Alaska Time Zone Alaska Time Zone The Alaska Time Zone observes standard time by subtracting nine hours from Coordinated Universal Time (). During daylight saving time its time offset is eight hours (). The clock time in this zone is based on mean solar time at the 135th meridian west of the Greenwich Observatory. The zone includes nearly all of the U.S. state of Alaska and is one hour behind the Pacific Time Zone. The western Aleutian Islands observe Hawaii–Aleutian Time, one hour behind the remainder of the state. Effective from 2007, the local time changes from AKST to AKDT at 02:00 LST
Southwest Alaska the Wood-Tikchik Lakes, Lake Iliamna, and Lake Clark; the western heights of the Alaska Range, and its continuation southward as the Aleutian Range along the Alaska Peninsula and Aleutian Islands. The Kodiak Archipelago, in the Pacific east of the Alaska Peninsula, is the most eastern part of Southwest Alaska. Southwest roughly comprises Aleutians East, Bristol Bay, Kodiak Island, Lake and Peninsula boroughs, plus the portion of the Kenai Peninsula Borough that lies west of Cook Inlet; along with the Aleutians West, Bethel, Dillingham, and Kusilvak census areas. These areas have a combined area of , slightly larger than California. Volcanic