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.[1] During this time, the emperor was Go-Nara-tennō (後奈良天皇)[2] or Go-Heizei-tennō (後平城天皇).[3]