From the name for the letterZ in theICAO spelling alphabet, a reference to the equivalent nautical time zone (GMT), which has been denoted by a Z since about 1950. See thelist of military time zones.
Zulutime (uncountable)
- (originally aviation or military)Coordinated Universal Time.
- Synonym:Z time
2008, Carol Pollard, Reynaldo Anzaldua,Computer Forensics For Dummies, John Wiley & Sons,→ISBN, page208:Aviation has long usedZulu time as the standard so that no matter which time zone you're in, you know what time it is.
2009, Charles Stross,Wireless, Penguin,→ISBN:What everyone knows is that between zero three fifteen and twelve seconds and thirteen secondsZulu time, on October second, ’sixty-two, all the clocks stopped, the satellites went away, the star map changed, nineteen airliners and forty-six ships in transit ended up in terminal trouble, and they found themselves transferred from a globe in the Milky Way galaxy to a disk which we figure is somewhere in the Lesser Magellanic Cloud.
2012, Jeff Van West, Kevin Lane-Cummings,Microsoft Flight Simulator X For Pilots: Real World Training, John Wiley & Sons,→ISBN, page101:The aviation standard isZulu time, which is essentially the same as Greenwich mean time (GMT) and Universal Time Coordinated (UTC).
