Coordinated Universal Time

E8830
time scale time standard

Coordinated Universal Time (UTC) is the primary global time standard by which the world regulates clocks and time, serving as the basis for most civil time zones.

Observed surface forms (3)

Surface form As subject As object
UTC 0 10
Coordinated Universal Time (UTC) 0 2
international time standard UTC 0 1

Statements (51)

Predicate Object
instanceOf time scale →
time standard →
abbreviation Coordinated Universal Time self-linksurface differs →
surface form: UTC
basedOn International Atomic Time →
basisFor civil time →
most civil time zones →
category standards →
timekeeping →
coordinatedWith Earth rotation →
International Atomic Time →
definedBy International Bureau of Weights and Measures →
International Telecommunication Union →
differenceFromTAI integer number of seconds →
formalAdoptionYear 1972 →
fullName Coordinated Universal Time self-link →
governingBody International Earth Rotation and Reference Systems Service →
introducedInYear 1960s →
ISOStandard ISO 8601 →
languageIndependentAbbreviation UTC →
leapSecondAdjustment 1 second →
leapSecondDecisionBy International Earth Rotation and Reference Systems Service →
leapSecondPurpose to keep UTC close to mean solar time →
maintainedBy International Bureau of Weights and Measures →
surface form: Bureau International des Poids et Mesures

International Bureau of Weights and Measures →
national time laboratories →
notAdjustedFor daylight saving time →
offsetRangeOfTimeZones from UTC−12:00 to UTC+14:00 →
primaryUse global time standard →
regulation of clocks and time worldwide →
referenceLocation Maritime Greenwich →
surface form: Greenwich Observatory
referenceMeridian Prime Meridian →
relatedTo Greenwich Mean Time →
replaced Greenwich Mean Time as international time standard →
representedInISO8601 trailing Z suffix →
successorOf Greenwich Mean Time →
symbol UTC →
timeOffsetReference UTC+00:00 →
zero offset →
timeScaleType atomic time scale →
timeZoneDesignation UTC±hh:mm →
usedAs reference for time zones →
usedBy most countries →
usedFor aviation timekeeping →
financial market time-stamping →
global positioning systems →
internet time synchronization →
maritime navigation →
satellite communication systems →
scientific observations →
usesLeapSeconds true →
ZNotationMeaning Zulu time →

Referenced by (52)

Full triples — surface form annotated when it differs from this entity's canonical label.

Coordinated Universal Time → abbreviation → Coordinated Universal Time self-linksurface differs →
this entity surface form: UTC
Zulu time → abbreviation → Coordinated Universal Time →
this entity surface form: UTC
Timor Leste Time → baseTimeStandard → Coordinated Universal Time →
Irish Standard Time → basedOn → Coordinated Universal Time →
Mexico Time Zones → basedOn → Coordinated Universal Time →
Philippine Standard Time → basedOn → Coordinated Universal Time →
Greenwich Mean Time → basisFor → Coordinated Universal Time →
Samoa Time Zone → clocksSetRelativeTo → Coordinated Universal Time →
subject surface form: United States Naval Observatory
CST → coordinatedWith → Coordinated Universal Time →
Central Africa Time → coordinatedWith → Coordinated Universal Time →
this entity surface form: UTC
Eastern European Time → coordinatedWith → Coordinated Universal Time →
Moscow Time → coordinatedWith → Coordinated Universal Time →
West Africa Time (WAT) → coordinatedWith → Coordinated Universal Time →
subject surface form: West Africa Time
this entity surface form: international time standard UTC
Zulu time → correspondsTo → Coordinated Universal Time →
East Africa Time → definedRelativeTo → Coordinated Universal Time →
Australian Eastern Standard Time → follows → Coordinated Universal Time →
Ecuador Time → follows → Coordinated Universal Time →
Hawaii–Aleutian Standard Time → follows → Coordinated Universal Time →
Korea Standard Time → follows → Coordinated Universal Time →
Central European Time → followsStandard → Coordinated Universal Time →
New Zealand Standard Time → followsStandard → Coordinated Universal Time →
Coordinated Universal Time → fullName → Coordinated Universal Time self-link →
GMT → historicallyReplacedBy → Coordinated Universal Time →
Gulf Standard Time → isAheadOf → Coordinated Universal Time →
subject surface form: Yakutsk Time
this entity surface form: UTC
Easter Island Standard Time → isOffsetFrom → Coordinated Universal Time →
CET → isOneHourAheadOf → Coordinated Universal Time →
this entity surface form: UTC
Central European Time → isOneHourAheadOf → Coordinated Universal Time →
NST → isWestOf → Coordinated Universal Time →
this entity surface form: UTC
International Atomic Time → referenceFor → Coordinated Universal Time →
International Atomic Time → referenceFor → Coordinated Universal Time →
this entity surface form: UTC
International Date Line → referenceSystem → Coordinated Universal Time →
BST → relatedConcept → Coordinated Universal Time →
British Summer Time → relatedConcept → Coordinated Universal Time →
Prime Meridian → relatedConcept → Coordinated Universal Time →
National Standard Time → relatedStandard → Coordinated Universal Time →
this entity surface form: Coordinated Universal Time (UTC)
Pakistan Standard Time → relatedStandard → Coordinated Universal Time →
YAKT → relatedTimeStandard → Coordinated Universal Time →
this entity surface form: UTC
GMT → relatedTo → Coordinated Universal Time →
this entity surface form: UTC
International Date Line → relatedTo → Coordinated Universal Time →
Israel Standard Time → relatedTo → Coordinated Universal Time →
Greenwich Mean Time → replacedBy → Coordinated Universal Time →
North American time zones → standardizedBy → Coordinated Universal Time →
Western European Summer Time → timeAheadOf → Coordinated Universal Time →
National Standard Time → timeScale → Coordinated Universal Time →
PTP → timeScale → Coordinated Universal Time →
Irish Standard Time → timeScaleReference → Coordinated Universal Time →
this entity surface form: Coordinated Universal Time (UTC)
Mountain Time in Mexico → timeStandard → Coordinated Universal Time →
PST → timeStandard → Coordinated Universal Time →
subject surface form: Pacific Standard Time