ひ いつの日にか LinksSentence search for いつの日にかSentence search for いつのひにかSentence search for 何時の日にかKanji details for 日Edit in JMdict Expressions (phrases, clauses, etc.)1. one of these days; someday; one daySee also いつの日か いつのひかOther forms何時の日にか 【いつのひにか】 Discussions Log in to talk about this word.