As standard time (all year round)

• Cook Islands
  Cook Islands
  The Cook Islands is a self-governing parliamentary democracy in the South Pacific Ocean in free association with New Zealand...
  
   (NZ)
• Tokelau
  Tokelau
  Tokelau is a territory of New Zealand in the South Pacific Ocean that consists of three tropical coral atolls with a combined land area of 10 km2 and a population of approximately 1,400...
  
   (NZ) (until December 29, 2011, then adopting UTC+13
  UTC+13
  UTC+13 is an identifier for a +13 hour time offset from UTC.This time is used as standard time in:*Kiribati**Phoenix Islands *Tonga-Samoa and Tokelau:...
  
   or UTC+14
  UTC+14
  UTC+14 is an identifier for a +14 hour time offset from UTC. This is the highest time zone, meaning that areas in this zone are the first to see a new day, and therefore the first to celebrate a new year....
  
  )
• French Polynesia
  French Polynesia
  French Polynesia is an overseas country of the French Republic . It is made up of several groups of Polynesian islands, the most famous island being Tahiti in the Society Islands group, which is also the most populous island and the seat of the capital of the territory...
  
  
  • Society Islands
    Society Islands
    The Society Islands are a group of islands in the South Pacific Ocean. They are politically part of French Polynesia. The archipelago is generally believed to have been named by Captain James Cook in honor of the Royal Society, the sponsor of the first British scientific survey of the islands;...
    
     including Tahiti
    Tahiti
    Tahiti is the largest island in the Windward group of French Polynesia, located in the archipelago of the Society Islands in the southern Pacific Ocean. It is the economic, cultural and political centre of French Polynesia. The island was formed from volcanic activity and is high and mountainous...
    
    ,
  • Tuamotu Archipelago, and
  • Austral
    Austral Islands
    The Austral Islands are the southernmost group of islands in French Polynesia, an overseas collectivity of France in the South Pacific. Geographically, they consist of two separate archipelagos, namely in the northwest the Tubuai Islands consisting of the Îles Maria, Rimatara, Rurutu, Tubuai...
    
     and Bass Islands
    Bass Islands
    The Bass Islands are three American islands in the western half of Lake Erie. They are north of Sandusky, Ohio and south of Pelee Island, Ontario. South Bass Island is the largest of the islands, followed closely by North Bass Island and Middle Bass Island . They are located in Ottawa County in...
    
    
• United States (HAST—Hawaii-Aleutian Standard Time
  Hawaii-Aleutian time zone
  The Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time , 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....
  
  )
  • Hawaii
    Hawaii
    Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
    
    
  • Johnston Atoll
    Johnston Atoll
    Johnston Atoll is a atoll in the North Pacific Ocean about west of Hawaii. There are four islands located on the coral reef platform, two natural islands, Johnston Island and Sand Island, which have been expanded by coral dredging, as well as North Island and East Island , an additional two...
    
    

As standard time (Northern Hemisphere winter)

• United States (HAST—Hawaii-Aleutian Standard Time
  Hawaii-Aleutian time zone
  The Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time , 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....
  
  )
  • Alaska
    Alaska
    Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
    
    
    • Aleutian Islands (Alaska
      Alaska
      Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
      
       west of 169° 30′ West)

As daylight saving time (Southern Hemisphere summer)

• Samoa
  Samoa
  Samoa , officially the Independent State of Samoa, formerly known as Western Samoa is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in...
  
   (beginning in September 2010, until December 29, 2011, then adopting UTC+14
  UTC+14
  UTC+14 is an identifier for a +14 hour time offset from UTC. This is the highest time zone, meaning that areas in this zone are the first to see a new day, and therefore the first to celebrate a new year....
  
  as daylight saving time)