Wednesday, 4 November 2026
Tonga Constitution Day commemorates the adoption of the country’s constitution on 4 November 1875.
Also known as
- Tonga National Day
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Add to calendarFrequently asked questions
- When is Tonga Constitution Day 2026?
- Tonga Constitution Day 2026 is on Wednesday, 4 November 2026.
- What day of the week is Tonga Constitution Day 2026?
- It falls on Wednesday.
- How is Tonga Constitution Day calculated?
- This event is observed every year on 4 November.