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  2. History of time in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_time_in_the...

    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 ...

  3. Time clock - Wikipedia

    en.wikipedia.org/wiki/Time_clock

    Electronic time clock. A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees (or those on flexi-time) at a place of business.

  4. Time in the United States - Wikipedia

    en.wikipedia.org/wiki/Time_in_the_United_States

    Standard time zones in the United States and other regions are currently defined at the federal level by statute 15 U.S.C. § 260. The federal law also establishes the transition dates and times at which daylight saving time occurs, with federal law making its observation dependent on state or tribal law.

  5. Time Lock - Wikipedia

    en.wikipedia.org/wiki/Time_Lock

    Time Lock is a 1957 British thriller film directed by Gerald Thomas.The film follows the attempt to rescue a six-year-old boy who is accidentally locked in the South York branch of the Crown Canada Bank vault, in Toronto.

  6. Category : Timelines of United States history by period

    en.wikipedia.org/wiki/Category:Timelines_of...

    Timeline of the American Revolution; Timeline of the history of the United States (1790–1819) Timeline of the history of the United States (1820–1859) Timeline of the history of the United States (1860–1899) Timeline of the history of the United States (1900–1929) Timeline of the history of the United States (1930–1949) Timeline of ...

  7. Daylight saving time in the United States - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time_in...

    The Ohio Clock in the U.S. Capitol being turned forward for the country's first daylight saving time on March 31, 1918 by the Senate sergeant at arms Charles Higgins.. Most of the United States observes daylight saving time (DST), the practice of setting the clock forward by one hour when there is longer daylight during the day, so that evenings have more daylight and mornings have less.

  8. Clock - Wikipedia

    en.wikipedia.org/wiki/Clock

    An analog pendulum clock made around 18th century. A clock or chronometer is a device that measures and displays time.The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year.

  9. Chronometry - Wikipedia

    en.wikipedia.org/wiki/Chronometry

    The hourglass is often used as a symbol representing the passage of time. Clocks; a watch-maker seated at his workbench. Chronometry [a] or horology [b] (lit. ' the study of time ') is the science studying the measurement of time and timekeeping. [3]