When to use Monday in Korean
Korean: 월요일[ wol-yo-il ]

When to use it
Monday is a day of the week. In Korean, 월요일 means Monday, and you use it when you talk about plans, school, work, or things you do at home on that day. You can often use it with words like "on" or "this" in English.
Example sentences
집에서 월요일 아침에 청소해요.
I clean the house on Monday morning.
월요일에 학교에 가요.
I go to school on Monday.
월요일에는 공원에서 친구를 만나요.
I meet a friend at the park on Monday.
"월요일에 시간 있어요?" "네, 있어요."
"Do you have time on Monday?" "Yes, I do."
월요일에 마트에서 우유를 사요.
I buy milk at the supermarket on Monday.
우리는 월요일에 부산으로 떠나요.
We leave for Busan on Monday.