| State | Legislation for permanent standard time | Legislation for permanent DST | Notes |
| Alabama | No attempt | Success | |
| Alaska | Failure | Failure | |
| American Samoa | Success | No attempt | |
| Arizona | Success | No attempt | Has observed permanent standard time since 1968; see also Time in Arizona. (A.R.S. § 1-242, in effect since January 1, 1969) |
| Arkansas | Failure | Failure | One bill for permanent standard time, two for permanent DST. |
| California | Pending | Failure | In 2018, Proposition 7 passed, allowing the state legislature to change the periods of DST through another bill. Subsequent bills for permanent DST failed in 2020 and 2022. In 2023, a bill was proposed that would establish permanent standard time. |
| Colorado | Failure | Partial success | Requires at least four other states in the Mountain Time Zone pass laws to adopt permanent DST. |
| Connecticut | Failure | Failure | |
| Delaware | No attempt | Partial success | Establishes permanent Atlantic Standard Time. Requires Pennsylvania, New Jersey and Maryland to do the same. |
| District of Columbia | No attempt | No attempt | |
| Florida | No attempt | Success | |
| Georgia | Failure | Success (OCGA § 50-1-10) | Two simultaneous bills were introduced in 2021. One for permanent standard time, the other for permanent DST. |
| Guam | Success | No attempt | |
| Hawaii | Success | No attempt | Has observed permanent standard time since 1967; see also Time in Hawaii.(H.R.S. §1-31, in effect since March 30, 1967) |
| Idaho | Failure | Partial success | If Washington implements permanent daylight saving time, the northern part of the state in Pacific Time will follow. A bill to do the same for the part of the state in Mountain Time if Utah implements permanent daylight saving time has not passed. |
| Illinois | Failure | Pending | |
| Indiana | No attempt | No attempt | |
| Iowa | Failure | Failure | |
| Kansas | Pending | Failure | |
| Kentucky | No attempt | Failure | |
| Louisiana | No attempt | Success | |
| Maine | Pending | Partial success | Requires all states in the eastern time zone, and the District of Columbia, to do the same. |
| Maryland | No attempt | Failure | |
| Massachusetts | Pending | Pending | Establishes Atlantic Standard Time in substitute for permanent DST or permanent standard time. |
| Michigan | No attempt | Pending | Requires Wisconsin, Illinois, Indiana, Ohio, and Pennsylvania to observe daylight saving time year-round. |
| Minnesota | Pending | Success | |
| Mississippi | Failure | Success | |
| Missouri | Failure | Failure | |
| Montana | Failure | Partial success | Requires at least three of the states of Idaho, North Dakota, South Dakota, Utah, and Wyoming to go on permanent DST. |
| Nebraska | Failure | Failure | |
| Nevada | Failure | No attempt | |
| New Hampshire | No attempt | Failure | |
| New Jersey | No attempt | Pending | |
| New Mexico | Failure | Failure | |
| New York | Pending | Pending | Bills for permanent DST, Atlantic Time, or permanent standard time. |
| North Carolina | No attempt | Pending | |
| North Dakota | Failure | No attempt | |
| Northern Mariana Islands | Success | No attempt | |
| Ohio | Failure | Pending | |
| Oklahoma | Failure | Success | |
| Oregon | Failure (2024) | Partial success | Requires participation of California and Washington. Bill for permanent standard time failed in early 2024. |
| Pennsylvania | Pending | Pending | |
| Puerto Rico | Success | No attempt | |
| Rhode Island | No attempt | No attempt | |
| South Carolina | No attempt | Success | |
| South Dakota | No attempt | No attempt | |
| Tennessee | Pending | Success | |
| Texas | Failure | Failure | |
| Virgin Islands | Success | No attempt | |
