Most of Arizona and Hawaii don't use DST. In addition the uninhabited atolls of Baker Island (AoE) and Wake Island (WAKT) add to the time zone count, making 11 the total number of time zones in the US.Īlmost all states in the US use Daylight Saving Time (DST). There are 9 official time zones according to the law. The time zones in the law are defined by their offset from Coordinated Universal Time (UTC). Code, Title 15, Chapter 6, Subchapter IX - Standard Time. World Clock Date Tools World Time Zone Map Facebook. Hawaii Time: Alaska Time: Pacific Time: Sunday 6:23 AM HST: Sunday 7:23 AM AKST. Time zones in the USA are defined in the U.S. Central America - Time Zones and Current Times Central America - Daylight Saving Time. Since 1967, the US Department of Transportation (DOT) has been responsible for governing time zones in the country. In each geographic region within a time zone, people use the same time. Each section observes a uniform standard time to keep track of the day and night cycle and also for legal, social and commercial purposes. The US was divided into 4 standard time zones on November 18, 1883, and jurisdiction for the zones was given to the Interstate Commerce Commission (ICC). A time zone is one of 24 spherical lunes with equal width-each assigned with one of the 24 hours. Organize your life with free online info and tools you can rely on. Time Zones Being Used in Dependencies of United States Offset Welcome to the world's top site for time, time zones, and astronomy. They will become active again after the next clock change as Daylight Saving Time begins or ends. The above time zones are used during other parts of the year. Time map for Canada / map for Mexico / map for Caribbean / Central America / map for State of Indiana. Convert time from a global location to view corresponding USA time zones. Time Zones Not Currently Being Observed in United States Offset USA Time Zone Map- 24 HOUR FORMAT Time mode: 24 hours or 12 hours (AM/PM) USA Interactive Time Zones Map Converter. Note: Local time in these time zones changes when Daylight Saving Time begins and ends. In practice, this means that the local time in these time zones changes when DST begins and ends. For example, Eastern Time (ET) refers to Eastern Standard Time (EST) or Eastern Daylight Time (EDT), depending on which is currently in use. This means that if the time in Zulu Zone is 0800Z (8:00 AM), then the time in Alfa Zone is 0900A (9:00 AM), in Bravo Zone 1000B (10:00 AM) and so on. The rest of them represent the time shift by one hour to the East direction. The time zones in the contiguous US are often referred to by their generic name, without making a difference between standard time and Daylight Saving Time designations. Zulu Time Zone is the prime zone, known as UTC+0. Generalized Time Zones in United States Time Zone Abbreviation & Name Since Howland Island and Baker Island constitute the world's westernmost landmasses in relation to the International Date Line, making them the last places on Earth where any date exists, they are sometimes assigned a theoretical 12th time zone called Anywhere on Earth (AoE). As neither Hawaii nor the 5 dependencies use Daylight Saving Time (DST), there are only 6 corresponding DST time zones. In addition, Alaska, Hawaii, and 5 US dependencies all have their own time zones. The contiguous US has 4 standard time zones. However, adding the time zones of 2 uninhabited US territories, Howland Island and Baker Island, brings the total count to 11 time zones. Its one of the best online productivity tools for those often finding themselves traveling, in flights, in online meetings or just calling friends and family abroad. From west to east these time zones are: Pacific, Mountain, Central, Eastern, Atlantic Time (Labrador) and Newfoundland & Labrador (NL). There are 9 time zones by law in the USA and its dependencies. World Time Buddy (WTB) is a convenient world clock, a time zone converter, and an online meeting scheduler. There are 6 time zones in Canada that spans four and a half hours, ranging from UTC -8 ( Pacific) to UTC -3:30 ( Atlantic - NL) in standard time. Time Zones Currently Being Used in United States Offset
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