日にっ間かんにっかんMeanings1noundaytime; during the dayarchaicArchaic noun meaning 'daytime' or 'during the day'. In modern Japanese, 昼間 (ひるま) or 日中 (にっちゅう) are used instead.古こ文ぶんでは「日にっ間かん」と書かいて「にっかん」と読よみ、昼ひるの時じ間かんを指さした。In classical texts, 日間 was read as にっかん and referred to the daytime hours.