Central Time Zone
E15434
The Central Time Zone is a North American time zone that covers much of the central United States and parts of Canada and Mexico, typically six hours behind Coordinated Universal Time (UTC−6) and observing daylight saving time.
All labels observed (33)
How this entity was disambiguated
This entity first appeared as the object of triple T5500 — 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: Central Time Zone Context triple: [Chicago, Illinois, United States, timeZone, Central Time Zone]
-
A.
Eastern Time Zone
The Eastern Time Zone is a standard time zone used by the eastern portion of North America, including major U.S. cities such as New York and Washington, D.C.
-
B.
Pacific Time Zone
The Pacific Time Zone is a North American time zone that covers the U.S. West Coast and parts of Canada and Mexico, typically eight hours behind Coordinated Universal Time (UTC−8) and observing daylight saving time.
-
C.
North American time zones
North American time zones are the standardized regional time divisions used across countries in North America, including zones such as Eastern, Central, Mountain, and Pacific Time.
-
D.
Georgia Standard Time
Georgia Standard Time is the time zone used throughout the country of Georgia, set at UTC+4 with no daylight saving time.
-
E.
Central European Summer Time
Central European Summer Time is the daylight saving time observed by many central European countries, running one hour ahead of Central European Time during the summer months.
- 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: Central Time Zone Target entity description: The Central Time Zone is a North American time zone that covers much of the central United States and parts of Canada and Mexico, typically six hours behind Coordinated Universal Time (UTC−6) and observing daylight saving time.
-
A.
Eastern Time Zone
The Eastern Time Zone is a standard time zone used by the eastern portion of North America, including major U.S. cities such as New York and Washington, D.C.
-
B.
Pacific Time Zone
The Pacific Time Zone is a North American time zone that covers the U.S. West Coast and parts of Canada and Mexico, typically eight hours behind Coordinated Universal Time (UTC−8) and observing daylight saving time.
-
C.
North American time zones
North American time zones are the standardized regional time divisions used across countries in North America, including zones such as Eastern, Central, Mountain, and Pacific Time.
-
D.
Georgia Standard Time
Georgia Standard Time is the time zone used throughout the country of Georgia, set at UTC+4 with no daylight saving time.
-
E.
Central European Summer Time
Central European Summer Time is the daylight saving time observed by many central European countries, running one hour ahead of Central European Time during the summer months.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | time zone ⓘ |
| adjacentTimeZoneEast | Eastern Time Zone ⓘ |
| adjacentTimeZoneWest | Mountain Time Zone ⓘ |
| alsoKnownAs |
CDT
ⓘ
CST ⓘ Central Time Zone ⓘ
surface form:
Central Daylight Time
Central Time Zone ⓘ
surface form:
Central Standard Time
|
| continent | North America ⓘ |
| country |
Belize
ⓘ
Canada ⓘ Costa Rica ⓘ El Salvador ⓘ Guatemala ⓘ Honduras ⓘ Mexico ⓘ Nicaragua ⓘ Panama ⓘ United States of America ⓘ
surface form:
United States
|
| coversRegion |
central United States
ⓘ
parts of Canada ⓘ parts of Mexico ⓘ |
| daylightAbbreviation | CDT ⓘ |
| DSTNotObservedIn |
most of Saskatchewan
ⓘ
some parts of Central America ⓘ |
| followsDSTRule | second Sunday in March to first Sunday in November (most U.S. and Canada areas) ⓘ |
| governingBodyForRules |
Canadian provincial governments
ⓘ
Government of Mexico ⓘ
surface form:
Mexican federal government
United States Department of Transportation ⓘ
surface form:
U.S. Department of Transportation
|
| IANAIdentifier |
America/Bahia_Banderas
ⓘ
America/Belize ⓘ Central Time Zone self-linksurface differs ⓘ
surface form:
America/Chicago
America/Costa_Rica ⓘ America/El_Salvador ⓘ America/Guatemala ⓘ America/Managua ⓘ America/Matamoros ⓘ America/Merida ⓘ America/Mexico_City ⓘ America/Monterrey ⓘ America/Rankin_Inlet ⓘ America/Regina ⓘ America/Tegucigalpa ⓘ America/Winnipeg ⓘ |
| observes | daylight saving time ⓘ |
| standardAbbreviation | CST ⓘ |
| timeInSummer | five hours behind Coordinated Universal Time ⓘ |
| timeInWinter | six hours behind Coordinated Universal Time ⓘ |
| usedFor | civil timekeeping ⓘ |
| UTCOffsetDST | UTC−05:00 ⓘ |
| UTCOffsetStandard | UTC−06:00 ⓘ |
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: Central Time Zone Description of subject: The Central Time Zone is a North American time zone that covers much of the central United States and parts of Canada and Mexico, typically six hours behind Coordinated Universal Time (UTC−6) and observing daylight saving time.
Referenced by (19,884)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Central Daylight Time
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
subject surface form:
Cass County, Iowa
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time
subject surface form:
Mason City, Iowa
subject surface form:
Mason City, Iowa
this entity surface form:
Central Daylight Time
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time
this entity surface form:
Central Standard Time
this entity surface form:
Central Daylight Time