こうかいひ 公開日 LinksSentence search for 公開日Sentence search for こうかいひSentence search for こうかいびKanji details for 公, 開 and 日Edit in JMdict Noun1. release date; publication date; opening day; open dayOther forms公開日 【こうかいび】 Discussions Log in to talk about this word.