GMT - 10:00 Hawaii Time Zone

The Hawaii Time Zone observes standard time by subtracting ten hours from Coordinated Universal Time (UTC-10). Unlike most states in the United States, Daylight Saving Time is not observed in Hawaii, which maintains its 10 hour timedifference remains throughout the year.

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The zone includes all of the Hawaiian Islands and during standard time is two hour behind the Pacific Time Zone, three hours behind the Mountain Time Zone, four hours behind the Central Time Zone, and five hours behind the Eastern Time Zone.