Chulmoon shares a few phrases since he knows I am studying about time.
How about this? 이것은 어때?
Early morning : 이른 아침
이른 means little bit early than normal.
Basic verbal form is 이르다.
이른 is adjective form as you know about 'ㄴ'.
Late evening : 늦은 저녁
늦은 is little bit late than normal.
Basic verbal form is 늦다.
늦은 is adjective form as above is.
11 years ago