Sultan Selangor Birthday Malaysia. Below is the date of sultan of selangor's birthday on year 2022 and 2023. Birthday of the sultan of selangor is a public holiday in selangor, malaysia which falls on sunday, december 11th, 2022. Sultan sharafuddin is the current monarch and the ninth consecutive sultan of the bugis dynasty to reign over selangor. Observed annually as one of five mandatory state holidays in selangor, malaysia, the birthday of the sultan of selangor is a state holiday that's observed .