In May, the House Energy and Commerce Committee voted 48-1 in favor of the Sunshine Protection Act. The U.S. Senate voted unanimously in March 2022 to make daylight saving time permanent but the House never took up the measure in the face of opposition. The proposal the House will consider next week would allow states to opt out.
It used to be that towns would set their clocks so solar noon was noon. When time zones are invented they picked one place and that was the standard. I remember reading somewhere once that mountain time was defined as solar union at Denver Union Station because the most important function of time zones is railroad scheduling at the time when the first American time zones were defined