In the last four years, 18 states have enacted legislation or passed resolutions to provide for year-round daylight saving time, if Congress were to allow such a change,The 18 states are Alabama, Georgia, Minnesota, Mississippi and Montana (2021). Idaho, Louisiana, Ohio (resolution), South Carolina, Utah and Wyoming (2020). Delaware, Maine, Oregon, Tennessee and Washington (2019). Florida (2018; California voters also authorized such a change that year, but legislative action is pending). Some states have commissioned studies on the topic including Massachusetts (2017) and Maine (2021). - https://www.ncsl.org/research/transportation/daylight-savings-time-state-legislation.aspx
They don’t need Congress to permit anything. Arizona is not on daylight savings time, how did they get away with it?