thumb|300px|UTC−10:00: blue (December), orange (June), yellow (year-round), light blue (sea areas)
UTC−10:00 is an identifier for a time offset from UTC of −10:00. This time is used in Hawaii, Alaska, French Polynesia, and the Cook Islands.
As standard time (year-round)
Principal cities: Honolulu, Avarua, Papeete, Faʻaʻā
Oceania
Pacific Ocean
Polynesia
- France
- French Polynesia
- Society Islands
- Leeward Islands
- Windward Islands
- Tuamotus
- Disappointment Islands
- Duke of Gloucester Islands
- Far East Tuamotu Group
- Hao Group
- Hikeru Group
- King George Islands
- Palliser Islands
- Raeffsky Islands
- Gambier Islands
- Outer Gambier Group
- Acteon Group
- Austral Islands
- Tupua'i Islands
- Bass Islands
- New Zealand
- Cook Islands
- United States (Hawaii–Aleutian Time Zone)
- Hawaii
- United States Minor Outlying Islands
- Johnston Atoll
As standard time (Northern Hemisphere winter)
North America
- United States
- Alaska
- Aleutian Islands west of 169.30°W
- Andreanof Islands
- Islands of Four Mountains
- Near Islands
- Rat Islands
Historical changes
- Kiribati
- Line Islands – including Kiritimati (Christmas Island) advanced 24 hours (to UTC+14:00) to the Eastern Hemisphere side of the International Date Line by skipping December 31, 1994.
- Samoa – Time in Samoa advanced 24 hours (to UTC+14:00) to the Eastern Hemisphere side of the International Date Line by skipping December 30, 2011.