National Holidays 2025 Oman. A list of holidays and observances in oman for 2025, providing a concise overview of the country's key celebrations. Oman’s glorious national day is on november 18, 2025.
These dates may be modified as official changes are announced, so please check back regularly for updates. This holiday celebrates the country’s independence from portuguese rule in 1650 and the birthday of sultan qaboos.