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  2. Hawaii–Aleutian Time Zone - Wikipedia

    en.wikipedia.org/wiki/Hawaii–Aleutian_Time_Zone

    During daylight saving time (DST), the Alaskan portion observes Hawaii–Aleutian Daylight Time (HDT, UTC−09:00), while Hawaii stays on standard time. Hawaii has not observed daylight saving time since September 1945. [3] Until 1947, UTC−10:30 was used as standard time in Hawaii. On June 8 of that year, a new territorial law moved Hawaiian ...

  3. List of time offsets by U.S. state and territory - Wikipedia

    en.wikipedia.org/wiki/List_of_time_offsets_by_U...

    Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone.

  4. Time in Hawaii - Wikipedia

    en.wikipedia.org/wiki/Time_in_Hawaii

    Hawaii began observing Hawaiian Standard Time on January 13, 1896, at noon. [3] [4] On May 19, 1947, the Hawaii Territorial Legislature approved a bill to change Hawaiian Standard Time to UTC−10:00, which would go into effect on June 8, 1947. [5] After the Uniform Time Act was passed in 1966, Hawaii was placed in the new Alaska–Hawaii Time ...

  5. List of UTC offsets - Wikipedia

    en.wikipedia.org/wiki/List_of_UTC_offsets

    If present, a dagger (†) indicates the usage of a nautical time zone letter outside of the standard geographic definition of that time zone. Some zones that are north/south of each other in the mid-Pacific differ by 24 hours in time – they have the same time of day but dates that are one day apart. The two extreme time zones on Earth (both ...

  6. Time in the United States - Wikipedia

    en.wikipedia.org/wiki/Time_in_the_United_States

    Some Indiana counties near Cincinnati and Louisville were on Eastern Time but did (unofficially) observe DST. The Energy Policy Act of 2005 extended daylight saving time for an additional month beginning in 2007. The Sunshine Protection Act of 2021 passed the United States Senate in March 2022. The bill would make daylight saving time the time ...

  7. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    Xinjiang Time Canonical +06:00 +06:00 +06 asia The Asia/Urumqi entry in the tz database reflected the use of Xinjiang Time by part of the local population. Consider using Asia/Shanghai for Beijing Time if that is preferred. RU: Asia/Ust-Nera: MSK+07 - Oymyakonsky Canonical +10:00 +10:00 +10 europe LA: Asia/Vientiane: Link † +07:00 +07:00 +07 ...

  8. Alaska Time Zone - Wikipedia

    en.wikipedia.org/wiki/Alaska_Time_Zone

    The Alaska Time Zone observes standard time by subtracting nine hours from Coordinated Universal Time (UTC−09:00). During daylight saving time its time offset is eight hours ( UTC−08:00 ). The clock time in this zone is based on mean solar time at the 135th meridian west of the Greenwich Observatory .

  9. List of time zone abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_time_zone...

    Guyana Time: UTC−04:00: HDT: Hawaii–Aleutian Daylight Time: UTC−09:00: HAEC: Heure Avancée d'Europe Centrale French-language name for CEST UTC+02:00: HST: Hawaii–Aleutian Standard Time: UTC−10:00: HKT: Hong Kong Time: UTC+08:00: HMT: Heard and McDonald Islands Time UTC+05:00: HOVST: Hovd Summer Time (not used from 2017–present ...