1
thirty minutes after the hour
2
one of four periods of 15 minutes that an hour is divided into when you are telling the time
3
earlier than a particular time, event, or action
4
used for saying what time it is when a clock shows the exact hour
5
happening or done up to a particular point in time, and then stopping
6
used in telling the time, for giving the number of minutes past the hour
7
used when telling the time, for saying how many minutes it is before the hour
