This is the 6744th most frequent Korean word.
이날까지
"Until this day" or "To this day."
Here, "이날까지" sets a temporal point that serves as the completion limit for an ongoing task, emphasizing readiness by or before the stipulated day.
우리는 이날까지 모든 준비를 끝냈습니다.
We completed all preparations by this day.
In this sentence, "이날까지" delineates a period wherein there was a lack of knowledge that persisted up to and ceased on the specified date, highlighting a change at the conclusion of the period.
이날까지 전혀 알지 못했습니다.
I had no idea until this day.
The word "이날까지" in this sentence specifies a deadline up to which everyone has been expectantly waiting, indicating anticipation or preparation for the specific date.