1) A: Excuse me, what time is it by your watch?
B: 17:05. I'm afraid my watch is 5 minutes ahead of time.
2) A: We are late for class.
B: No, now it's only 15:20.
A: Well, let's go to the lecture room.
3) A: We are late for the lecture. It's already 16:40.
B: Let's go faster or the teacher will not let us attend.
4) A: It's now 20:30. I'm afraid we'll be half an hour late for dinner. "
B: Right, let's hurry.
5) A: Your watch is 5 minutes behind.
B: I don't think so. I think it is right.
6) A: Now it's 10 to 9 am by my watch. Is my watch right?
B: No it is 10 minutes behind, now it is exactly 9.
7) He asks if she was free in an hour and a half.
Okay, call me exactly at 7 and arrange a meeting in half an hour.
8) And for how many minutes is it they ahead of time?
Then we will not be late for the lecture.
I'm too hungry to wait for the end of the lecture.
9) And what time is it?
Then they are already at home. They are always at home after 17:30.