월요일 (Wol-yo-il) → Monday
Wol-yo-il (월요일) has a literal meaning of "Moon Day". It means "Monday" and parallels the origin of the word Monday in English, which comes from the Anglo-Saxon word "Mondandaeg", also meaning "The Moon's Day".
화요일 (Hwa-yo-il) → Tuesday
Days from Tuesday to Saturday in Korean are named after the five elements in East Asian traditions, starting from fire, water, wood, gold, and earth. Hwa-yo-il (화요일) in Korean means "Fire Day" and it refers to "Tuesday".
수요일 (Su-yo-il) → Wednesday
Su-yo-il (수요일) literally means "Water Day". It refers to "Wednesday".
목요일 (Mok-yo-il) → Thursday
Mok-yo-il (목요일) is "Wood Day", and it means "Thursday".
금요일 (Geum-yo-il) → Friday
Geum-yo-il (금요일) is "Gold Day". It means "Friday".
토요일 (To-yo-il) → Saturday
To-yo-il (토요일) means "Earth Day". It refers to "Saturday".
일요일 (Il-yo-il) → Sunday
Il-yo-il (월요일) literally means "Sun Day". It has a directly observable parallel to the origin of the word Sunday in English, which is influenced by Hellenistic astrology where Sunday is "The Day of the Sun".