天一太郎 てんいちたろう Meanings Noun day of Ten'ichijin's first ascension to heaven in a year (the 30th day of the first sexagenary cycle of the year) See also: 天一神 (てんいちじん). See also: 天一天上 (てんいちてんじょう). See also: 癸巳 (みずのとみ). Kanji 天 heaven. Read as テン. 一 one. Read as イチ. 太 thick 郎 son. Read as ロウ. Jinuma: Japanese Dictionary · Word lists