The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST) by subtracting ten hours from Coordinated Universal Time (UTC−10:00).The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory.. The zone takes its name from the two areas it includes: Hawaii and the portion of Alaska's Aleutian …

The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a small portion of westernmost Brazil in South America, along with certain Caribbean and Atlantic islands.. Places that use: ...

The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico. Places in this zone observe standard time by subtracting eight hours from Coordinated Universal Time (UTC−08:00).During daylight saving time, a time offset of UTC−07:00 is used.. In the United States and Canada, this time zone is generically …

The Newfoundland Time Zone (NT) is a geographic region that keeps time by subtracting 3.5 hours from Coordinated Universal Time during standard time, resulting in UTC−03:30; or subtracting 2.5 hours during daylight saving time. The clock time in this zone is based on the mean solar time of the meridian 52 degrees and 30 arcminutes west of the Greenwich …

This is a list of time zone abbreviations. Time zones are often represented by alphabetic abbreviations such as "EST", ... Hawaii–Aleutian Daylight Time: UTC−09: HAEC: Heure Avancée d'Europe Centrale French-language name for CEST UTC+02: HST: Hawaii–Aleutian Standard Time: UTC−10: HKT: Hong Kong Time:

State federal district or territory Time Offsets DST Details Map Alabama UTC−06:00 CT: Yes: Central Standard Time (Phenix City observes Eastern time on a de facto basis) Alaska UTC−09:00 AKT : Yes Most of state: UTC−09:00 AKST Alaska Standard Time UTC−10:00 HT : Aleutian Islands (west of 169°30' W): UTC−10:00 HST Hawaii-Aleutian Standard Time …

This is a list of U.S. states (and the one federal district, Washington, D.C.) and territories showing their time zones.. Most of the United States uses Daylight Saving Time (DST) in the summer.In the list, it will say if the state does not use DST.. Note: the time zones listed on this page are listed in Coordinated Universal Time (UTC) as well as the names of the time zones as they are …

Only the full-time zone names listed below are official; abbreviations are by common use conventions, and duplicated elsewhere in the world for different time zones. ... Hawaii–Aleutian Time Zone (no daylight saving in Hawaii, UTC−10:00; zone W), which includes Hawaii and most of the length of the Aleutian Islands chain (west of 169°30′W).

The Chamorro Time Zone, formerly the Guam Time Zone, is a United States time zone which observes standard time ten hours ahead of Coordinated Universal Time ().The clock time in this zone is based on the mean solar time of the 150th meridian east of the Greenwich Observatory.. The zone includes the U.S. territories of Guam and the Northern Mariana Islands, where the …

The Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time (UTC) when standard time (UTC−07:00) is in effect, and by subtracting six hours during daylight saving time (UTC−06:00).The clock time in this zone is based on the mean solar time at the 105th meridian west of the Greenwich Observatory.In the …