永えい観かんえいかんMeanings1nounEikan era (983.4.15–985.4.27)A Japanese era name (年号) corresponding to the late Heian period. Used in historical contexts.永えい観かん元がん年ねんは西せい暦れき983年ねんにあたる。The first year of the Eikan era corresponds to 983 CE.