Newfoundland Time Zone
E7286
The Newfoundland Time Zone is a unique North American time zone centered on the Canadian island of Newfoundland, notable for its unusual half-hour offset from standard hour-based time zones.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Newfoundland Time Zone canonical | 39 |
| Newfoundland Daylight Time | 5 |
| Newfoundland Standard Time | 2 |
| Newfoundland Time | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T76519 — 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: Newfoundland Time Zone Context triple: [North American time zones, includesTimeZone, Newfoundland Time Zone]
-
A.
Alaska Time Zone
The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
-
B.
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.
-
C.
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.
-
D.
Time Canada
Time Canada was the Canadian regional edition of the American news magazine Time, tailored with content and coverage for Canadian readers.
-
E.
Bermuda (United Kingdom)
Bermuda (United Kingdom) is a British Overseas Territory in the North Atlantic Ocean known for its subtropical climate, pink-sand beaches, and status as an international financial center.
- 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: Newfoundland Time Zone Target entity description: The Newfoundland Time Zone is a unique North American time zone centered on the Canadian island of Newfoundland, notable for its unusual half-hour offset from standard hour-based time zones.
-
A.
Alaska Time Zone
The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
-
B.
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.
-
C.
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.
-
D.
Time Canada
Time Canada was the Canadian regional edition of the American news magazine Time, tailored with content and coverage for Canadian readers.
-
E.
Bermuda (United Kingdom)
Bermuda (United Kingdom) is a British Overseas Territory in the North Atlantic Ocean known for its subtropical climate, pink-sand beaches, and status as an international financial center.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
time standard
ⓘ
time zone ⓘ |
| abbreviationDST | NDT ⓘ |
| abbreviationStandard | NST ⓘ |
| appliesToRegion |
Newfoundland and Labrador
ⓘ
island of Newfoundland ⓘ southeastern Labrador ⓘ |
| classification | North American time zone ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| DSTEndPattern | first Sunday in November ⓘ |
| DSTName |
Newfoundland Time Zone
self-linksurface differs
ⓘ
surface form:
Newfoundland Daylight Time
|
| DSTObserved | yes ⓘ |
| DSTStartPattern | second Sunday in March ⓘ |
| governingAuthority |
Canadian federal government (Ottawa)
ⓘ
surface form:
Government of Canada
Government of Newfoundland and Labrador ⓘ |
| hasLocalName |
Newfoundland Time Zone
self-linksurface differs
ⓘ
surface form:
Newfoundland Time
|
| historicalReason | reflects local solar time of St. John’s ⓘ |
| IANAZoneIdentifier | America/St_Johns ⓘ |
| isDaylightSavingShift | 1 hour ⓘ |
| isHalfHourTimeZone | yes ⓘ |
| isOffsetFromNeighboringZone | 30 minutes ⓘ |
| isUniqueWithinCountry | yes ⓘ |
| legalJurisdiction |
Newfoundland and Labrador
ⓘ
surface form:
province of Newfoundland and Labrador
|
| notableFeature | half-hour offset from neighboring time zones ⓘ |
| observedBy |
residents of Newfoundland
ⓘ
residents of southeastern Labrador ⓘ |
| offsetFromAtlanticStandardTime | +0:30 ⓘ |
| offsetFromCoordinatedUniversalTimeDST | −2:30 ⓘ |
| offsetFromCoordinatedUniversalTimeStandard | −3:30 ⓘ |
| offsetFromEasternStandardTime | +1:30 ⓘ |
| regionType | subnational time zone ⓘ |
| relatedTimeZone |
Atlantic Time Zone
ⓘ
Eastern Time Zone ⓘ |
| standardTimeName |
Newfoundland Time Zone
self-linksurface differs
ⓘ
surface form:
Newfoundland Standard Time
|
| timeChangeRule | follows Canadian federal DST rules ⓘ |
| usedInCity |
Corner Brook
ⓘ
Gander ⓘ St. John’s ⓘ |
| usesClockSystem |
12-hour clock in common use
ⓘ
24-hour clock in official and technical contexts ⓘ |
| UTCOffsetDST | UTC−02:30 ⓘ |
| UTCOffsetStandard | UTC−03:30 ⓘ |
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: Newfoundland Time Zone Description of subject: The Newfoundland Time Zone is a unique North American time zone centered on the Canadian island of Newfoundland, notable for its unusual half-hour offset from standard hour-based time zones.
Referenced by (48)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Newfoundland Daylight Time
this entity surface form:
Newfoundland Standard Time
this entity surface form:
Newfoundland Time
subject surface form:
Harbour Grace
this entity surface form:
Newfoundland Daylight Time
this entity surface form:
Newfoundland Daylight Time
this entity surface form:
Newfoundland Daylight Time
this entity surface form:
Newfoundland Time
subject surface form:
Eastern Newfoundland
this entity surface form:
Newfoundland Daylight Time
subject surface form:
Cape Spear
subject surface form:
Deer Lake Regional Airport