五夜 ごや Meanings Noun division of the night (from approx. 7pm to 5am) into five 2-hour periods the fifth of these periods (approx. 3am to 5am) Kanji 五 five. Read as ゴ. 夜 night. Read as ヤ. Words containing 五夜 十五夜 (じゅうごや) night of the full moon Jinuma: Japanese Dictionary · Word lists