ごや 五夜 LinksSentence search for 五夜Sentence search for ごやKanji details for 五 and 夜Edit in JMdict Noun1. division of the night (from approx. 7pm to 5am) into five 2-hour periodsArchaicNoun2. the fifth of these periods (approx. 3am to 5am) Discussions Log in to talk about this word.