These meridians are theoretically the centres of 24 Standard Time zones, although in practice the zones often are subdivided or altered in shape for the convenience of inhabitants; a notable example of such alteration is the eastward extension of the International Date Line around the Pacific island country of Kiribati. This time zone was also known as the Loenen time or Gorinchem time, as this was the exact time in both Loenen and Gorinchem. Corrections? n. (Physical Geography) the official local time of a region or country determined by the distance from Greenwich of a line of longitude passing through the area. Until 1883, each United States railroad chose its own time standards. The time in each time zone is 1 hour ahead or 2 hours behind the times in the neighboring zones. Naval Observatory) in interpreting standard time. National Geography Standard Geography Standard 6 ... they have only visited once to illustrate how their understanding of the frequently visited place may have changed over time. Standard time means the official local time of a region or country determined by the distance from Greenwich of a line of longitude passing through the area ! The adoption of standard time, because of the inseparable correspondence between time and longitude, solidified the concepts of halving the globe into an eastern and western hemisphere, with one prime meridian (as well its opposite International Date Line) replacing the various prime meridians that had previously been used. Sandford Fleming, a Scottish-born engineer operating in Canada, proposed worldwide Standard Time at a meeting of the Royal Canadian Institute on February 8, 1879. In 1869 Charles F. Dowd, principal of... Local mean solar time depends upon longitude; it is advanced by four minutes per degree eastward. (Local time varies continuously with change in longitude.) Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Local mean solar time depends upon longitude; it is advanced by four minutes per degree eastward. , However, almost all railroads out of New York ran on New York time, and railroads west from Chicago mostly used Chicago time, but between Chicago and Pittsburgh/Buffalo the norm was Columbus time, even on railroads such as the PFtW&C and LS&MS, which did not run through Columbus. standard time. Time is recorded along Greenwich meridian, is called Greenwich Meridian Time (G.M.T. National Institute of Standards and Technology, Learn how and when to remove this template message, "Cleveland Abbe and American Meteorology: 1871-1901", "When it comes to time zones in the United States, it's all business", "History of the movement by which the adoption of standard time was consummated", North America Railway Hall of Fame: Inductee - Standard Time, "Te Ara Encyclopedia of New Zealand - Timekeeping", https://en.wikipedia.org/w/index.php?title=Standard_time&oldid=996120918, Short description is different from Wikidata, All articles with vague or ambiguous time, Vague or ambiguous time from February 2016, Articles needing additional references from February 2017, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 24 December 2020, at 17:22. The shape of the earth is ‘Geoid’. Zeigler. Geography Standard 12 The processes, patterns, and functions of human settlement. However protests that time was being dictated by one government department, led to a resolution in parliament to establish a standard time for the whole country. UTC−09:00 — Gambier Islands 4. It is known as (a) local time of India (b) Indian Standard Time (1ST) (c) both (a) and (b) (d) none of these. Sir Sandford Fleming, a Canadian railway planner and engineer, outlined a plan for worldwide standard time in the late 1870s. Question 4. Wh… Standard time is the synchronization of clocks within a geographical area or region to a single time standard, rather than using solar time or a locally chosen meridian (longitude) to establish a local mean time standard. The first thing most people think of is maps. The Indian Standard Time has a great importance: It has prevented a lot of confusion and has brought harmony in time throughout the country. as part of Arpita Karkarey's Walnut Learning System to spread quality education. How many times can we see full moon in a month time? Answer a: As soon as the sun starts moving up in the sky after sunrise, the length of our shadow reduces. The Intercolonial Railway serving the Canadian maritime provinces of New Brunswick and Nova Scotia just east of Maine decided not to adopt Intercolonial Time based on the 60th meridian west of Greenwich, instead adopting Eastern Time, so only four time zones were actually adopted by U.S./Canadian railroads in 1883. , Standard time was not enacted into US law until the 1918 Standard Time Act established standard time in time zones; the law also instituted daylight saving time (DST).  Major American observatories, including the Allegheny Observatory, the United States Naval Observatory, the Harvard College Observatory, and the Yale University Observatory, agreed to provide telegraphic time signals at noon Eastern Time. This article was most recently revised and updated by, https://www.britannica.com/science/Standard-Time. Omissions? Standard time is also known as winter time. 1. 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