The most common Korean word for “daytime” is 낮 (nat). 「daytime」는 한국어로 낮.
Learn 낮 free — flashcards, audio and review →「낮」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato