States can opt-out of DST, as a few have done, but cannot choose permanent DST (assuming the relevant federal law would be deemed valid/constitutional). https:

States can opt-out of DST, as a few have done, but cannot choose permanent DST (assuming the relevant federal law would be deemed valid/constitutional). https://www.kgw.com/article/news/nation-world/daylight-saving-time-permanent-where-all-50-states-stand/507-76c26507-2847-434e-b6c1-7eb4b740704a https://www.kgw.com/article/news/nation-world/daylight-savin...