This is the 5200th most frequent Korean word.
다음날인
"The next day."
In this sentence, "다음날인" is used to specify that the referenced day (Monday) is the next day.
약속은 다음날인 월요일로 변경되었습니다.
The appointment was changed to Monday, the next day.
Here, "다음날인" introduces Tuesday as the subsequent day in the timeline.
다음날인 화요일에 우리는 그 장소를 방문했어요.
On Tuesday, the next day, we visited that place.
"다음날인" is used in this context to link Wednesday to being the subsequent day in conversation.