Vocabulary What does 八日 (ようか, youka) mean? 八日 (ようか, youka) means the 8th day of the month; eight days. Quick factsReadingようかRomajiyoukaLevel (estimated, JLPT framework)N5 八日ようかN5 · estimated, JLPT frameworkyoukathe 8th day of the month; eight daysGenkiGenki 13Example sentences旅行(りょこう)は八日間(ようかかん)です。The trip is eight days long.八日(ようか)に会(あ)いましょう。Let's meet on the 8th.Kanji in this word八eight; the number 8日day; sun