Chōkan (長寛) was a Japanese era name (年号,, nengō,, lit. "year name") after Ōhō and before Eiman. This period started in March 1163 and ended in June 1165. The reigning emperors were Nijō-tennō (二条天皇) and Emperor Rokujō-tennō (六条天皇).
Chōkan (長寛) was a Japanese era name (年号,, nengō,, lit. "year name") after Ōhō and before Eiman. This period started in March 1163 and ended in June 1165. The reigning emperors were Nijō-tennō (二条天皇) and Emperor Rokujō-tennō (六条天皇).