Alaska Standard Time
Alaska Standard Time definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a standard time used in the zone which includes all of Alas. except the W Aleutian Islands, corresponding to the mean solar time of the 135th meridian west of Greenwich, England: it is nine hours behind Greenwich time
Alaska Standard Time definition by American Heritage Dictionary
noun Abbr. AST
Standard time in the ninth time zone west of Greenwich, England, reckoned at 135°W and used throughout Alaska except for the western Aleutian Islands. Also called Alaska Time.