The term COMMON DINNER HOUR is often used to refer to the time of day when people typically eat dinner. This phrase is usually used to describe the time of day when most people in a given area or culture eat their evening meal. In the United States, the common dinner hour is typically between 6 and 8 pm. The crossword solutions for this term are SIX, which is a reference to the number of hours in the evening that are typically considered the common dinner hour.