Hawaii–Aleutian Time Zone Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST), by subtracting ten hours from Coordinated Universal Time (). The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory. The zone takes its name from the two areas it includes: Hawaii and the portion of Alaska's Aleutian Islands west of 169° 30′ W longitude. During daylight saving time, the Alaskan portion observes Hawaii–Aleutian Daylight Time (HDT, ), while Hawaii stays on standard time. From 1900 until 1947, GMT−10:30 was used as standard time in Hawaii. French
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