как будет по английски 8:30 , 10:10, 23:35 ,17:17 ,02:03 ,21:00

Half past eight, ten past ten, twenty five to twelve, seventeen past seventeen, three past two, nine o'clock, twenty - seven past seven, twenry past three, guarter to eleven, sixteen past one, ten to seven, half past five, three to ten, twelve o'clock.