In "Hokuzansho" (a representative book of ceremonies for the Heian period written by FUJIWARA no Kinto), there is a mention of 'the Chrysanthemum Contest of the year 953 recorded in the diary of Kenrihoo (Imperial Prince Shigeakira)' (A parenthetical reference by the author), and it is known that the imperial event of the Chrysanthemum Contest in 953 was held on November 23 (according to "Kokonchomonju" [A Collection of Tales Heard, Past and Present]).
『北山抄』によると「見吏部王（重明親王）天暦七年菊合日記」（括弧は筆者註）とあり、天暦7年の菊合の御遊は、10月13日に行われている（『古今著聞集』）。