同どう日じつTop 500MeaningsNounAdverb1. the same dayKanji used同same日sunPitch accentどうじつどうじつUsed in vocabulary同どう日じつ着ちゃくsame-day arrivalNoun同どう日じつ付づけthe same day (as the referenced date); same dateNounExamples1同どう日じつにアポロ１１号ごうが月げつ面めん着ちゃく陸りくに成せい功こうした。On the same day, Apollo 11 succeeded in landing on the moon's surface.