§ 263.
The standard time of the first zone shall be known and designated as Atlantic standard time; that of the second zone shall be known and designated as eastern standard time; that of the third zone shall be known and designated as central standard time; that of the fourth zone shall be known and designated as mountain standard time; that of the fifth zone shall be known and designated as Pacific standard time; that of the sixth zone shall be known and designated as Alaska standard time; that of the seventh zone shall be known and designated as Hawaii-Aleutian standard time; that of the eighth zone shall be known and designated as Samoa standard time; and that of the ninth zone shall be known as Chamorro standard time.
([Mar. 19, 1918, ch. 24, § 4], [40 Stat. 451]; [Pub. L. 89–387, § 4(c)], Apr. 13, 1966, [80 Stat. 108]; [Pub. L. 98–181, title II, § 2003(a)], Nov. 30, 1983, [97 Stat. 1297]; [Pub. L. 106–564, § 1(b)], Dec. 23, 2000, [114 Stat. 2811].)