In Thailand, the birthday of the king, is set as Father's Day.[40] December 5 is the birthday of the current king, Bhumibol Adulyadej (Rama IX).Traditionally, Thais celebrate by giving their father or grandfather a canna flower (ดอกพุทธรักษา Dok Buddha Ruksa), which is considered a masculine flower; however, this is not as commonly practiced today. Thai people will wear yellow on this day to show respect for the king, because yellow is the color of the day for Monday, the day King Bhumibol Adulyadej was born. Thais flood the Sanam Luang, a massive park in front of the palace