Many border cities observe the timezone of the closest major metro, even if they are supposed to be on the same time as the rest of the state. West Wendover, N

Many border cities observe the timezone of the closest major metro, even if they are supposed to be on the same time as the rest of the state. West Wendover, NV (for instance) follows Mountain Time to synchronize with nearby Salt Lake City. So far as I know, they never asked for federal permission.