Shepherd Gate Clock
E900752
The Shepherd Gate Clock is a historic 24-hour public clock at the Royal Observatory in Greenwich that was among the first to display Greenwich Mean Time to the public.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Shepherd Gate Clock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11038276 — 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: Shepherd Gate Clock Context triple: [Royal Observatory, Greenwich, notableInstrument, Shepherd Gate Clock]
-
A.
Eastgate Clock
The Eastgate Clock is a prominent Victorian-era clock tower in Chester, England, often cited as one of the most photographed clocks in the United Kingdom after Big Ben.
-
B.
Albert Memorial Clock
The Albert Memorial Clock is a prominent 19th-century clock tower and landmark in central Belfast, built in Gothic style to commemorate Prince Albert.
-
C.
Master Humphrey's Clock
Master Humphrey's Clock was a 19th-century weekly periodical by Charles Dickens that serialized several of his works, including the novel Barnaby Rudge.
-
D.
Great Clock of Westminster
The Great Clock of Westminster is the iconic 19th-century clock mechanism that powers the famous Big Ben tower clock at the Palace of Westminster in London.
-
E.
Ayer Mill Clock Tower
The Ayer Mill Clock Tower is a historic mill clock tower in Lawrence, Massachusetts, known for its large clock faces and as a prominent symbol of the city’s industrial past.
- 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: Shepherd Gate Clock Target entity description: The Shepherd Gate Clock is a historic 24-hour public clock at the Royal Observatory in Greenwich that was among the first to display Greenwich Mean Time to the public.
-
A.
Eastgate Clock
The Eastgate Clock is a prominent Victorian-era clock tower in Chester, England, often cited as one of the most photographed clocks in the United Kingdom after Big Ben.
-
B.
Albert Memorial Clock
The Albert Memorial Clock is a prominent 19th-century clock tower and landmark in central Belfast, built in Gothic style to commemorate Prince Albert.
-
C.
Master Humphrey's Clock
Master Humphrey's Clock was a 19th-century weekly periodical by Charles Dickens that serialized several of his works, including the novel Barnaby Rudge.
-
D.
Great Clock of Westminster
The Great Clock of Westminster is the iconic 19th-century clock mechanism that powers the famous Big Ben tower clock at the Palace of Westminster in London.
-
E.
Ayer Mill Clock Tower
The Ayer Mill Clock Tower is a historic mill clock tower in Lawrence, Massachusetts, known for its large clock faces and as a prominent symbol of the city’s industrial past.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
24-hour clock
ⓘ
electric clock ⓘ historical object ⓘ public clock ⓘ |
| associatedWith |
Greenwich Mean Time
ⓘ
Royal Observatory time service ⓘ
linked to:
Royal Observatory, Greenwich
standardization of time zones ⓘ |
| connectedBy | underground cables to the master clock ⓘ |
| connectedTo | Shepherd master clock inside the Royal Observatory ⓘ |
| coordinateSystem | 24-hour time notation ⓘ |
| country | United Kingdom ⓘ |
| dialType | 24-hour dial ⓘ |
| displays | Greenwich Mean Time ⓘ |
| displayType | analog ⓘ |
| era | Victorian era ⓘ |
| follows | mean solar time at Greenwich ⓘ |
| hasFeature |
Roman numerals arranged for 24-hour time
ⓘ
fixed metal hands ⓘ shows 24 hours from midnight at top to 23 at near-complete circle ⓘ white dial with black numerals ⓘ |
| hasInscription | Shepherd Patentee, 53 Leadenhall Street, London ⓘ |
| hasRestoration | periodically maintained and restored by Royal Museums Greenwich ⓘ |
| heritageStatus | part of a UNESCO World Heritage Site at Maritime Greenwich ⓘ |
| inception | 1852 ⓘ |
| locatedIn |
Greenwich
ⓘ
London ⓘ
linked to:
London, England
Royal Observatory, Greenwich ⓘ United Kingdom ⓘ |
| maker | Shepherd of Leadenhall Street, London ⓘ |
| manufacturer | Charles Shepherd ⓘ |
| material | metal dial ⓘ |
| mountingLocation | outer wall of the Royal Observatory gate ⓘ |
| operatedBy | Royal Observatory, Greenwich ⓘ |
| ownedBy | Royal Museums Greenwich ⓘ |
| partOf | time-distribution system of the Royal Observatory ⓘ |
| position | outside the main gate of the Royal Observatory, Greenwich ⓘ |
| poweredBy | electric master clock system ⓘ |
| significance |
early example of an electrically driven public clock
ⓘ
helped standardize time in Britain ⓘ one of the first clocks to show Greenwich Mean Time to the public ⓘ |
| timeStandardDisplayed | GMT ⓘ |
| touristAttraction | yes ⓘ |
| usedFor |
public timekeeping
ⓘ
reference for setting watches and clocks ⓘ |
| visibleFrom |
Greenwich Park entrance area
ⓘ
linked to:
Greenwich Park
|
| yearInstalled | 1852 ⓘ |
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: Shepherd Gate Clock Description of subject: The Shepherd Gate Clock is a historic 24-hour public clock at the Royal Observatory in Greenwich that was among the first to display Greenwich Mean Time to the public.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.