| Noun | 1. | standard time - the official time in a local region (adjusted for location around the Earth); established by law or customtime - the continuum of experience in which events pass from the future through the present to the past Atlantic Standard Time, Atlantic Time - standard time in the 4th time zone west of Greenwich, reckoned at the 60th meridian; used in Puerto Rico and the Virgin Islands and Bermuda and the Canadian Maritime Provinces Pacific Standard Time, Pacific Time, PST - standard time in the 8th time zone west of Greenwich, reckoned at the 120th meridian west; used in far western states of the United States Alaska Standard Time, Yukon Time - standard time in the 9th time zone west of Greenwich, reckoned at the 135th meridian west; used in Hawaii and most of Alaska Hawaii Standard Time, Hawaii Time - standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands | |