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Daylight saving time (DST) is in effect in much of the Central time zone between mid-March and early November. The modified time is called "Central Daylight Time" (CDT) and is UTC−05:00 . In the United States, all time zones that observe DST were effectively changed by the Energy Policy Act of 2005. Beginning in 2007, DST would now begin at 2 ...
Time in the United States. 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 ...
The " Panhandle and Plains " section of Texas is now in the Central Time Zone, but had a two-year period of being in the Mountain Time Zone between 1919 and 1921. [2]
Yellow. UTC−05:00. UTC−04:00. Eastern Time. Indiana observes Eastern Time, except for 12 of its 92 counties, which observe Central Time. [3] Six of these counties are in northwestern Indiana, near Chicago (which observes Central Time), and six are in southwestern Indiana, near Evansville, where the metro area includes portions of ...
Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+8), Cuba Standard Time (UTC−5), and (North American) Central Standard Time (UTC−6), and it is also a widely used variant of ACST ( Australian Central Standard Time, UTC+9:30).
UTC−06:00 is an identifier for a time offset from UTC of −06:00. In North America, it is observed in the Central Time Zone during standard time, and in the Mountain Time Zone during the other eight months (see daylight saving time ). Several Latin American countries and a few other places use it year-round.
Coordinated Universal Time ( UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones.
The history of standard time in the United States began November 18, 1883, when United States and Canadian railroads instituted standard time in time zones. Before then, time of day was a local matter, and most cities and towns used some form of local solar time, maintained by some well-known clock (for example, on a church steeple or in a ...