays and candle-lighting ceremonies, as King Bhumibol remains deeply revered throughout Thailand.
• If photographing public ceremonies, remain discreet and avoid interrupting participants.
• Allow extra travel time if travelling through the city centre during official commemorative events.
• Take the opportunity to learn more about King Bhumibol Adulyadej’s remarkable contributions to Thailand while enjoying one of Chiang Mai’s most comfortable seasons for sightseeing.