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Eikan (永観) was a Japanese era name (年号, nengō, lit. "year name") after Tengen and before Kanna. This period spanned the years from April 983 through April 985.^[1] The reigning emperors were En'yū-tennō (円融天皇) and Kazan-tennō (花山天皇).^[2]

Change of era

• February 16, 983 Eikan gannen (永観元年)]: The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Tengen 6, on the 15th day of the 4th month of 983.^[3]

Events of the Eikan era

• October 6, 983 (Eikan 1, 27th day of the 8th month): In the 15th year of Emperor En'yu's reign (円融天皇15年), he abdicated; and the succession (senso) was received by a nephew. Shortly thereafter, Emperor Kazan is said to have acceded to the throne (sokui).^[4]
• September/October 983 (Eikan 1, 8th month): Chōnen, the Buddhist monk of the Tendai school embarked on a voyage to China accompanied by 5 or 6 disciples.^[5]