The National Day of Oman is a public holiday that is observed on the 18th of November of each year. It commemorates the autonomy of Oman in 1650, after being a part of the Portuguese colony. It is the first day of a two day holiday – the second day being the birthday of Sultan Qaboos Bin Said of Oman.
Next National Day in Oman holiday is on
18th November 2025, Tuesday