In the Southeast Asian country of Brunei, Prophet Muhammad's Birthday is celebrated with great reverence and joy. This is one of the most significant Islamic holidays in the country and is observed on the 12th day of Rabi' al-awwal, the third month in the Islamic calendar. It is a day to honor and remember the teachings of the Prophet Muhammad, considered by Muslims as the last prophet sent by God.

On this special day, mosques in Brunei are filled with people attending special sermons and prayer meetings. The Sultan and prominent government leaders often take part in these religious ceremonies, highlighting the significance of the event in the nation's social and political life. Various activities are also organized, such as religious processions, Quran recital competitions, and feasts with traditional Bruneian cuisine.

The streets of Brunei's cities and towns are adorned with flags, buntings, and lights, creating an atmosphere of celebration. Parades are often held, featuring floats adorned with Islamic symbols and portraits of the Prophet Muhammad. Additionally, acts of charity and community service are encouraged, reinforcing the message of compassion and unity that is central to the teachings of Prophet Muhammad.