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 is located in the northwestern region of the island of Borneo and therefore falls in the equatorial climatic zone. Climate of Brunei is therefore of the equatorial type. High temperature and heavy rainfall, which are the typical features of equatorial climate, characterize the climate of Brunei.
Brunei has a constitutional sultanate type of government which operates on the basis of the constitution of Brunei.