This is the 122nd most frequent Korean word.
이달
"This month."
Refers to the current month in a descriptive sentence.
이달은 매우 바쁜 달이었어요.
This month has been a very busy month.
Indicates an event occurring within the current month.
이달에 나는 새로운 취미를 시작했어요.
I started a new hobby this month.
Refers to the tasks or plans specifically related to this month.