When to use old times in Korean
Korean: 옛날[ yes-nal ]

When to use it
(옛날) means "old times" or "long ago." You use it to talk about the past, like old stories, old homes, or how people lived before. It often appears as "long ago" in simple everyday sentences.
Example sentences
옛날 집은 마당이 넓었어요.
Homes in the old days had big yards.
할머니가 옛날 이야기를 해 주세요.
Grandma tells us old stories.
학교에서 옛날 사진을 봤어요.
I saw old photos at school.
이 길은 옛날에 시장이었어요.
This road was a market long ago.
우리는 여행에서 옛날 성을 봤어요.
We saw an old castle on our trip.
아빠는 옛날 음악을 좋아해요.
Dad likes old music.