49 C.F.R. § 71.12 Hawaii-Aleutian zone.
Title 49 - Transportation
The seventh zone, the Hawaii-Aleutian standard time zone, includes the entire State of Hawaii and, in the State of Alaska, that part of the Aleutian Islands that is west of 169 degrees 30 minutes west longitude. (Act of March 19, 1918, as amended by the Uniform Time Act of 1966 and Pub. L. 97–449, 15 U.S.C. 260–264; 49 CFR 1.59(a)). [Amdt. 71–19, 48 FR 43281, Sept. 22, 1983, as amended by Amdt. 71–20, 48 FR 55289, Dec. 12, 1983]
Title 49: Transportation
PART 71—STANDARD TIME ZONE BOUNDARIES
§ 71.12 Hawaii-Aleutian zone.