1. Explanation

• On time = “시간 딱 맞게, 늦지 않게”

  Used when something happens at the exact scheduled or expected time. No delay.

• In time = “시간 전에, 여유 있게”

  Means early enough to do something, or before it is too late. Not exact, but within a useful/needed time frame.

2. Examples

On time

• The train left on time at 9:00.
• She always arrives on time for meetings.
• If you don’t pay your bills on time, you get a fee.

In time

• I arrived in time to buy a coffee before the movie.
• Luckily, the ambulance came just in time.
• We finished the project in time for the deadline.

3. Practice

Part A – Multiple Choice

1. The bus left exactly at 8:30. It was ___.
   • A) in time
   • B) on time
2. I woke up late, but I arrived at school just ___ for class.
   • A) in time
   • B) on time
3. You must submit your tax forms ___ or you’ll be fined.
   • A) in time
   • B) on time