1:10 - It is ten past one.

2:15 - It is a quarter past two.

3:20 - It is twenty past three.

4:25 - It is twenty-five past four.

5:30 - It is half past five.

6:35 - It is twenty-five to seven.

7:40 - It is twenty to eight.

8:45 - It is a quarter to nine.

9:50 - It is ten to ten.

10:55 - It is five to eleven.