Thailand Constitution Day 2026 is on Thursday, December 10, 2026. This annual national holiday commemorates the transition from an absolute monarchy to a constitutional monarchy on December 10, 1932. It is marked by ceremonies honoring the constitution, with government offices closing, although shops and transportation generally operate normally.

New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year is on 31 December. In many countries, New Year's Eve is celebrated at evening parties, where many people dance, eat, drink and watch or light fireworks. Some Christians