Как правильно на написать время: 5: 15,5: 30, 5: 45,8: 00,8: 15,8: 30,8: 45,9: 00, 1: 30, 1: 45?

1)It's quarter past five.
2)It's half past five.
3)It's quarter to six.
4)It's eight o'clock.
5)It's quarter past eight.
6) It's half past eight.
7)It's quarter to nine.
8)It's nine o'clock.
9)It's half past one.
10)It's quarter to two.