Tenbun(天文), also known as Tembun or Temmon, was a Japanese era name(年号,,nengō,, lit. "year name") after Kyōroku and before Kōji. This period started in July 1532 and ended in October 1555. During this time, the emperor was Go-Nara-tennō(後奈良天皇).
♯The Northern pretenders did not recognize the Genkō era. Gentoku was used in the Northern Court until 1332. ₪The Shōkyō era was recognized only by the Northern pretenders, not by the Southern Court. ‡ Upon reunification of the Northern and Southern Courts in 1392, Genchū was discontinued. Meitoku was used until 1394.