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2007-03-03 07:02:46 · 9 answers · asked by Allan P S 1 in Science & Mathematics Geography

9 answers

"Greenwich Mean Time" is the 0 of coordinated universal time which all time zones either advance or decline from.

2007-03-03 07:10:59 · answer #1 · answered by Cabrõn 4 · 1 0

Greenwich meridian time, the time zone centered on 0 degrees longitude, and extending 7 1/2 degrees into the Eastern and Western Hemispheres. AKA: CUT (coordinated universal time) UCT (unviversal coordinated time).

Often used in scientific observations, astronomy..to make it easier for scientists to communicate about universal events without worrying about time zones, daylight savings and the time of year....

The words alpha, ....are used in the military. They correspond with the +/- (number of hours from GMT) system. They are just different ways of naming the 24 zones.

2007-03-03 07:21:24 · answer #2 · answered by Jennifer B 3 · 0 0

There are 24 time zones around the worls labelled Alpha, Bravo, Charlie ... Zulu (omitting India and Oscar to avoid confusion with numbers). GMT is time zone Zulu. GMT is called UTC - Coordinated Universal Time - these days and it is based on 0° longitude.

2007-03-03 07:18:06 · answer #3 · answered by tentofield 7 · 0 0

GMT
Greenwich mean Time takes it's name from the Royal Observatory, Greenwich
When it was decided that a referance point of tome was required for Mariners.
The Meridian Line is an imaginary line which runs from the North Pole to the South Pole. By international convention it runs through "the primary transit" instrument (main telescope) at the Royal Observatory in Greenwich

2007-03-03 07:31:52 · answer #4 · answered by Dreamweaver 4 · 0 0

0 (ie not + or - anything). It lies along the 0 degrees line of longitude through greenwich london...ie GREENWICH mean time.

London time is +0 in winter time but +1 in summer for daylight saving - GMT is constant

2007-03-03 20:31:24 · answer #5 · answered by Anonymous · 0 0

Greenwich Mean Time.

Greenwich is a place in England. If Greanwich is time 0, then the timezone after that is +1, etc.

http://wwp.greenwichmeantime.com/
http://maps.google.co.uk/maps?oi=eu_map&q=Greenwich&hl=nl

2007-03-03 07:11:39 · answer #6 · answered by Bloed 6 · 0 0

GMT is universal time

it is a time zone

2007-03-03 08:23:28 · answer #7 · answered by supremecritic 4 · 0 0

Greenwich Mean Time - it's in London

2007-03-03 07:10:18 · answer #8 · answered by puma 6 · 0 0

0 = zero.

2007-03-04 00:32:11 · answer #9 · answered by foongwk140804 7 · 0 0

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