Constitution Day

Constitution Day is celebrated each year on 10 December and is a national public holiday in Thailand. The day commemorates the adoption of the country’s first permanent constitution in 1932, marking Thailand’s transition from an absolute monarchy to a constitutional monarchy.

While Constitution Day is an important civic occasion, it is generally observed as a low-key public holiday, making it an excellent time for visitors to explore Chiang Mai while experiencing a glimpse of modern Thai history and culture.

Constitution Day 2026 Date, Celebration, Holiday, Chiang Mai, Thailand

Although the celebrations are more subdued than Thailand’s major cultural festivals, the day serves as a reminder of the country’s political development and constitutional system. Most locals simply enjoy the public holiday by spending time with family, visiting temples or exploring the city’s cafés, markets and attractions.

For visitors, Constitution Day offers the perfect opportunity to experience Chiang Mai during one of the most pleasant times of the year. December brings cool mornings, comfortable daytime temperatures and clear skies, making it ideal for sightseeing. Popular attractions such as the Old City, Wat Phra Singh, Wat Chedi Luang and Wat Phra That Doi Suthep remain major highlights, while nearby destinations like Doi Inthanon National Park offer spectacular mountain scenery.

Many restaurants, cafés and shopping centres continue operating as normal, and the city’s famous night markets remain popular with both locals and tourists. Visitors can sample northern Thai cuisine, browse handcrafted souvenirs or simply enjoy Chiang Mai’s relaxed atmosphere.

Although government offices and banks close for the public holiday, tourism services generally continue without interruption. Hotels, tour operators and transport providers remain available, making it easy to enjoy a full itinerary throughout the day.

As Constitution Day falls during Thailand’s peak travel season, Chiang Mai can be busier than usual with both domestic and international visitors. Booking accommodation and popular tours in advance is recommended, particularly if the holiday creates a long weekend.

Whether you’re exploring ancient temples, enjoying local food or learning about Thailand’s modern history, Constitution Day provides a relaxed and enjoyable opportunity to experience Chiang Mai during one of its most beautiful seasons.

What’s Open / Closed on Constitution Day in Chiang Mai

What’s Open

Although Constitution Day is a national public holiday, most tourism-related businesses remain open.

• Buddhist temples remain open and welcome visitors throughout the day.
• Popular attractions, including Wat Phra That Doi Suthep, the Old City and most museums, are generally open, although some may have slightly adjusted hours.
• Shopping centres such as Central Festival Chiang Mai, MAYA Lifestyle Shopping Center and One Nimman operate as usual.
• Restaurants, cafés, hotels and resorts continue to trade normally.
• Night markets and walking streets operate if they fall on their regular trading day.
• Tour operators continue offering sightseeing tours, cooking classes and outdoor excursions.
• Public transport, taxis and ride-hailing services remain available.

What’s Closed or May Have Limited Hours

Some businesses and public services observe the holiday.

• Government offices and municipal services are closed.
• Banks are generally closed, although ATMs and online banking remain available.
• Some small family-run businesses and neighbourhood shops may close or reduce their operating hours.
• Certain privately operated museums or attractions may adjust their opening times.

Tips and Advice for Constitution Day

• Make the most of the pleasant December weather by exploring outdoor attractions such as Wat Phra That Doi Suthep, Doi Inthanon National Park or the historic Old City.
• Visit local temples to experience the peaceful atmosphere, even though Constitution Day is primarily a civic rather than religious holiday.
• Book accommodation, tours, and popular restaurants in advance, as December is one of Chiang Mai’s busiest months for tourism.
• Carry a light jacket for early mornings and evenings, which can be surprisingly cool during the northern Thailand winter.
• Keep some cash on hand for local markets, food vendors and smaller shops that may not accept card payments.
• Check opening hours before visiting government-run museums or smaller attractions, as some may operate with reduced holiday schedules.
• Allow extra travel time around popular tourist areas if travelling during a long weekend.
• Explore Chiang Mai’s night markets for local handicrafts, street food and live entertainment after a day of sightseeing.
• Stay hydrated and wear sunscreen, as the sun remains strong despite the cooler temperatures.
• Take the opportunity to learn more about Thailand’s modern history and constitutional monarchy while enjoying one of the country’s most comfortable travel seasons.