noun, adverb
Refers to the period from morning to evening; often used in contrast with 夜間 (nighttime). Can function as a noun or adverbially.
日中はまだ暑いですが、朝晩は涼しくなりました。
It's still hot during the day, but mornings and evenings have become cooler.
彼は日
He studies in the library all day long.
noun
Japan and China; Sino-Japanese
Used in contexts involving bilateral relations, comparisons, or things related to both Japan and China. Often appears in compounds like 日中関係 (Japan-China relations) or 日中辞典 (Japanese-Chinese dictionary).
日中関係は近年改善の兆しを見せている。
Japan-China relations have shown signs of improvement in recent years.
この日中辞典はとても便利だ。
This Japanese-Chinese dictionary is very useful.