The ceremony of the Royal Barge procession will take place on the Chao Phraya River to mark Thailand's King Maha Vajiralongkorn Bodindradebayavarangkun (Rama X), 72nd birthday, which is on 28 July, and will take place again on the Chao Phraya River on October 27 to mark the ceremony of the Royal Barge procession to present the Royal Cathine, or robes, to the Buddhist monk, or the Royal Kathin Buddhist rite ceremony, will take place on the Chao Phraya River on October 27.