; Central time zone (Zone S), which comprises roughly the Gulf Coast, Mississippi Valley, and most of the Great Plains. Time zones were therefore a compromise, relaxing the complex geographic dependence while still allowing local time to be approximate with mean solar time.

element = document.getElementById( "ArizonaMin" ); // and the PC's clock (ms) The development of transport and communication at the end of the 1820s necessitated the introduction of a uniform time reference for the whole earth: 24 time zones were designated. [2] Operators of the new railroad lines needed a new time plan that would offer a uniform train schedule for departures and arrivals. Hawaii, an island state, is in the Pacific Ocean and Alaska is separated from the rest of the country by Canada. // read the PC's clock ClockTick();

if( BannerTickCount >= 300 && !PageTimeout ) The time zone boundaries and DST observance are regulated by the Department of Transportation.
var element = document.all.item( "PacificMin" ); Other outlying islands include Jarvis Island, Midway Atoll, Palmyra Atoll, and Kingman Reef (UTC−11:00); Johnston Atoll (UTC−10:00); and Navassa Island, Bajo Nuevo Bank, and Serranilla Bank (UTC−05:00).

var LocalTime = new Date( 2020, 9, 26, 15, 44, 9, 85 ); in the United States of America, and the current time for each time zone. Time in the United States, by law, is divided into nine standard time zones covering the states, territories and other US possessions, with most of the United States observing daylight saving time (DST) for approximately the spring , summer, and fall months. element.innerHTML = Min;

element.innerHTML = Min; button.

var BannerImg = new Array(20);

Current Local Accurate Time in North America Time Zones. element = document.all.item( "IndianaMin" ); Learn how and when to remove this template message, National Institute of Standards and Technology, Daylight saving time in the United States, Date and time notation in the United States, Effects of time on North American broadcasting, Permanent time observation in the United States, "Greenwich Mean Time (GMT)—time, facts, history", "15 U.S. Code Subchapter IX—STANDARD TIME", North American time zone border data and images, wikisource:Code of Federal Regulations/Title 49/Subtitle A/Part 71, Standard Time Law 15 U.S. Code Subchapter IX—STANDARD TIME, wikisource:United States Code/Title 15/Chapter 6/Subchapter IX, South Georgia and the South Sandwich Islands, https://en.wikipedia.org/w/index.php?title=Time_in_the_United_States&oldid=985607339, All Wikipedia articles written in American English, Articles needing additional references from March 2013, All articles needing additional references, Creative Commons Attribution-ShareAlike License, divides a very small portion of extreme western, follows the border between New Mexico (west) and, follows the Salmon River west to the town of, turns north and follows the Salmon River to the, turns west and follows the northern border of Malheur County, Oregon to its western border, where it turns south, follows the western border of Malheur County to latitude 42.45° (42°27′ N), where it turns east, and returns to the Oregon/Idaho border, turns south and follows the border between, turns east and follows the border between Idaho (north) and Nevada (south) along the.

UTC is one of several closely related successors to GMT. element = document.all.item( "CentralMin" ); Tue = Tuesday, October 20, 2020 (459 places).

Eastern time zone (Zone R), which comprises roughly the states on the Atlantic coast and the eastern two thirds of the Ohio Valley. Hawaii Time and Alaska Time are separate time zones. Abbreviation Time zone name Other names Offset; ADT: Atlantic Daylight Time HAA: UTC … Current Local Accurate Time in North America Time Zones.

… (Note: in 2007, Daylight Saving Time was extended one month and a new rule started being implemented). element.innerHTML = Min;

Two subsequent amendments, in 1986 and 2005, have shifted these days so that daylight saving time now runs from the second Sunday in March until the first Sunday in November. element = document.all.item( "MountainMin" ); } Current time. Zones used in states beyond the contiguous U.S. Countries in North America | timezones.de Asien

element = document.getElementById( "IndianaMin" );

The clocks run by these services are kept synchronized with each other as well as with those of other international timekeeping organizations.



element = document.all.item( "ArizonaMin" ); // load the banner image files and target URLs

element.innerHTML = Min; [1], Weather service chief Cleveland Abbe introduced four standard time zones for his weather stations, an idea which he offered to the railroads. }

Before the adoption of four standard time zones for the continental United States, many towns and cities set their clocks to noon when the sun passed their local meridian, pre-corrected for the equation of time on the date of observation, to form local mean solar time.

The portions of Indiana that were on central time observed daylight saving time. element.innerHTML = Min; }

Min = "0" + Min; button. element.innerHTML = Min; // prepare for the periodic clock tick var element = document.getElementById( "PacificMin" ); // - call the program again to refresh It is the combination of the time zone and daylight saving rules, along with the timekeeping services, which determines the legal civil time for any U.S. location at any moment. Click to find out more about North America Time Zones

{ Each train station set its own clock making it difficult to coordinate train schedules and confusing passengers. var BannerTickCount = 0; { { Click to find out more about North America Time Zones // -->.

// trap gross changes in the PC's clock such as a clock adjustment window.setTimeout( 'ClockTick()', 1000 );



// gross change in the PC's clock, or hour rollover As defined by U.S. law[9] they are: From east to west, the four time zones of the contiguous United States are: Some United States Minor Outlying Islands are outside the time zones defined by 15 U.S.C. function StartClock() 23:18. } 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.
There are six different time zones including Alaska and Hawaii.

Current Local Times in North America. In 2005, Indiana passed legislation which took effect on April 2, 2006, that placed the entire state on daylight saving time (see.

United States Current Local Time & Date, Time Zone and Time Difference The USA is in North America, bordered to the south by Mexico and to the north by Canada. element = document.all.item( "EasternMin" ); Local time (city) North America Time Zones. [8] Prior to this they were based upon the mean solar time at several meridians 15° apart west of Greenwich (GMT). Daylight Saving Time, for the U.S. and its territories, is NOT observed in Hawaii, American Samoa, Guam, Puerto Rico, the Virgin Islands and the state of Arizona (not the Navajo Indian Reservation, which does observe it). Time Zone Abbreviations – Time Zones in North America. var HourRollover = (LastMinutes == 59) && (LocalTime.getMinutes() == 0); 23:18. var Min = LocalTime.getMinutes(); if( Min < 10 )

[7] As of August 9, 2007, the standard time zones are defined in terms of hourly offsets from UTC.

In 1960, the International Radio Consultative Committee formalized the concept of Coordinated Universal Time (UTC), which became the new international civil time standard. Baker Island and Howland Island are in UTC−12:00, while Wake Island is in UTC+12:00. §260 and exist in waters defined by nautical time. Daylight saving time (DST) begins on the second Sunday of March and ends on the first Sunday of November. // MSIE 4+ It shares four time zones with Canada (Eastern Time, Central Time, Mountain Time and Pacific Time). [3][4], In October 1884, the International Meridian Conference at Washington, D.C. adopted a proposal which stated that the prime meridian for longitude and timekeeping should be one that passes through the centre of the transit instrument at the Greenwich Observatory in the United Kingdom (UK). The U.S. time-zone system grew from this, in which all zones referred back to GMT on the prime meridian.[1]. Navajo Nation participates in the Daylight Saving Time policy due to its large size and location in three states. PageTimeout = true; if( document.all ) In total, North America comprises 23 countries where 440 million people live. North America 10:18 PM on Wednesday, Oct 21, 2020. UTC is, within about 1 second, mean solar time at 0°. You can enter the name or abbreviation of a time zone, or choose a city within that time zone to calculate the time difference. Welcome to American Time Zones.. AmericanTimeZones.com shows you a map of the four main time zones in the United States of America, and the current time for each time zone.. For information on how best to use this site press the button. The conference therefore established the Greenwich Meridian as the prime meridian and Greenwich Mean Time (GMT) as the world's time standard.

Railroad managers tried to address the problem by establishing 100 railroad time zones, but this was only a partial solution to the problem. The worldwide time zone system was developed in 1878. Who invented the time zone? * Adjusted for Daylight Saving Time (364 places). }

The time zone that covers the most states is the Eastern Standard Time Zone (EST) How long has time zones been around?

// get the difference between the server's computed local time var BannerUrl = new Array(20); (Described from north to south along each boundary.). UTC is Coordinated Universal Time, GMT is Greenwich Mean Time. In practice, military crews may simply use Zulu time (UTC±00:00) when on these islands. Noon occurred at different times but time differences between distant locations were barely noticeable prior to the 19th century because of long travel times and the lack of long-distance instant communications prior to the development of the telegraph. element.innerHTML = Min;

element.innerHTML = Min;

element = document.getElementById( "CentralMin" ); North America Time Zones North America, with an area of 24.93 million square kilometers, is the world's third-largest continent and includes Greenland, Mexico, the United States, Canada, and several Caribbean Island Nations.

Asia/Calcutta 8:48 AM on Thursday, Oct 22, 2020. { Standard time zones in the United States and other regions are currently defined at the federal level by law 15 USC §260. // start the periodic clock tick { Time Zone Abbreviations – North America.

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