"머리하기로 한게 무슨 요일이야?" 라는 의미로 2개의 문장이 나오는 거 같은데 맞는지 모르겠네요.
What day is your appointment to get a haircut?
What day do you have an appointment to get a haircut?
"친구랑 놀러가기로 한게 무슨 요일이야?"
What day is your hanging out with your friends?
What day do you hang out with your friends?