104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 SB1600 Introduced 2/4/2025, by Sen. Jil Tracy SYNOPSIS AS INTRODUCED: 5 ILCS 440/1 from Ch. 1, par. 3201 Amends the Time Standardization Act. Provides that daylight saving time shall be the year-round standard time of the entire State. Makes other changes. Effective January 1, 2026. LRB104 05176 BDA 15205 b A BILL FOR 104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 SB1600 Introduced 2/4/2025, by Sen. Jil Tracy SYNOPSIS AS INTRODUCED: 5 ILCS 440/1 from Ch. 1, par. 3201 5 ILCS 440/1 from Ch. 1, par. 3201 Amends the Time Standardization Act. Provides that daylight saving time shall be the year-round standard time of the entire State. Makes other changes. Effective January 1, 2026. LRB104 05176 BDA 15205 b LRB104 05176 BDA 15205 b A BILL FOR
104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 SB1600 Introduced 2/4/2025, by Sen. Jil Tracy SYNOPSIS AS INTRODUCED:
5 ILCS 440/1 from Ch. 1, par. 3201 5 ILCS 440/1 from Ch. 1, par. 3201
5 ILCS 440/1 from Ch. 1, par. 3201
Amends the Time Standardization Act. Provides that daylight saving time shall be the year-round standard time of the entire State. Makes other changes. Effective January 1, 2026.
LRB104 05176 BDA 15205 b LRB104 05176 BDA 15205 b
LRB104 05176 BDA 15205 b
A BILL FOR
SB1600LRB104 05176 BDA 15205 b SB1600 LRB104 05176 BDA 15205 b
SB1600 LRB104 05176 BDA 15205 b
1 AN ACT concerning government.
2 Be it enacted by the People of the State of Illinois,
3 represented in the General Assembly:
4 Section 5. The Time Standardization Act is amended by
5 changing Section 1 as follows:
6 (5 ILCS 440/1) (from Ch. 1, par. 3201)
7 Sec. 1. Notwithstanding how time is advanced pursuant to
8 the federal Uniform Time Act of 1966, 15 U.S.C. 260a, at At two
9 o'clock ante meridian of the second Sunday in March of 2026
10 each year, the standard time in this State shall be advanced
11 one hour; and thereafter, daylight saving time shall be the
12 year-round standard time of the entire State , and at two
13 o'clock ante meridian of the first Sunday in November of each
14 year the standard time in this State shall, by the retarding of
15 one hour, be made to coincide with the mean astronomical time
16 of the ninety degrees of longitude West from Greenwich, the
17 standard official time of which is described as United States
18 standard central time, so that between the second Sunday of
19 March at two o'clock ante meridian in each year and the first
20 Sunday in November at two o'clock ante meridian in each year
21 the standard time in this State shall be one hour in advance of
22 the United States standard central time: Provided, however,
23 that nothing in this Act shall be so construed as to be in
104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 SB1600 Introduced 2/4/2025, by Sen. Jil Tracy SYNOPSIS AS INTRODUCED:
5 ILCS 440/1 from Ch. 1, par. 3201 5 ILCS 440/1 from Ch. 1, par. 3201
5 ILCS 440/1 from Ch. 1, par. 3201
Amends the Time Standardization Act. Provides that daylight saving time shall be the year-round standard time of the entire State. Makes other changes. Effective January 1, 2026.
LRB104 05176 BDA 15205 b LRB104 05176 BDA 15205 b
LRB104 05176 BDA 15205 b
A BILL FOR
5 ILCS 440/1 from Ch. 1, par. 3201
LRB104 05176 BDA 15205 b
SB1600 LRB104 05176 BDA 15205 b
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1 contravention of any federal law or authorized order of the
2 Interstate Commerce Commission with respect to the time zones
3 of the United States. And in all laws, statutes, orders,
4 judgments, rules and regulations relating to the time of
5 performance of any act of any officer or department of this
6 State, or of any county, township, city or town, municipal
7 corporation, agency or instrumentality of the State, or school
8 district or school authority or relating to the time in which
9 any rights shall accrue or determine, or within which any act
10 shall or shall not be performed by any person subject to the
11 jurisdiction of the State, and in all the public schools and in
12 all institutions of the State, or of any county, township,
13 city or town, municipal corporation, agency or instrumentality
14 of the State or school district or school authority, and in all
15 contracts or choses in action made or to be performed in the
16 State, it shall be understood and intended that the time shall
17 be the time prescribed in this Section.
18 If the date on which time is to be advanced one hour, the
19 date on which time is to be retarded one hour, or both, as set
20 forth under Section 260a of the federal Uniform Time Act of
21 1966 (15 U.S.C. 260a), as now or hereafter amended,
22 renumbered, or succeeded, differs from either or both of those
23 dates as set forth under this Section, then the dates set forth
24 under the federal law shall control and shall apply in
25 Illinois, notwithstanding the dates set forth in this Section.
26 (Source: P.A. 95-725, eff. 6-30-08.)
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