✅ 시간(time) 전치사 3대장: at, on, in

✅ 시간 전치사 3대장: at, on, in

🔹 1. at — 특정한 시각, 짧은 순간

의미	예문
정확한 시각	at 7 o’clock, at 3:15
하루의 특정 시점	at noon (정오), at night (밤), at midnight (자정)
특정 행사 시점	at Christmas, at New Year

예문:

• I usually wake up at 6 a.m.
• The class ends at noon.
• He was born at Christmas.

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🔹 2. on — 특정 날짜, 요일, ‘~날’로 끝나는 표현

의미	예문
요일	on Monday, on Friday
날짜	on April 20th, on July 4th
‘~날’로 끝나는 표현	on Christmas Day, on my birthday, on New Year’s Day
특정 요일의 아침/오후 등	on Sunday morning, on Monday evening

예문:

• She has a meeting on Tuesday.
• I was born on June 5th.
• We had a party on New Year’s Day.
• He left on Sunday morning.

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🔹 3. in — 비교적 긴 시간 단위

의미	예문
월/계절/연도	in April, in summer, in 2025
오전/오후/저녁	in the morning, in the afternoon, in the evening
일정 시간 안에	in 10 minutes, in an hour

예문:

• We will travel in May.
• I was born in 1998.
• She studies in the afternoon.
• He’ll be here in 30 minutes.

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🧠 at / on / in 차이 정리

시간 표현	전치사	예문
6:00, 10 p.m.	at	at 6 o’clock
Monday, Christmas Day	on	on Monday
June, summer, 2023	in	in June

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✅ 그 외의 시간 관련 전치사들

🔸 before (~전에)

• I finished the project before lunch.
• He arrived before 8 a.m.

🔸 after (~후에)

• She called me after dinner.
• Let's meet after the show.

🔸 by (~까지) → "그 시간 전에 끝내야 한다"

• Please come by 9 a.m.
• I will finish it by tomorrow.

🔸 until / till (~까지 계속) → "그 시간까지 계속되는 상태"

• I will stay until 10 p.m.
• The store is open till midnight.

🔸 during (~동안에) → 특정 기간 안에 어떤 일이 벌어짐

• I studied during the weekend.
• She was sick during the summer.

🔸 for (~동안) → 기간의 길이 (몇 시간, 며칠)

• I slept for 8 hours.
• They stayed for two weeks.

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📚 예문 더 보기!

문장	설명
I go to bed at 10 p.m.	정확한 시각
We have a holiday on December 25th.	특정 날짜
He was born in 2000.	연도
I’ll finish it by Friday.	그 전까지 완료
We watched a movie after lunch.	식사 이후
She stayed for three days.	기간의 길이
He studied during the night.	기간 중 어떤 순간