Yukon Time Zone clocks ahead yet another hour on October 30, 1983 to adopt Alaska Standard Time (the former Yukon Standard Time), effectively changing their standard time zone by two hours. Most of the Aleutian Islands moved from the Bering Time Zone (UTC-11) to the Hawaii-Aleutian Standard Time Zone (UTC-10) (until 1983 known as the Alaska-Hawaii Standard Time Zone). Yukon Time Zone The Yukon Time Zone was a time zone that kept standard time; Yukon Standard Time (YST) was obtained by subtracting nine hours from Coordinated Universal Time (UTC) resulting in UTC−9. Yukon Daylight Time (YDT) when observed was eight hours behind UTC.
Standard Air Lines rail link at El Paso, Texas, to carry passengers farther east by train. This was the first regular transcontinental rail and air passenger to and from California. Standard Air Lines began business as a three-times a week passenger and express service between Los Angeles, Phoenix and Tucson. The initial fleet consisted of two Fokker airplanes (NC7713 and NC8011) and seven OX5-powered Eaglerock airplanes. Standard carried 61 passengers during it first month of operations in December 1927. Initially, aircraft left Los Angeles on Monday, Wednesday and Friday at 10:00 AM Pacific Time (PT), arrived in Phoenix at 3:30 PM Mountain Time