N4 — outside your level filter
Modifies the end of the sentence directly and takes no だ／です, so there are no forms to conjugate.
一日中
ichinichijuuall day longN4adverb
Example sentences2
今日は一日中雨でした。
kyou wa ichinichijuu ame deshita.
Today it rained all day long. neutral
一日中ゲームしてた、ちょっと反省してる。
ichinichijuu geemu shiteta, chotto hansei shiteru.
I played games all day long — I'm feeling a bit guilty about it. casual