Originally Posted by
David 
Zulu time (Z time) or UTC time (universal coordinated time) is a cunny system invented to coordinate or to express time in a unique way throughout the world, avoiding the confusing and possibly misleading calculations of local times. The Zulu time is by convention the time recorded at greenwhich observatory, near London UK. Each and every country will than have a conveting factor to add or substract to it in order to get local time at any given place. Let's give an example:
if you wanna consider Italy o New Zealand, their local time when in London is, say 10am will respectively be
italy: 11am
NZ: 09pm
It follows that if we wanna describe an event which would be interesting worldwide, we could express it as happening at
1000Z
each country can later convert it to their own local. So both 11am in Italy and 21:00 in NZ will be referred to as 10:00Zulu time.
Note that this system is much used in aviation when it is imporant to carefully express the time od DEP or ARR of planes and calculate the lenght of a flight or even interpret meteorological data without having to consistently refer to the LCL time
just checking or gloc will turn up late :-)
Nobody uses Zulu in aviation any longer. It's now called UTC - ask the CAA 
I think this happened when Maggie Thatcher sent GMT to France
The man who's more anal than Kirstie - Turbanator
Speshul - Steve Summers
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I've not been busy yet.
and my real kit is in Norway 
