언제

when; at what time

Explanation

1. when; at what time
At some time one does not know.

2. some time; someday
At some time in the future that is not decided.

3. always; all the time
At any time; whenever.

Examples
한국에 언제 왔어요?
우리 언제 만날까요?
언제 고향에 돌아가세요?

7 more sentences in the app — free account.