The competitor down the street with three years in business could not be happier that you gave it away. No matter how much information you put in an ad, make sure that when you stand back and look at your ad you can tell what is going on. In one glance, very quickly, in less than a few seconds. No, but prospects will. And, furniture prospects stay in the market longer than small-ticket prospects.
People procrastinate on larger-ticket discretionary purchases.
For example, when real wear begins to show on a sofa it usually takes three years before a customer makes the new sofa purchase. Days of the week, dates and hours are requisite. No, everyone does not know this, no more than you know the hours of the beauty shop down the street. If you are open evenings for the convenience of the customers, tell them. Make the days and hours of your event look important.