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GMT is now often called Universal Time, which is now calculated from observations of extra-galactic radio sources, and then converted into several forms, including UT0 ( UT at the remote observatory ), UT1 ( UT corrected for polar motion ), and UTC ( UT in discrete SI seconds within 0. 9 s of UT1 ).
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GMT and is
Greenwich Mean Time ( GMT ) is a time system originally referring to mean solar time at the Royal Observatory in Greenwich, London, which later became adopted as a global time standard.
In the United Kingdom, GMT is the official time only during winter ; during summer British Summer Time is used.
GMT is the same as Western European Time.
In the United Kingdom, this is known as British Summer Time ( BST ); in the Republic of Ireland it is called Irish Standard Time ( IST )— officially changing to GMT in winter.
This is four hours before GMT.
It has seen numerous versions and editions, and is currently available as John Prados ' Third Reich from Avalanche Press, and as a far more complex descendant game, A World At War, published by GMT Games.
The attack is announced on radio stations in the US at about 2: 26 p. m. EST ( 19. 26 GMT ).
GMT either by that name or as ' mean time at Greenwich ' used to be an international time standard, but is no longer so ; it was initially renamed in 1928 as Universal Time ( UT ) ( partly as a result of ambiguities arising from the changed practice of starting the astronomical day at midnight instead of at noon, adopted as from 1 January 1925 ).
But Coordinated Universal Time ( UTC ) ( an atomic-based time scale which is always kept within 0. 9 second of UT1 ) is in common actual use in the UK, and the name GMT is often inaccurately used to refer to it.
It is a modern continuation of Greenwich Mean Time ( GMT ), i. e., the mean solar time on the Prime Meridian at Greenwich, and GMT is sometimes used loosely as a synonym for UTC.
The newsmagazine goes to press on Thursdays, between 6 and 7pm GMT, and is available on newsstands in many countries the next day.
Note, for example, that the time zone GMT + 14 will be at the same time of day as GMT − 10, though the former is one day ahead of the latter.
The local time in Tashkent is UTC / GMT + 5 hours.
The Prime Meridian running through Greenwich and the Greenwich Observatory is where the designation Greenwich Mean Time, or GMT began, and on which all world times are based.
To this day the bell in the tower, Great Tom, is rung 101 times at 9 p. m. Oxford time ( 9: 05 p. m. GMT / BST ) every night for the 100 original scholars of the college ( plus one added in 1664 ).
GMT and now
Historical Julian dates were recorded relative to GMT or Ephemeris Time, but the International Astronomical Union now recommends that Julian Dates be specified in Terrestrial Time, and that when necessary to specify Julian Dates using a different time scale, that the time scale used be indicated when required, such as JD ( UT1 ).
Although the clock itself now shows GMT / BST, Christ Church still follows Oxford time in the timings of services in the cathedral.
The weekday morning simulcast now includes BBC World News newscasts, World Business Report, Sport Today, and GMT with George Alagiah.
As of 1: 00 A. M. GMT on 25 August, this has been changed and the image on the Polish website now reflects the image on the English website.
GMTV ( now legally known as ITV Breakfast Limited ) was the national Channel 3 breakfast television contractor to broadcasting in the United Kingdom from 1 January 1993 at 06: 00 GMT to 3 September 2010.
It connects Richmond on the east bank with the neighbouring district of St. Margarets on the west bank during the day, but is now closed at night to pedestrians-after 19: 30 GMT or after 21: 30 when BST is in use.
At 0541 GMT ( now June 23 ), CP Air 003 arrived in Tokyo Narita 14 minutes early.
It was launched on the Digital One multiplex on 15 November 1999 at 1pm ( GMT ), alongside four other stations, Planet Rock, Classic FM, Talk Radio ( now TalkSport ) and Virgin Radio ( now Absolute Radio ), with other stations joining the multiplex in the following months.
The magnetic phenomena that occurred at about 11: 18 GMT on 1 September 1859 are now known as a Solar Flare Effect ( SFE ) or a Magnetic Crochet, but the connection would not be proven for another 80 years.
One such magnetic observatory was the Colaba Observatory on the Island of Colaba which is now part of Mumbai ( Bombay ), India at GMT + 5. 5.
GMT and called
A board wargame called Wellington – The Peninsular War 1812 – 1814 was produced by GMT Games in 2005.
On 22 June 1985, at 13: 30 GMT, a man calling himself " Manjit Singh " called to confirm his reservations on Air India Flight 181 / 182.
In 1968 there was a three-year experiment called British Standard Time, when the UK and Ireland experimentally employed British Summer Time ( GMT + 1 ) all year round ; clocks were put forward in March 1968 and not put back until October 1971.
GMT and Universal
On 1 January 1972, GMT was replaced as the international time reference by Coordinated Universal Time, maintained by an ensemble of atomic clocks around the world.
In 1928 the term Universal Time was adopted internationally as a more precise term than Greenwich Mean Time, because GMT could refer to either an astronomical day starting at noon or a civil day starting at midnight.
The second marker is transmitted with an accuracy better than ± 1 ms relative to Coordinated Universal Time ( UTC ), which is itself always within ± 1 second of Greenwich Mean ( solar ) Time ( GMT ).
The time around the world is based on Universal Coordinated Time ( UTC ) which is roughly synonymous with Greenwich Mean Time ( GMT ).
The date is in the format YY / MM / DD and the times are given in Universal Co-ordinated Time ; also known as GMT or Zulu time.
Modern civil time is generally standard time in a time zone at a fixed offset from Coordinated Universal Time ( UTC ) or from Greenwich Mean Time ( GMT ), possibly adjusted by daylight saving time during part of the year.
In 1928, the International Astronomical Union introduced the term Universal Time for GMT beginning at midnight, but the two Nautical Almanac Offices did not accept it until 1952.
In an astronomical context, " GMT " is a deprecated name for Universal Time, or sometimes more specifically for UT1.
The Yukon Standard Time Zone ( YST ) was a geographic region that kept standard time by subtracting nine hours from Coordinated Universal Time ( UTC ) resulting in UTC − 9 after 1971, or from Greenwich Mean Time ( GMT ) before 1972.
* G: MT – Greenwich Mean Time soundtrack – " Mean Time " ( with GMT ) – ( 1999 • Island Records / Universal )
GMT and Time
The term Greenwich Mean Astronomical Time ( GMAT ) was introduced to unambiguously refer to the previous noon-based astronomical convention for GMT.
Greenwich Mean Time ( GMT ) was originally mean time deduced from meridian observations made at the Royal Greenwich Observatory ( RGO ).
Greenwich Mean Time ( GMT ) was at one time based on the time observations made at Greenwich ( until 1954 ).
Luna 1 was launched 2 January 1959 at 16: 41 GMT ( 19: 41 Moscow Time ) from the Baikonur Cosmodrome by a Luna 8K72 rocket.
It begins on the vernal equinox as determined by astronomical calculations for the Iran Standard Time meridian ( 52. 5 ° E or GMT + 3. 5h ).
The ceremony was invented by two undergraduates in 1971, partly as a spoof on other Oxford ceremonies, and partly to celebrate the end of the experimental period of British Standard Time from 1968 to 1971 when the UK stayed one hour ahead of GMT all year round.
The altitude-intercept method of celestial navigation requires that the observer know exact Greenwich Mean Time ( GMT ) at the moment of his observation of the celestial body, to the second.
Then take your local time reading and subtract it from GMT ( Greenwich Mean Time ) or the time in east London.
** Time: 02: 28 August 27, 1958 ( GMT )
0.503 seconds.