Jōkyō
Jōkyō (貞享) was a Japanese era name (年号, nengō, "year name") after Tenna and before Genroku. This period spanned the years from February 1684 through September 1688. The reigning emperors were Reigen-tennō (霊元天皇) and Higashiyama-tennō (東山天皇).
Japanese era from April 1684 to October 1688
Japanese era name