The time change in the USA always takes place at 2 o'clock of the respective local time. Unlike Europe, for example, the clock is turned on the same night, but not at the same time. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time. Only Hawaii and most of Arizona remain on standard time all year. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. It always begins on the second Sunday in March and ends on the first Sunday in November. Today, daylight saving time is introduced on the same day throughout the country. However, it was not implemented until 1918 during the First World War. Daylight Saving Time in the USA Earlier than in most other countries, daylight saving time was introduced by Benjamin Franklin in 1784. Together with Wake Atoll (UTC+12), they are on the other side of the International Date Line. Guam and the Northern Mariana Islands are in Chamorro Time (UTC+10).American Samoa received its own time zone, which today also includes the atolls Midway and Palmyra, as well as Kingman Reef.Puerto Rico and the American Virgin Islands with Atlantic Time.Outside these areas, there are other territories of the USA with their own time zones as well: Later, Alaska and Hawaii also got their own time zones. In northern Arizona, there are even areas that don't even switch to daylight saving time. As many as 14 of the 50 states have two time zones. Pacific Standard Time It is worth noting that the time zones are not always aligned with state boundaries. Thus, to this day, the Ministry of Transport is responsible for the allocation of time zones and the timing of time changes.įour standard times were initially introduced in the contiguous continental United States: This was a real challenge, especially for transportation and railroads. And not even that could be reliably measured with the methods of the time. Each place set its own time based on the position of the sun. It said the original five time zones have expanded to nine.Since November 1883, there have been uniform time zones in the United States - before that, there was a jumble of over 300 different times and even more zones, which already varied from city to city. Did East Germany Have a Different Time Zone Between 19, Germany was divided into East and West Germany. It is 1 hour ahead of the modern-day time standard, Coordinated Universal Time (UTC). The inspector general report said the Transportation Department is responsible for keeping the clock because of the importance of time to travel. By advancing clocks across the country by 6 minutes and 32 seconds in 1893, Germany entered the time zone it still uses today. The department’s top lawyer, John Putnam, responded in a memo that officials are fixing the issues and are “developing an official DOT time zone map.” Inspector general investigators presented the findings to the Department of Transportation. “The official boundaries are narratively described with various types of coordinates and geographic features such as lines of longitude, State or county lines, and rivers,” the report stated. For example, one map incorrectly identifies a deviation in Nevada: “Elko County, NV is shown as the location that changed time zones rather than the correct location, the city of West Wendover.” Investigators found no single map accurately showing the boundaries nationwide and said several sources of time information on the DOT website contained errors, such as inaccurately noting the time practices in some localities. The issue came up, the inspector general’s office said, after the US Senate passed legislation this year to end the biannual time turn by making Daylight Saving Time permanent. A person may take knowing the local time for granted, but an official review revealed that there is no single, accurate map showing the nation’s time zones and local observance of Daylight Saving Time.įederal transportation officials are now at work creating an accurate map of the nation’s time zones, according to a report by the inspector general for the Department of Transportation.
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