The document explains different ways to tell time using a clock face. It defines "half past" as when the minute hand is at the 6 and the hour is half between the current and next hour. It also explains that the clock can be divided into 4 equal quarters of 15 minutes each. A quarter after/past is when the minute hand is at the 3, and a quarter to is when it is at the 9. It concludes by defining AM as before noon and PM as after noon, with noon being 12:00 PM and midnight being 12:00 AM.