Japan Standard Time
E2133
Japan Standard Time is the standard time zone used throughout Japan, set at nine hours ahead of Coordinated Universal Time (UTC+9) without daylight saving time.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Japan Standard Time canonical | 2,918 |
| Asia/Tokyo | 3 |
| Japan Standard Time zone | 3 |
| Korea Standard Time | 3 |
| 日本標準時 | 2 |
| Japan Standard Time (retroactively applied) | 1 |
| Philippine Time | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8773 — 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: Japan Standard Time Context triple: [Japan, timeZone, Japan Standard Time]
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A.
Japan
Japan is an East Asian island nation in the Pacific Ocean known for its advanced technology, rich cultural heritage, and major cities such as Tokyo, Osaka, and Kyoto.
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B.
Chile Standard Time
Chile Standard Time is the primary time zone used in central Chile, including regions such as Coquimbo, typically set at UTC−4 hours.
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C.
Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
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D.
Osaka Prefecture
Osaka Prefecture is a populous and economically vital region in Japan’s Kansai area, centered on the city of Osaka and known as a major hub of commerce, industry, and culture.
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E.
Sea of Japan
The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
- 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: Japan Standard Time Target entity description: Japan Standard Time is the standard time zone used throughout Japan, set at nine hours ahead of Coordinated Universal Time (UTC+9) without daylight saving time.
-
A.
Japan
Japan is an East Asian island nation in the Pacific Ocean known for its advanced technology, rich cultural heritage, and major cities such as Tokyo, Osaka, and Kyoto.
-
B.
Kansai region
The Kansai region is a major cultural and economic area of western Japan that includes cities such as Osaka, Kyoto, and Kobe and is known as a historic heartland of Japanese civilization.
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C.
Chamorro Standard Time
Chamorro Standard Time is the time zone used in Guam and the Northern Mariana Islands, corresponding to UTC+10:00.
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D.
Chile Standard Time
Chile Standard Time is the primary time zone used in central Chile, including regions such as Coquimbo, typically set at UTC−4 hours.
-
E.
Central European Time
Central European Time is a standard time zone used by many countries in central and western Europe, typically one hour ahead of Coordinated Universal Time (UTC+1).
- F. None of above. chosen
Statements (48)
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: Japan Standard Time Description of subject: Japan Standard Time is the standard time zone used throughout Japan, set at nine hours ahead of Coordinated Universal Time (UTC+9) without daylight saving time.
Referenced by (2,931)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Japan Standard Time zone
subject surface form:
Nagatachō
subject surface form:
Nishinomiya
subject surface form:
Omihachiman
subject surface form:
Vladivostok Time
subject surface form:
Faculty of Letters, University of Tokyo
subject surface form:
Faculty of Agriculture, The University of Tokyo
this entity surface form:
Japan Standard Time zone