An after hours club is a club or venue that is open past the regular curfew hours for clubs that serve alcohol.
After Hours Club
More About After Hours Club
An after hours club does not serve alcohol. It is usually a type of dance club. In some cases, clubs that serve alcohol are granted special licenses or permission to stay open beyond the curfew hours without selling alcohol. Typically, high caffeine beverages and energy drinks are sold at after hours clubs.