Muslim festivals depend on the Islamic (lunar) calendar so the exact dates vary from year to year depending on the phases of the moon.
Brunei’s culture mainly derived from the Old Malay World, which encompassed the Malay Archipelago and from this stemmed what is known as the Malay Civilisation. Based on historical facts, various cultural elements and foreign civilisations had a hand in influencing the culture of this country.
Brunei has a constitutional sultanate type of government which operates on the basis of the constitution of Brunei.