The Sultan of Selangor’s Birthday is celebrated on December 11th in Selangor, Malaysia. It is a state-level public holiday and is celebrated with great honor and respect. The day is marked by special ceremonies and events, including a royal parade and a birthday speech by the Sultan. Sultan Sharafuddin Idris Shah is the current ruler of Selangor, who has reigned since 2001. He was born on December 24th, 1945, and is the ninth consecutive sultan of the Bugis Dynasty to reign over Selangor.