DigiNepal · festivals
Saudi National Day (اليوم الوطني السعودي (Arabic)). Region: Saudi Arabia. Tradition: National day (UAE and GCC cultural list). Calendar: Gregorian (fixed by government decree). Dates: Official holiday (SA) 2026: Wednesday 23 September 2026 [official, source SA]; Official holiday (SA) 2027: Thursday 23 September 2027 [official, source SA]; Official holiday (SA) 2028: Saturday 23 September 2028 [official, source SA]. History and significance: Saudi National Day marks the unification of the Kingdom of Saudi Arabia by King Abdulaziz Al Saud, proclaimed on 23 September 1932. Cities are decorated in green, with air shows, fireworks and cultural events. It became a public holiday in 2005. 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.