It's a quarter to twelve.
It's a quarter past one.
It's at quarter to three.
It's five past four.
It's eleven forty.
It is twenty past four.
It's a quarter past twelve.
It's a quarter to two.
It's five to two.
It's five fifty.
It's five to eleven.
It's twenty-five past one.
It's twenty to seven.
It's twenty-five to eleven.
It's half past eight.