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.
今日中に
kyoujuuniby the end of todayN4adverb
Example sentences2
今日中に返事をいただけますか。
kyoujuu ni henji o itadakemasu ka.
Could I get a reply by the end of today? formal
これ、今日中に終わらせないとやばい。
kore, kyoujuu ni owarasenai to yabai.
I've got to finish this by end of day or it's bad news. casual