Как по время 7: 30 8: 30 8: 50 12: 45 2: 00 4: 00 6: 30 7: 30 9: 00? ! (как пишется и говорится? )

7 hours 30 minutes ( a half past seven)

8 hours 30 minutes. ( a half past eight)

8 hours and 50 minutes. ( At ten minutes to nine.)

12 hours and 45 minutes. ( A quarter hour.)

2 hours 0 minutes. ( 2 hours)

4 hours 0 minutes ( 4 hours)

6 hours 30 minutes. ( half past six)

9 Hours 0 minutes. ( 9 hours)