# 49 C.F.R. § 71.2 (2026): Annual advancement of standard time

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_2

## Section

- **Citation:** 49 C.F.R. § 71.2 (2026)
- **Heading:** Annual advancement of standard time
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 49 CFR: Transportation / Part 71 / § 71.2: § 71.2   Annual advancement of standard time.

## Text

(a) The Uniform Time Act of 1966 (15 U.S.C. 260a(a)), as amended, requires that the standard time of each State observing Daylight Saving Time shall be advanced 1 hour beginning at 2 a.m. on the second Sunday in March of each year and ending at 2 a.m. on the first Sunday in November. This advanced time shall be the standard time of each zone during such period. The Act authorizes any State to exempt itself from this requirement. States in two or more time zones may exempt either the entire State or may exempt the entire area of the State lying within either time zone. (b) Section 3(b) of the Uniform Time Act of 1966 (15 U.S.C. 260a(b)) provides that “it is the express intent of Congress * * * to supersede any and all laws of the States or political subdivisions thereof insofar as they may now or hereafter provide for advances in time or changeover dates different from those specified in [section 3(a) of that Act]”, which are those specified in paragraph (a) of this section. [Amdt. 71-11, 35 FR 12318, Aug. 1, 1970, as amended by Amdt. 71-21, 52 FR 41631, Nov. 18, 1986; 78 FR 15885, Mar. 13, 2013]

## Nearby sections

- [49 C.F.R. § 71.1 (2026) § 71.1   Limits defined; exceptions authorized for certain rail operating purposes only.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_1.md)
- [49 C.F.R. § 71.2 (2026) § 71.2   Annual advancement of standard time.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_2.md)
- [49 C.F.R. § 71.3 (2026) § 71.3   Atlantic zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_3.md)
- [49 C.F.R. § 71.4 (2026) § 71.4   Eastern zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_4.md)
- [49 C.F.R. § 71.5 (2026) § 71.5   Boundary line between eastern and central zones.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_5.md)
- [49 C.F.R. § 71.6 (2026) § 71.6   Central zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_6.md)
- [49 C.F.R. § 71.7 (2026) § 71.7   Boundary line between central and mountain zones.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_7.md)
- [49 C.F.R. § 71.8 (2026) § 71.8   Mountain zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_8.md)
- [49 C.F.R. § 71.9 (2026) § 71.9   Boundary line between mountain and Pacific zones.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_9.md)
- [49 C.F.R. § 71.10 (2026) § 71.10   Pacific zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_10.md)
- [49 C.F.R. § 71.11 (2026) § 71.11   Alaska zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_11.md)
- [49 C.F.R. § 71.12 (2026) § 71.12   Hawaii-Aleutian zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_12.md)
- [49 C.F.R. § 71.13 (2026) § 71.13   Samoa zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_13.md)
- [49 C.F.R. § 71.14 (2026) § 71.14   Chamorro Zone.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_14.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T49_P71_S71_2. Check the current official text before relying on it. Not legal advice.