赤じゃっ口くMeaningsNoun1. day that is unlucky except between the auspicious hours of 11am and 1pm (in the traditional calendar)Other readings赤しゃっ口こう赤しゃっ口く赤口じゃっこう赤せき口ぐちKanji used赤red口mouthPitch accentじゃっく