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anniversary of a person's death; monthly return of the date of someone's death
今日は祖父の命日だ。
Today is the anniversary of my grandfather's death.
命日には、家族でお墓参りをする。
On the death anniversary, families visit the grave.
毎年、彼の命日には多くの人が花を手向けに訪れる。
Every year, on the anniversary of his death, many people visit to offer flowers.