This document discusses time expressions used for different parts of the day and periods of time. It provides examples of expressions used for mornings, afternoons, evenings, nights, specific days of the week, holidays, and other periodic times. Examples are given for expressions like "in the morning/afternoon/evening", "on Friday/Sunday", "at 8:45 a.m.", "at Christmas/Easter", "next week", "every Friday", and "last Saturday".