9'00 = nine o'clock
9'05 = five past nine
9'10 = ten past nine
9'15 = a quarter past nine
9'20 = twenty past nine
9'25 = twenty-five past nine
9'30 = half past nine
9'35 = twenty-five to ten
9'40 = twenty to ten
9'45 = a quarter to ten
9'50 = ten to ten
9'55 = five to ten