DigiNepal · festivals
Oman National Day (العيد الوطني العماني (Arabic)). Region: Oman. Tradition: National day (UAE and GCC cultural list). Calendar: Gregorian (fixed by government decree). Dates: Official holiday (OM) 2026: Friday 20 November 2026 [official, source OM]; Official holiday (OM) 2027: Saturday 20 November 2027 [official, source OM]; Official holiday (OM) 2028: Monday 20 November 2028 [official, source OM]. History and significance: Oman National Day celebrates the nation's history and renaissance, historically linked to Sultan Qaboos bin Said and the founding of the Al Busaidi dynasty. Muscat holds fireworks, military parades and light displays. The official date and holiday days are set by royal decree each year. Key rituals and foods: Flag displays, fireworks, parades, heritage villages and traditional dress; foods include national dishes such as machboos, harees and luqaimat. Date basis: official = matches a government gazetted holiday list; computed = calculated from the calendar system (tithi astronomy with skyfield and JPL DE421, Hijri Umm al-Qura, Chinese, Korean and Hebrew calendar libraries, or the fixed rule); expected = Umm al-Qura projection pending moon sighting. Sources: Wikipedia and Wikidata (CC BY-SA, CC0) and government holiday lists, summarised in our own words.