Universal Time 2
E497214
Universal Time 2 (UT2) is an obsolete, refined form of Universal Time that applied seasonal corrections to account for variations in Earth's rotation for more uniform civil timekeeping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Universal Time 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5150776 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Universal Time 2 Context triple: [Terrestrial Time, distinctFrom, Universal Time 2]
-
A.
Tempi
Tempi is a municipality in the Thessaly region of central Greece, known for its scenic location near the Vale of Tempe and along the Pinios River.
-
B.
The Time
The Time is a funk and R&B band from Minneapolis best known for its close association with Prince and its prominent role in the early 1980s Minneapolis sound.
-
C.
T.I.M.E.
T.I.M.E. is an international association of leading engineering and technology universities that collaborates on joint programs, double degrees, and academic exchanges.
-
D.
Ubique
Ubique is a Latin word meaning "everywhere," famously used as the motto of the Royal Regiment of Artillery and the Corps of Royal Engineers to signify their presence in all major battles.
-
E.
Tuttomondo
Tuttomondo is a large, colorful public mural in Pisa, Italy, created by American artist Keith Haring in 1989 and depicting his signature stylized human figures.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Universal Time 2 Target entity description: Universal Time 2 (UT2) is an obsolete, refined form of Universal Time that applied seasonal corrections to account for variations in Earth's rotation for more uniform civil timekeeping.
-
A.
Tempi
Tempi is a municipality in the Thessaly region of central Greece, known for its scenic location near the Vale of Tempe and along the Pinios River.
-
B.
The Time
The Time is a funk and R&B band from Minneapolis best known for its close association with Prince and its prominent role in the early 1980s Minneapolis sound.
-
C.
T.I.M.E.
T.I.M.E. is an international association of leading engineering and technology universities that collaborates on joint programs, double degrees, and academic exchanges.
-
D.
Ubique
Ubique is a Latin word meaning "everywhere," famously used as the motto of the Royal Regiment of Artillery and the Corps of Royal Engineers to signify their presence in all major battles.
-
E.
Tuttomondo
Tuttomondo is a large, colorful public mural in Pisa, Italy, created by American artist Keith Haring in 1989 and depicting his signature stylized human figures.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
obsolete time standard
ⓘ
refined form of Universal Time ⓘ time scale ⓘ |
| accountsFor | variations in Earth's rotation ⓘ |
| alsoKnownAs | UT2 ⓘ |
| appliesTo | civil timekeeping ⓘ |
| basedOn |
Universal Time
ⓘ
linked to:
Coordinated Universal Time
|
| category |
Earth-rotation time scale
ⓘ
astronomical time scale ⓘ |
| comparedTo | UT1 ⓘ |
| correctionType |
annual and semiannual terms
ⓘ
seasonal variation correction ⓘ |
| definedBy | International Astronomical Union ⓘ |
| differenceFrom | UT1 plus empirical seasonal terms ⓘ |
| era | mid 20th century ⓘ |
| goal | to smooth irregularities in Earth's rotation ⓘ |
| measures | Earth rotation-based time ⓘ |
| partOf | Universal Time family ⓘ |
| purpose | to provide more uniform civil timekeeping ⓘ |
| referenceMeridian |
Greenwich meridian
ⓘ
linked to:
Prime Meridian
|
| refines |
UT0
ⓘ
UT1 ⓘ |
| replacedBy |
Coordinated Universal Time
ⓘ
UTC ⓘ
linked to:
GMT
|
| status | obsolete ⓘ |
| timeStandardType | mean solar time at Greenwich with corrections ⓘ |
| usedIn |
astronomy
ⓘ
geodesy ⓘ timekeeping ⓘ |
| uses |
empirical corrections for Earth rotation
ⓘ
seasonal corrections ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Universal Time 2 Description of subject: Universal Time 2 (UT2) is an obsolete, refined form of Universal Time that applied seasonal corrections to account for variations in Earth's rotation for more uniform civil timekeeping.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.