一六日 いちろくび Meanings Noun Edo period to early Meiji non-working day falling on all days of the month with a 1 or a 6 in it (when written in kanji numerals, i.e. the 1st, 11th, 16th, 21st and 26th days of the month) Kanji 一 one. Read as イチ. 六 six. Read as ロク. 日 day. Read as ひ. Jinuma: Japanese Dictionary · Word lists