3:30 it is half past three.
11:45 it is a quarter to twelve.
3:15 it is a quarter past three.
13:30 it is half past one.
5:45 it is a quarter to six.
8:45 it is a quarter to nine.
5:15 it is a quarter past five.
9:30 it is half past nine.
5:30 it is half past five.
10:15 it is a quarter past ten.
7:15 it is aquarter past seven.