Wednesday, 5 December 2040
Thailand National Day marks the birthday anniversary of King Bhumibol Adulyadej the Great and is also observed as Father’s Day.
Also known as
- Birthday Anniversary of His Majesty King Bhumibol Adulyadej the Great
- Thailand Father’s Day
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Add to calendarFrequently asked questions
- When is Thailand National Day 2040?
- Thailand National Day 2040 is on Wednesday, 5 December 2040.
- What day of the week is Thailand National Day 2040?
- It falls on Wednesday.
- How is Thailand National Day calculated?
- This event is observed every year on 5 December.