October 11, 2025, U.S.A., "19 states have enacted legislation to provide for year-round Daylight Saving Time", NCSL & AI
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"19 states have enacted legislation to provide for year-round Daylight Saving Time"
State legislatures have considered over 750 bills and resolutions in recent years to establish year-round Daylight Saving Time as soon as Federal Law allows it.
As of October 2025, 19 states have enacted legislation to provide for year-round Daylight Saving Time, but these changes can only take effect if Congress
amends federal law to allow it.
The states that have passed such legislation are
Texas (2025); Oklahoma (2024); Colorado (2022);
Alabama, Georgia, Minnesota, Mississippi and Montana (2021);
Idaho (Pacific time zone only), Louisiana, South Carolina, Utah and Wyoming (2020);
Delaware, Maine, Oregon (Pacific time zone only), Tennessee and Washington (2019); and Florida (2018).
Resolutions passed by a single chamber in Kentucky (2022) and Ohio (2020) in prior years have been removed from the NCSL count.
California voters approved Proposition 7 in 2018, requiring a two-thirds vote by the legislature to either enact year-round DST or
permanent standard time, but no legislative action has occurred since then.
As well, some states have commissioned studies on the topic including Massachusetts (2017) and Maine (2021).
Federal law is the obstacle: The Uniform Time Act of 1966 established a system for daylight saving time that states cannot override on their own, so federal action is required for any state to permanently observe daylight saving time.
State-level action is conditional: The enacted state laws are conditional on Congress changing federal law and, in some cases, on neighboring states also passing similar legislation.
Examples of conditional legislation: For example, Florida's 2018 law to observe year-round DST was contingent on federal approval, and Wyoming passed a similar measure in 2020 stating it would switch if three nearby states did so.
Other states have considered it: Many other states have introduced or considered similar legislation, but the 19 listed above are the ones that have successfully enacted it.
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