Eastern Standard Time (Mexico)
E823037
Eastern Standard Time (Mexico) is a time zone observed in parts of southeastern Mexico, including areas such as Quintana Roo, that aligns with UTC−5 year-round without daylight saving time.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T9827476 — 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: Eastern Standard Time (Mexico) Context triple: [Solidaridad Municipality, usesTimeZone, Eastern Standard Time (Mexico)]
-
A.
Eastern Standard Time (Panama)
Eastern Standard Time (Panama) is the year-round time standard used in Panama, corresponding to UTC−5 without daylight saving time.
-
B.
America/Monterrey
America/Monterrey is the IANA time zone identifier representing local time for Monterrey and parts of northeastern Mexico that observe Central Time.
-
C.
Eastern Standard Time (Caribbean)
Eastern Standard Time (Caribbean) is a time zone used by several Caribbean locations that aligns with the standard time observed on the east coast of North America.
-
D.
Chatham Daylight Time
Chatham Daylight Time is the daylight saving time observed in New Zealand’s Chatham Islands, running 45 minutes ahead of New Zealand Daylight Time.
-
E.
America/Matamoros
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.
- 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: Eastern Standard Time (Mexico) Target entity description: Eastern Standard Time (Mexico) is a time zone observed in parts of southeastern Mexico, including areas such as Quintana Roo, that aligns with UTC−5 year-round without daylight saving time.
-
A.
Eastern Standard Time (Panama)
Eastern Standard Time (Panama) is the year-round time standard used in Panama, corresponding to UTC−5 without daylight saving time.
-
B.
America/Monterrey
America/Monterrey is the IANA time zone identifier representing local time for Monterrey and parts of northeastern Mexico that observe Central Time.
-
C.
Eastern Standard Time (Caribbean)
Eastern Standard Time (Caribbean) is a time zone used by several Caribbean locations that aligns with the standard time observed on the east coast of North America.
-
D.
Chatham Daylight Time
Chatham Daylight Time is the daylight saving time observed in New Zealand’s Chatham Islands, running 45 minutes ahead of New Zealand Daylight Time.
-
E.
America/Matamoros
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | time zone ⓘ |
| alignedWithTimeZone | Eastern Standard Time (North America) during standard time ⓘ |
| category |
Time in Mexico
ⓘ
UTC−05:00 time zones ⓘ |
| country | Mexico ⓘ |
| DSTOffset | UTC−05:00 ⓘ |
| DSTPolicy | no daylight saving time year-round ⓘ |
| hasAbbreviation | EST (context: Mexico) ⓘ |
| IANAZone | America/Cancun ⓘ |
| introducedToAlignWith |
U.S. East Coast time
ⓘ
linked to:
Eastern Time Zone
|
| legalStatus | federally recognized Mexican time zone ⓘ |
| notObservedIn | most other Mexican states ⓘ |
| observedYearRound | yes ⓘ |
| observesDaylightSavingTime | no ⓘ |
| offsetFromCoordinatedUniversalTime | −5 hours ⓘ |
| previousTimeZoneInQuintanaRoo | Central Standard Time (Mexico) ⓘ |
| regionType | civil time ⓘ |
| synchronizationTarget |
New York time (outside U.S. DST)
ⓘ
Toronto time (outside Canadian DST) ⓘ |
| timeNotation |
12-hour clock (common)
ⓘ
24-hour clock (official) ⓘ |
| timeZoneGroup | Mexican federal time zones ⓘ |
| typicalUse |
airline and flight schedules
ⓘ
broadcast scheduling ⓘ business hours coordination with eastern North America ⓘ tourism industry scheduling ⓘ |
| usedFor | official civil time in Quintana Roo ⓘ |
| usedInRegion | southeastern Mexico ⓘ |
| usedInState | Quintana Roo ⓘ |
| UTCOffset | UTC−05:00 ⓘ |
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: Eastern Standard Time (Mexico) Description of subject: Eastern Standard Time (Mexico) is a time zone observed in parts of southeastern Mexico, including areas such as Quintana Roo, that aligns with UTC−5 year-round without daylight saving time.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Eastern Standard Time (Mexico)
linked to: Eastern Standard Time (Mexico)
linked to: Eastern Standard Time (Mexico)
subject linked to:
Benito Juárez
linked to: Eastern Standard Time (Mexico)
linked to: Eastern Standard Time (Mexico)