Zulu time

E49120

Zulu time is a standardized time reference used worldwide—especially in aviation, military, and navigation—corresponding to Coordinated Universal Time (UTC) and denoted by the letter "Z."

Aliases (1)

Statements (47)
Predicate Object
instanceOf time reference
time standard
abbreviation UTC
alsoKnownAs Z time
Zulu
Zulu hour
appliesTo all longitudes
avoids confusion between time zones
daylight saving time ambiguity
basisFor coordinated international operations
global timestamping in computing
category Military terminology
Time in aviation
Time standards
correspondsTo Coordinated Universal Time
definedBy International Civil Aviation Organization
International Telecommunication Union
independentOf daylight saving time rules
local time zones
letterZMeaning Zulu in the NATO phonetic alphabet
notationExample 1200Z
2025-03-04T12:00Z
referenceMeridian Prime Meridian at Greenwich
relatedTo Greenwich Mean Time
standardizedIn ISO 8601 time format
timeOffsetFromUTC +00:00
timeZoneDesignationType military time zone
timeZoneLetter Z
usedBy NATO forces
global shipping companies
international airlines
meteorological agencies
space agencies
usedFor air traffic control
flight planning
global time coordination
logbook entries
military mission timing
navigation charts
weather reports
usedIn amateur radio
aviation
maritime navigation
meteorology
military operations
space operations
usesLetterDesignation Z

Referenced by (2)
Subject (surface form when different) Predicate
Zulu time ("Zulu hour")
alsoKnownAs
Coordinated Universal Time
ZNotationMeaning

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