UTC−10:00

As standard time (all year round)

Oceania

• *
• *
• *
• *United States Minor Outlying Islands
• **Johnston Atoll

  As standard time (Northern Hemisphere winter)

North America

• *Alaska
• **Aleutian Islands west of 169.30°W

  Historical changes

• *Line Islands – including Kiritimati advanced 24 hours to the eastern hemisphere side of the International Date Line by skipping December 31, 1994.
• – Time in Samoa advanced 24 hours to the eastern hemisphere side of the International Date Line by skipping December 30, 2011.