Reiki (霊亀) was a Japanese era name (年号, nengō, "year name") after Wadō and before Yōrō. This period spanned the years from September 715 through November 717.[1] The reigning empress was Genshō-tennō (元正天皇).[2]
^Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 65–67; Brown, Delmer et al. (1979). Gukanshō, pp. 271–272; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 140–141.