America/Matamoros
E93226
America/Matamoros is the IANA time zone identifier representing the local time observed in Matamoros, a city in northeastern Mexico near the U.S. border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| America/Matamoros canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T750435 — 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: America/Matamoros Context triple: [Central Time Zone, IANAIdentifier, America/Matamoros]
-
A.
America/Mexico_City
America/Mexico_City is the primary time zone used in Mexico City and much of central Mexico, corresponding to Central Standard Time with daylight saving adjustments.
-
B.
America/Belize
America/Belize is the IANA time zone identifier representing the standard time observed in Belize, corresponding to Central Standard Time without daylight saving changes.
-
C.
America/El_Salvador
America/El_Salvador is the IANA time zone identifier representing local time in El Salvador, which observes Central Standard Time year-round without daylight saving changes.
-
D.
America/Winnipeg
America/Winnipeg is the IANA time zone identifier representing the local time for Winnipeg, Manitoba, Canada, in the Central Time Zone.
-
E.
America/Managua
America/Managua is the IANA time zone identifier representing local time in Managua, the capital city of Nicaragua.
- 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: America/Matamoros Target entity description: America/Matamoros is the IANA time zone identifier representing the local time observed in Matamoros, a city in northeastern Mexico near the U.S. border.
-
A.
America/Mexico_City
America/Mexico_City is the primary time zone used in Mexico City and much of central Mexico, corresponding to Central Standard Time with daylight saving adjustments.
-
B.
America/Belize
America/Belize is the IANA time zone identifier representing the standard time observed in Belize, corresponding to Central Standard Time without daylight saving changes.
-
C.
America/El_Salvador
America/El_Salvador is the IANA time zone identifier representing local time in El Salvador, which observes Central Standard Time year-round without daylight saving changes.
-
D.
America/Winnipeg
America/Winnipeg is the IANA time zone identifier representing the local time for Winnipeg, Manitoba, Canada, in the Central Time Zone.
-
E.
America/Managua
America/Managua is the IANA time zone identifier representing local time in Managua, the capital city of Nicaragua.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
IANA time zone identifier
ⓘ
city ⓘ time zone ⓘ |
| areaComponent | America ⓘ |
| borderRegion |
U.S.–Mexico border
ⓘ
surface form:
US–Mexico border
|
| coordinatesApprox | 25.87N 97.50W ⓘ |
| country |
Mexico
ⓘ
Mexico ⓘ |
| DSTAlignment |
U.S.–Mexico border
ⓘ
surface form:
United States rules (post-2010s alignment for border region)
|
| format | Area/Location ⓘ |
| governingBody |
IANA time zone database
ⓘ
surface form:
IANA Time Zone Database
|
| IANAZoneDatabase |
zone.tab
ⓘ
zone1970.tab ⓘ |
| identifierType | tz database name ⓘ |
| linkedTo | timekeeping rules of Matamoros, Tamaulipas ⓘ |
| locatedIn |
Tamaulipas
ⓘ
northeastern Mexico ⓘ |
| locatedNear |
U.S.–Mexico border
ⓘ
surface form:
United States border
|
| locationComponent | Matamoros ⓘ |
| observesDST | true ⓘ |
| offsetDSTApprox | UTC−05:00 ⓘ |
| offsetStandardApprox | UTC−06:00 ⓘ |
| primaryCity | Matamoros ⓘ |
| region | North America ⓘ |
| representsTimeIn | Matamoros ⓘ |
| timeStandard |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
Central Time Zone ⓘ
surface form:
Central Standard Time
|
| usedFor | local civil time in Matamoros ⓘ |
| usedIn |
computer systems
ⓘ
operating systems ⓘ programming languages ⓘ |
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: America/Matamoros Description of subject: America/Matamoros is the IANA time zone identifier representing the local time observed in Matamoros, a city in northeastern Mexico near the U.S. border.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.