No, they are not. On the state level, they have to at least mirror alcohol, which I believe means they have to close at 10 p.m., but cities have decided to change those hours to.... That's the ceiling. They can go to 8 p.m., 6 p.m., and so on. In Denver, for a long time it was 6 p.m., and then it moved to 9 p.m., I believe.
On September 12th, 2017. See this statement in context.