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For the English speaking part of this planet. Greenwich Mean Time is the basis for every other mesurement of Time. Greenwich is in fact a City in the UK country of England. Its clock is an atomic clock accurate to 1 second in 1 million years.

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Q: What does greenwich have to do with time?
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What clock sets the time?

The clock at the Greenwich Observatory, Greenwich, London, England set the standard time (Greenwich Mean Time (GMT)) and has done for hundreds of years. The Greenwich Observatory is on the Greenwich Mean Line and initially set where 0o Latitude is.


What is the relationship between Greenwich mean time and local mean time?

Greenwich Mean Time is the local mean time at Greenwich, England, which is along the prime meridian (0° longitude).


What will be the time at 50 degree east of Greenwich if it is 12 noon at Greenwich?

12


How official time is kept?

In Greenwich, England there is the world atomic clock that sets the time for the world. It is called Greenwich mean time.


What is the time difference from china to the west coast of the US?

The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England. All of China is in the same time zone, so China is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Depending on where in the USA you are, the difference is between 13 and 18 hours. (Daylight savings not taken into account.)

Related questions

What do the letters GMT stand for?

Greenwich Mean Time. sdbjfshbhfbsdhfbhsdbfkagfhgasdgvjhsdhkfgsdkghsghfshfgjksdgfkasdjgfafhgasdjkgfjs


When was Greenwich Time - newspaper - created?

Greenwich Time - newspaper - was created in 1877.


Places east of greenwich are what of greenwich in time?

Plus.


What clock sets the time?

The clock at the Greenwich Observatory, Greenwich, London, England set the standard time (Greenwich Mean Time (GMT)) and has done for hundreds of years. The Greenwich Observatory is on the Greenwich Mean Line and initially set where 0o Latitude is.


Why are some states in USA ahead by two hours while others are not?

The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England.


What is the relationship between Greenwich mean time and local mean time?

Greenwich Mean Time is the local mean time at Greenwich, England, which is along the prime meridian (0° longitude).


What is the full meaning for gmt?

G.M.T. is Greenwich Mean Time.Greenwich, England has been the home of Greenwich Mean Time (GMT) since 1884. GMT is sometimes called Greenwich Meridian Time because it is measured from the Greenwich Meridian Line at the Royal Observatory in Greenwich. Greenwich is the place from where all time zones are measured.


What is the full meaning GMT?

G.M.T. is Greenwich Mean Time.Greenwich, England has been the home of Greenwich Mean Time (GMT) since 1884. GMT is sometimes called Greenwich Meridian Time because it is measured from the Greenwich Meridian Line at the Royal Observatory in Greenwich. Greenwich is the place from where all time zones are measured.


Where is Greenwich time measured?

Greenwich is an observatory in London England, assigned as the "starting point" for the time zones.


WHAT GMT noon time of Japan?

The time zones of the world are set according to Greenwich Mean Time, from the Greenwich Observatory in England. If it is noon in Japan, it is 0300 or 3 o'clock in the morning in Greenwich.


What will be the time at 50 degree east of Greenwich if it is 12 noon at Greenwich?

12


How official time is kept?

In Greenwich, England there is the world atomic clock that sets the time for the world. It is called Greenwich mean time.