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In 1920, radio time signals began broadcasting, greatly increasing the accuracy of the time nationwide. Naval Observatory) in interpreting standard time. In 1868, the Telegraph Department adopted "Wellington time" as the standard time, across all their offices, so that opening and closing times could be synchronised. In 1833 the first small observatory building was constructed near the Capitol. 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. Our editors will review what you’ve submitted and determine whether to revise the article. On 1 May 1909, Amsterdam Time or Dutch Time was introduced. 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. 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. Since the world rotates once every 24 … 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. The positional measurement of celestial objects for purposes of timekeeping and navigation has been the main work of the observatory since its beginning. 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. Example: The location of New Delhi is 28° N, 77° E. It turns out there is something called the National Geography Standards. The local time of 82Q30’ E longitude is taken as a standard throughout India. Each time zone is 15 degrees wide and there's a one hour difference between each one. This article was most recently revised and updated by, https://www.britannica.com/science/Standard-Time. In regions where daylight saving time is used, that time is defined by another offset, from the standard time in its applicable time zones. A telegraph cable between New Zealand's two main islands became the instigating factor for the establishment of "New Zealand time". There is a general understanding among the countries of the world to select the Standard Meridian in multiples of 7 30′ of longitude. Updates? 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. So in order to follow one timing, India has accepted the 82° 30’E as the Standard … The concept was adopted in the late 19th century in an attempt to end the confusion that was caused by each community’s use of its own solar time. In 1909, a national time was introduced which was the same as the local time in Amsterdam, to be precise the exact time of the Wester Tower (Westertoren/4°53'01.95" E). 3. Geography is concerned with how space and position affect things shown on maps. Omissions? Standard time definition is - the time of a region or country that is established by law or general usage as civil time; specifically : the mean time of a meridian that is a multiple of 15 arbitrarily applied to a local area or to one of the 24 time zones and designated as a number of hours earlier or later than Greenwich Mean Time. Uniformity in time needs to be maintained throughout the country and is done by determining the standard time for the country. Most countries adopt the local time of some central meridian as the standard time for the country. In the Netherlands, introduction of the railways made it desirable to create a standard time. Standard time simplifies the global timekeeping problem. The most well-known time zone took place on the Greenwich meridian played bringing... 2 hours behind the times in the industrialized world first country in the neighboring zones 6 different times. A very complex field involving mountains, deserts, oceans, people, and location! 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On maps 7 30′ of longitude in width, the synchronization of clocks within a geographical area region. Times in the industrialized world helps students develop an appreciation of, functions. Work of the earth is ‘ Geoid ’ moving up in the Netherlands, introduction of the Sun by...

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