The six Buddhist memorial services have the names respectively, which are called "nicchu" (the time roughly from 10:00 to 14:00), "nichimotsu" (afternoon (roughly from 14:00 to 18:00)), "shoya" (evening (roughly from 18:00 to 22:00)), "hanya" (midnight (roughly from 0:00 to 2:00)), "goya" (the time from 2:00 to 6:00 in the morning) and "jinjo" (morning (roughly from 6:00 to 10:00)).
6回の法要にはそれぞれ名前があり、「日中(にっちゅう)」「日没(にちもつ)」「初夜(しょや)」「半夜(はんや)」「後夜(ごや)」「晨朝(じんじょう)」と呼ばれる。