on the third Sunday of June perhaps due to American influence and as proclaimed in 1988 by Philippine President Corazon Aquino. Under Proclamation No. 58, series of 1998, issued by then Philippine President Joseph Ejercito Estrada, the first Monday of December of every year was designated as Mother's Day and Father's Day, expressly repealing the third Sunday of June observance. Singapore In Singapore, Father's Day is celebrated on the third Sunday of June but is not a public holiday. South Korea In South Korea, Parents' Day () is celebrated on 8 May and is not a public holiday. Setting Parents' Day as a national holiday and holding a pan-national event is intended to inherit and develop traditional ethical standards such as filial piety and senior citizens' ideology. Regardless of age or gender, this day is also an opportunity to reaffirm that traditional filial piety is a crucial norm and cultural value in modern society. The ceremony to mark Parents' Day as an anniversary and put on carnations stems from a Christian culture. As Western religions and cultures entered, this holiday, which was introduced together, became the most traditional holiday combined with Confucian filial piety in the process of establishing itself. Sri Lanka Father's Day (Sinhala: ; Tamil: ) is observed on the third Sunday of June. It is not a public holiday. Many schools hold special events to honor fathers. Taiwan In Taiwan, Father's Day is not an official holiday, but is widely observed on 8 August, the eighth day of the eighth month of the year. In Mandarin Chinese, the pronunciation of the number eight is bā, and the pronunciation is very similar to the character (bà), which means "pa" or "dad". The eighth day of the eighth month () is a pun for dad (). Taiwan, therefore, sometimes refer to 8 August as "Bābā Holiday" as a pun for "Dad's Holiday" () or the more formal "Father's Day" (). Thailand In Thailand, Father's Day is observed on 5 December, the birthday of the late King Bhumibol Adulyadej (Rama IX). In Thailand, Father's Day, as well as Mother's Day, are national public holidays. Traditionally, Thais celebrate by giving their father or grandfather a canna flower (), 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 late king, because yellow is the