康こう正しょうこうしょうMeanings1nounKōshō era (1455–1457)Japanese era name spanning from July 25, 1455 to September 28, 1457 in the Gregorian calendar.康こう正しょうの時じ代だいは室むろ町まち幕ばく府ふの中ちゅう期きにあたる。The Kōshō era corresponds to the middle of the Muromachi shogunate.
