This document provides information about telling time in English. It explains how to say times when they are on the hour using "o'clock" and times that are past or before the hour using "past" or "to". It also discusses saying times like "half past" for 30 minutes and "quarter past/to" for 15 minutes. The document notes different styles for writing times, such as using a.m./p.m., am/pm, or A.M./P.M. and separators like dots or colons. It includes a webgraphy section with links for further information.