What time do the lights go out?

The phrase "the lights go out" can refer to various contexts, such as a specific event, a power outage, or a metaphorical expression. If you're referring to a particular event, like a concert or a show, it typically depends on the schedule provided by the organizers. In the case of power outages, it varies depending on the circumstances and location. If you have a specific context in mind, please provide more details for a more accurate answer.