It's (a) quarter past nine.
It's (a) quarter to eleven.
It's two o'clock.
It's five to twelve.
It's eleven past eleven.
It's twenty past eight.
It's half past seven.
It's twenty-two to one.
It's ten to two.
It's half past three.
It's four o'clock.
It's half past two.
It's (a) quarter to six.
