Kantoku (寛徳) was a Japanese era name (年号, nengō, lit.
"year name") after Chōkyū and before Eishō, This period spanned the years from November 1044 through April 1046.
[1] The reigning emperors were Go-Suzaku-tennō (後朱雀天皇) and Go-Reizei-tennō (後冷泉天皇).
[2]