Vocabulary What does 火曜 (かよう) mean? 火曜 (かよう) means Tuesday (short form of 火曜日). Quick factsReadingかようPart of speechnounLevel (estimated, JLPT framework)N4 火曜かようN4 · estimated, JLPT frameworkCommonTuesday (short form of 火曜日)1noun TuesdayKanji in this word火fire曜day of the week