Chatham Daylight Time
E660087
Chatham Daylight Time is the daylight saving time observed in New Zealand’s Chatham Islands, running 45 minutes ahead of New Zealand Daylight Time.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chatham Daylight Time canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T7364713 — 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: Chatham Daylight Time Context triple: [Waitangi (Chatham Islands), timezoneDST, Chatham Daylight Time]
-
A.
Chatham Standard Time
Chatham Standard Time is a time zone used in New Zealand’s Chatham Islands, offset by UTC+12:45 and distinct for its unusual 45-minute difference from most other time zones.
-
B.
Alaska Daylight Time
Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
-
C.
Atlantic Time Zone
The Atlantic Time Zone is a North American time zone used in eastern Canada and parts of the Caribbean, typically one hour ahead of Eastern Time.
-
D.
Coast Daylight
Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
-
E.
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.
- 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: Chatham Daylight Time Target entity description: Chatham Daylight Time is the daylight saving time observed in New Zealand’s Chatham Islands, running 45 minutes ahead of New Zealand Daylight Time.
-
A.
Chatham Standard Time
Chatham Standard Time is a time zone used in New Zealand’s Chatham Islands, offset by UTC+12:45 and distinct for its unusual 45-minute difference from most other time zones.
-
B.
Alaska Daylight Time
Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
-
C.
Atlantic Time Zone
The Atlantic Time Zone is a North American time zone used in eastern Canada and parts of the Caribbean, typically one hour ahead of Eastern Time.
-
D.
Coast Daylight
Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
-
E.
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.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | time zone ⓘ |
| appliesTo | Chatham Islands ⓘ |
| country | New Zealand ⓘ |
| DSTRelativeToChathamStandardTimeInMinutes | +60 ⓘ |
| DSTRelativeToLocalStandardTime | +1 hour ⓘ |
| DSTRelativeToNZDTInMinutes | +45 ⓘ |
| DSTRelativeToNZSTInMinutes | +105 ⓘ |
| DSTType | summer time ⓘ |
| hasUniqueOffsetIncrement | 45 minutes ⓘ |
| hemisphere | Southern Hemisphere ⓘ |
| IANAZoneExample | Pacific/Chatham ⓘ |
| isMinorityTimeZoneWithinCountry | true ⓘ |
| observedInTerritoryOf | Realm of New Zealand ⓘ |
| observesDaylightSaving | true ⓘ |
| offsetFromUTCInMinutes | +825 ⓘ |
| partOf | New Zealand time zone system ⓘ |
| region | Pacific Ocean ⓘ |
| standardTimeCounterpart | Chatham Standard Time ⓘ |
| timeNotation | 24-hour clock ⓘ |
| timeOffsetFromChathamStandardTime | +01:00 ⓘ |
| timeOffsetFromNewZealandDaylightTime | +00:45 ⓘ |
| timeOffsetFromNewZealandStandardTime | +01:45 ⓘ |
| typicalEndMonth | April ⓘ |
| typicalStartMonth | September ⓘ |
| usedBy |
Chatham Island
ⓘ
linked to:
Chatham Islands
Pitt Island ⓘ |
| usesDaylightSavingScheduleOf | New Zealand ⓘ |
| UTCOffset | +13:45 ⓘ |
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: Chatham Daylight Time Description of subject: Chatham Daylight Time is the daylight saving time observed in New Zealand’s Chatham Islands, running 45 minutes ahead of New Zealand Daylight Time.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.