いちじつのちょう· also いちにちのちょう
slight superiority (in knowledge, experience, ability, etc.); being slightly older
Expression, Noun
年としの功こうというのか、彼かれの意見いけんはさすがに一日いちじつの長ちょうがあるね。
Maybe it's his age but his opinions seem a little more grounded in experience than everyone else's.