Ответ:

13:30 - It's half past thirteen

15:45 - It's quarter to sixteen

11:30 - It's half past eleven

12:45 - It's quarter to thirteen

09:15 - It's quarter past nine

Ответ:

13:30. It is half past 1

15:45. It is quarter to 4

11:30. It is half 11

12:45. It is quarter to 1

09:15. It is quarter past 9