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HB0039
HB0039: Permanent Daylight Saving Time
Last scannedAug 24, 2026, 10:00 AM
In one sentence
This bill amends the Time Standardization Act to make daylight saving time the year-round standard for Illinois, starting March 2026.
What it does
- Amends Section 1 of the Time Standardization Act (5 ILCS 440/1).
- Sets a start date at 2:00 AM on the second Sunday in March 2026 to advance clocks one hour.
- Establishes daylight saving time as the year-round standard for the entire state after that date.
- States that federal law controls if its dates differ from those listed in this bill.
- Applies the new time standard to all state agencies, local governments, schools, and legal contracts.
Who it affects
- All residents of the State of Illinois
- State government departments and officers
- Public schools and school districts within the state
- Cities, towns, counties, and other local governments
Limits and unknowns
- This bill cannot override any federal laws or authorized orders regarding U.S. time zones.
- If dates in this bill differ from future changes to the federal Uniform Time Act, the federal dates will apply instead.
- The effective date is upon becoming law, but final status depends on executive action not shown here.
Plain language
Terms to know
- Daylight Saving Time
- The time standard that is one hour in advance of United States Standard Central Time.
- Standard Central Time
- The official time zone based on the mean astronomical time of 90 degrees longitude west from Greenwich.
Official record
Sources
Official summary
PERMANENT DAYLIGHT SAVING TIME