time - 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

Eastern Standard Time, Eastern Time, EST - standard time in the 5th time zone west of Greenwich, reckoned at the 75th meridian; used in the eastern United States

Central Standard Time, Central Time, CST - standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States

Mountain Standard Time, Mountain Time, MST - standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States

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

Bering Standard Time, Bering Time - standard time in the 11th time zone west of Greenwich, reckoned at the 165th meridian west; used in the Midway Islands