Alaska Time Zone to 1967 refer to this zone as Central Alaska Standard Time (CAT) or as Alaska Standard Time (AST). In 1966, the Uniform Time Act renamed the UTC−10 zone to Alaska-Hawaii Standard Time (AHST), effective April 1, 1967. This zone was renamed in 1983 to Hawaii-Aleutian Standard Time when the majority of Alaska was moved out of the zone. Prior to 1983, the current Alaska Time Zone (UTC−9) was known as the Yukon Time Zone, observing Yukon Standard Time (YST). This time zone included Canada's Yukon Territory and a small portion of Alaska including Yakutat. The Alaska Panhandle communities were in
Standard Insurance Center Standard Insurance Center The Standard Insurance Center, originally the Georgia-Pacific Building, is a 27-story office building in Portland, Oregon. Completed in 1970, it currently serves as part of the headquarters of The Standard, the brand name under which Standard Insurance Company and other subsidiaries of StanCorp Financial Group, Inc., do business. Standard also owns the 16-story Standard Plaza, located two blocks south along 5th Avenue. The Georgia-Pacific Building was commissioned by Georgia-Pacific and designed by the firm of Skidmore, Owings & Merrill (SOM). At the time of construction, it was the tallest reinforced concrete building in the world. It was