上じょう元げんMeanings1noun15th day of the 1st lunar monthTraditional East Asian calendar term; refers to the first full moon of the lunar year, associated with the Lantern Festival.上じょう元げんは旧きゅう暦れき1月がつ15日にちで、元げん宵しょう節せつとも呼よばれる。Jōgen is the 15th day of the first lunar month, also called the Lantern Festival.