Thai Buddhists gave alms to 770 monks to make merit for His Majesty the Grand Palace.
Muslim people join a praying rite at the Islamic Affairs Management Centre in Nong Chok district.
Christians joined a rite at the Bangkok Christian College in Bang Rak district, which was chaired by Deputy Prime Minister Tanasak Patimapragorn, to pray for His Majesty.
Hindu people held two praying rites at their temples in Phra Nakhon and Yannawa districts.
The Thai Sikh Temple also held a rite to pray for the King.