An 18-Hour City is a term used to describe a smaller urban area that has a vibrant and diverse economy, but is not considered to be a major metropolitan area like New York City or Los Angeles. It is considered to be a “second-tier” city that has seen significant growth and development in recent years. The term “18-Hour City” refers to the idea that these cities have a bustling atmosphere and a wide range of activities and amenities available, making them attractive places to live and work, but not quite as busy as a 24-hour city.

These cities often have a strong economy, with a mix of industries such as healthcare, education, and technology, and are home to a diverse population. They also have a vibrant cultural scene, with a variety of restaurants, bars, and entertainment options.

Examples of 18-Hour Cities include Austin, Texas, Nashville, Tennessee, and Denver, Colorado. These cities have experienced significant growth and development in recent years, and are considered to be attractive places to live and work.

It’s worth noting that the term 18-Hour City is not a strict definition and the hours of activities and amenities can vary between cities. Also, many other smaller cities can also be considered as 18-hour cities, depending on their level of development and the type of activities and amenities available.