the difference 방금 vs 이제

Adverb 방금 : a moment ago(right before now)
방금 used in past tense
방금 일어났어요./깼어요.
- I just woke up(right before now)/I just woke up(right before now).
방금 먹었어요.
- I just ate(right before now).
방금 회사에 도착했어요.
- I just arrived at work(right before now).
방금 뭐라고 했어요.
- What did you just say(right before now)?
방금 뭐였어요?
- What was that just now(right before now)?
Adverb 이제 : from now on(right after now)
이제 used in present/future tense
이제 그만 울어요.
- Stop crying now(from now on).
이제 집에 갈 거예요.
- I'm going home now(from now on).
이제 다음 드라마를 볼 거예요.
- Now(from now on) I'm going to watch the next drama.
이제 혼자가 아니에요.
- Now(from now on) I'm not alone.
이제 지하철로 출근할 거예요.
- Now(from now on) I'm going to work by subway.