When to use afternoon in Korean
Korean: 오후[ o-hu ]

When to use it
'Afternoon' means the time of day after lunch and before evening. In Korean, 오후 is used when talking about time, plans, and weather in that part of the day. You can also use it with a clock time, like '3 p.m.'
Example sentences
오후에는 비가 와요.
It rains in the afternoon.
오늘 오후는 아주 더워요.
This afternoon is very hot.
오후 세 시에 친구를 만나요.
I meet my friend at 3 p.m.
오후에 학교에서 공부해요.
I study at school in the afternoon.
오후에 우산을 사요.
I buy an umbrella in the afternoon.
우리는 오후에 부산에 도착해요.
We arrive in Busan in the afternoon.