H.M. The Sultan's Birthday (in lieu) is celebrated on July 15 in Brunei to honor the reigning monarch. This significant national event features elaborate ceremonies and public celebrations that often last for two weeks. It serves as an opportunity to appreciate Brunei's rich culture and royal traditions. The festivities include various cultural engagements, with travel agencies offering special packages for visitors to experience the celebrations firsthand. Additionally, cultural institutions may host educational programs or exhibits related to Bruneian history and traditions. The holiday is marked by widespread reverence and festive activities throughout the Sultanate, reflecting the importance of the Sultan's role in the nation.