Verified answer

6:30 - six thirty

6:40 - six forty

6:50 - six fifty

7:00 - seven o'clock

7:20 - seven twenty

7:40 - seven forty

14:20 - fourteen twenty

15:05 - fifteen oh five

15:20 - fifteen twenty

15:40 - fifteen forty

16:10 - sixteen ten

18:30 - eighteen thirty

19:00 - nineteen hundred

21:00 - twenty-one hundred

21:30 - twenty-one thirty

14:40 - fourteen forty

15:10 - fifteen ten

19:30 - nineteen thirty

20:00 - twenty hundred

22:00 - twenty-two hundred

22:30 - twenty-two thirty

12:30 - twelve thirty

13:15 - thirteen fifteen

17:30 - seventeen thirty