National Memorial Day

Japanese: 国忌 - こっき

〘Noun〙 The anniversary of the death of an ancestor, a former emperor, an empress, etc. On this day, government affairs were suspended, memorial services were held, and singing, dancing, and musical instruments were performed. These days were abolished and established depending on the era. Koki. ※Ryo Gikai (718) Official "One lord. ( _Two surnames. (Omitted) National memorial day (meaning the day the former emperor died) (Omitted) and matters _concerning the court of various foreigners." ※Kenmu Year Events (around 1334-38) March "On the middle day of the horse, there is a special festival at Iwashimizu. If it is a national memorial day, it is a lower-class festival." [Gencho - Magnolia Flower Poem]

Ko-ki [national memorial service]

〘Noun〙 = Kokki (Kuniki) ※Genji (around 1001-14) Kasugano "When the moon first rose, it began to snow heavily."

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙皇祖、先皇、母后などの命日。この日は政務を休み、追善供養の法要を行ない歌舞管弦をつつしんだ。時代によって廃止されたり、置かれたりした。こき。※令義解（718）職員「卿一人。〈掌_二本姓。〈略〉国忌〈謂。先皇崩日也〉〈略〉及諸蕃朝聘事_一〉」※建武年中行事（1334‐38頃）三月「中の午日、石清水の臨時祭なり、国忌にあたりたらば下のむまなり」〔元稹‐辛夷花詩〕