what time is it? 13:30,15:00,19:15,11:45,09:15.

13:30 - It is half past one or it is half to two.

15:00 - It is three o\'clock.

19:15 - It is quarter past seven.

11:45 - It is quarter to twelve.

09:15 - It is quarter past nine.

Или

13:30 - It is one thirty.

19:15 - It is seven fifteen.

11:45 - It is eleven forty five.

09:15 - It is nine fifteen.