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

11,30 half past eleven20,00 eight o'clock12.00  twelve o'clock9.10 ten past nine8.50 ten to nine17.40 twenty to six10.15 quarter past ten