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3 o’clock in Korean is 세 시 (se-si) or 3시.
Here’s the breakdown:
- 세 (se) is the number 3 in Sino-Korean.
- 시 (si) means “o’clock” or “hour.”
So, 세 시 literally means “three hours,” or “3 o’clock.”
To say “It’s 3 o’clock” politely, you can say: 세 시예요 (se-si-ye-yo).









