Chōwa

Chōwa (長和) was a Japanese era name (年号, nengō; lit. "year name") after Kankō and before Kannin. This period spanned the years from December 1012 through April 1017. The reigning emperors were Sanjō-tennō (三条天皇) and Go-Ichijō-tennō (後一条天皇).