Скажите время по lt is 11.30 , 20.00 , 12.00, 9.10, 8.50 ,17.40, 10.15

11,30 half past eleven
20,00 eight o'clock
12.00  twelve o'clock
9.10 ten past nine
8.50 ten to nine
17.40 twenty to six
10.15 quarter past ten