What makes for a good happy hour? Is it a matter of timing — the longer and more frequent the better? The diversity of options for food as well as drink? The quality of those options? The answer, of course, is that any and all of the above are legit criteria. Mapped from north to south, each of the following 20 spots meets one or more of them; most importantly, they do it with their own irresistible style, whether they’re old champs or newer contenders, upscale destinations or neighborhood hangouts. Here now, the best happy hour deals in Denver.