USA HISTORY

Detailed explanation-1: -Recognizing the demand for a more reliable scheduling system, the major railroad companies at the time, along with the original American Railway Association, agreed to divide North America into four time zones. They collectively launched this new time-keeping system on November 18, 1883 at high noon.

Detailed explanation-2: -To make rail service safer and more reliable, in 1883 the American Railway Association divided the country into four time zones in regions where the same time was kept. Air brakes enabled railroads to put longer and heavier trains on their lines.

Detailed explanation-3: -Finally, the railway managers agreed to use four time zones for the continental United States: Eastern, Central, Mountain, and Pacific.

Detailed explanation-4: -On November 18, 1883, the railroads moved forward with the adoption of four U.S. time zones, an idea that had been proposed 11 years earlier by Charles Dowd, a Yale-educated school principal. The time zones, Eastern, Central, Mountain and Pacific, are still in place today.

Detailed explanation-5: -In 1883 the US railroads called a General Time Convention to develop a more coordinated and orderly system. In October of 1883 delegates met at the Pacific Hotel in Chicago and on 11 October 1883 adopted the Standard Time System which went into effect on 18 November 1883.