-에

The particle -에 is used to indicate place, time, or direction. It is similar to “at,” “in,” “to,” or “on” in English, depending on the context.

Uses of -에:

Indicating Location (“at/in”)
학교에 있어요. → “I am at school.”
방에 들어갔어요. → “I went into the room.”

Indicating Time (“on/at”)
저는 3시에 도착할 거예요. → “I will arrive at 3 o’clock.”
월요일에 만나요. → “Let’s meet on Monday.”

Indicating Direction (“to”)
집에 가요. → “I am going home.”
회사에 출근해요. → “I go to work.”

Comparison with -에서:
-에 marks location (where something is or happens).
-에서 marks where an action takes place.

Example:

집에 있어요. → “I am at home.” (Static location)
집에서 공부해요. → “I study at home.” (Action happening at home)