一日三秋 Traditional form: 一日三秋 Pinyin (reading): yīrìsānqiū Definitions: a single day apart seems like three seasons (idiom) Characters: 一 - one; a, an; alone 日 - sun; day; daytime 三 - three 秋 - autumn, fall; year Traditional characters: 一 - one; a, an; alone 日 - sun; day; daytime 三 - three 秋 - autumn, fall; year