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In the United States, time is divided into nine standard time zones covering the states, territories and other US possessions, with most of the country observing daylight saving time (DST) for approximately the spring, summer, and fall months. The time zone boundaries and DST observance are regulated by the Department of Transportation, but no ...
The North American Central Time Zone ( CT) [1] is a time zone in parts of Canada, the United States, Mexico, Central America and some Caribbean islands . Central Time Zone is affected by two time designations yearly: Central Standard Time (CST) is observed from the first Sunday in November to the second Sunday in March.
Time zones of the world. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. ... Chicago, IL: A. N. Marquis Company.
The evolution of United States standard time zone boundaries from 1919 to 2024 in five-year increments. Plaque in Chicago marking the creation of the four time zones of the continental US in 1883 Colorized 1913 time zone map of the United States, showing boundaries very different from today Map of U.S. time zones during between April 2, 2006, and March 11, 2007.
Current time. 15:19, 14 May 2024 EST [ refresh] 16:19, 14 May 2024 EDT [ refresh] Observance of DST. DST is observed in parts of this time zone. 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, and the state of Quintana Roo in Mexico .
Time zone. As in the rest of the state of Illinois, Chicago forms part of the Central Time Zone. The border with the Eastern Time Zone is located a short distance to the east, used in Michigan and certain parts of Indiana. Demographics
This map was made by combining version 2023d of the with data, using open source software. [1] The tz database is a collaborative compilation of information about the world's time zones and rules for observing daylight saving time, primarily intended for use with computer programs and operating systems. [2] Paul Eggert has been its editor and ...
Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone.