The US TIME ZONE MAP is divided into 9 categories: WHAT ARE THE DIFFERENT TIME ZONES IN THE UNITED STATES? The offset from the world’s standard time expressed as UTC- /UTC+ defines the local time within a time zone. Time zones are crucial for standardizing time across countries and regions.You can see the all-time zones in this printable timezone map of USA. All these zones are defined by an offset from the coordinated universal time by a number of hours centered on the prime meridian. 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. Printable Map of US Time ZonesĪ time zone is one of 24 spherical lunes with equal width-each assigned with one of the 24 hours. Noon occurred at different times but the time differences between distant locations were barely noticeable prior to the 19 th century because of long travel times and the lack of long-distance instant communication prior to the development of the telegraph. On November 18, 1883, America’s railroads began using a standard time system involving four time zones, Eastern, Central, Mountain, and Pacific.Before the adoption of four standard time zones for the continental United States, many towns and cities set their clock 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. Since different parts of Earth enter and exit daylight at different times, we need different time zones. Noon would be the middle of the day in some places, but it would be morning, evening, and the middle of the night in others. Below are some of the best us time zone map printables that you can download for free. People need to understand the time zones if they are doing research or traveling from one place to another. The United States of America is one of the biggest countries in different time zones. As neither Hawaii nor the 5 dependencies use Daylight Saving Time (DST), there are only 6 corresponding DSTs in the State Wise Time Zone Map of the US. In addition, Alaska, Hawaii, and 5 US dependencies all have their own time zones. The contiguous US has 4 standard time zones. Generalized Time Zone is often called by their generic name, without making a difference between standard time and Daylight Saving Time. The US territories observe Samoa Time Zone ( American Samoa), Atlantic Time Zone (US Virginia Islands and Puerto Rico), and Chamorro Time Zone (the Northern Mariana Islands and Guam). The state of Alaska observes Alaskan Time Zone (UTC-09:00), while Hawaii and parts of the Aleutian Islands have Hawaii-Aleutian Time Zone (UTC-09:00). Alaska and Hawaii have their own time zones: Alaska Standard Time (AKST) and Hawaii Standard Time (HST) ) respectively.Pacific Standard Time, 8 hours behind GMT.Mountain Standard Time, 7 hours behind GMT.Central Standard Time, 6 hours behind GMT.Eastern Standard Time, 5 hours behind Greenwich Mean Time (GMT). Alaska and Hawaii have their own time zones, There are five more Us Time Zone maps comprising different U.S. The Time Zone Map of the US Consist of four time zones used in the contiguous U.S.: Pacific Time Zone, Mountain Time Zone, Central Time Zone, and Eastern Time zone. You can also free download United States of America Map images HD Wallpapers for use desktop and laptop. PDF Time Zone Map of US is the Map of United States of America.
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