Australian Central Daylight Time
E59448
Australian Central Daylight Time is the daylight saving time zone used in parts of central Australia, including South Australia and the Northern Territory, during the summer months.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Australian Central Daylight Time canonical | 43 |
| Central Daylight Time (Australia) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T467543 — 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: Australian Central Daylight Time Context triple: [Australian Central Standard Time, daylightSavingTimeVariant, Australian Central Daylight Time]
-
A.
Australian Eastern Daylight Time
Australian Eastern Daylight Time is the daylight saving time observed in parts of eastern Australia, including New South Wales, typically at UTC+11.
-
B.
Australian Central Standard Time
Australian Central Standard Time is the standard time zone used in central regions of Australia, typically 9 hours and 30 minutes ahead of Coordinated Universal Time (UTC+9:30).
-
C.
Australian Western Standard Time
Australian Western Standard Time is the standard time zone used in Western Australia, typically observed at UTC+8 hours.
-
D.
Australian Eastern Standard Time
Australian Eastern Standard Time is the standard time zone used in eastern Australia, including major regions such as New South Wales and Queensland, typically 10 hours ahead of Coordinated Universal Time (UTC+10).
-
E.
New Zealand Daylight Time
New Zealand Daylight Time is the daylight saving time zone used in New Zealand, typically observed during the Southern Hemisphere 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: Australian Central Daylight Time Target entity description: Australian Central Daylight Time is the daylight saving time zone used in parts of central Australia, including South Australia and the Northern Territory, during the summer months.
-
A.
Australian Eastern Daylight Time
Australian Eastern Daylight Time is the daylight saving time observed in parts of eastern Australia, including New South Wales, typically at UTC+11.
-
B.
Australian Central Standard Time
Australian Central Standard Time is the standard time zone used in central regions of Australia, typically 9 hours and 30 minutes ahead of Coordinated Universal Time (UTC+9:30).
-
C.
Australian Western Standard Time
Australian Western Standard Time is the standard time zone used in Western Australia, typically observed at UTC+8 hours.
-
D.
Australian Eastern Standard Time
Australian Eastern Standard Time is the standard time zone used in eastern Australia, including major regions such as New South Wales and Queensland, typically 10 hours ahead of Coordinated Universal Time (UTC+10).
-
E.
New Zealand Daylight Time
New Zealand Daylight Time is the daylight saving time zone used in New Zealand, typically observed during the Southern Hemisphere summer months.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
daylight saving time
ⓘ
time zone ⓘ |
| abbreviation | ACDT ⓘ |
| appliesToCity |
Adelaide
ⓘ
City of Broken Hill ⓘ
surface form:
Broken Hill
|
| appliesToLatitudeBand | mid-latitude central Australia ⓘ |
| category |
Time in Australia
ⓘ
Time zones ⓘ |
| coincidesWith | UTC+10:30 offset used in South Australia during summer ⓘ |
| country | Australia ⓘ |
| DSTRelativeToUTC | UTC+10:30 during daylight saving ⓘ |
| DSTShiftAmount | +1 hour ⓘ |
| governingJurisdictionForRules | state and territory governments of Australia ⓘ |
| hasDSTComponent | yes ⓘ |
| IANAZoneExample |
Australia/Adelaide
ⓘ
Broken Hill region of New South Wales ⓘ
surface form:
Australia/Broken_Hill
|
| isNinetyMinutesAheadOf | Australian Western Standard Time ⓘ |
| isOneHourAheadOf | Australian Eastern Standard Time during winter when ACDT is not in effect ⓘ |
| isThirtyMinutesBehind | Australian Eastern Daylight Time ⓘ |
| languageOfName | English ⓘ |
| notObservedInStateOrTerritory |
New South Wales
ⓘ
surface form:
New South Wales (most of state)
Northern Territory ⓘ Queensland ⓘ Tasmania ⓘ Western Australia ⓘ |
| observedInHemisphere | Southern Hemisphere ⓘ |
| observedInSeason | summer ⓘ |
| observedInStateOrTerritory |
Australian Capital Territory (enclaved within) (geographical context)
ⓘ
surface form:
Australian Capital Territory (for some cross-border administrative uses with SA, historically/indirectly)
Broken Hill region of New South Wales ⓘ
surface form:
New South Wales (Broken Hill region)
South Australia ⓘ Victoria (border communities aligned with SA, if any by local practice) ⓘ |
| offsetFromAustralianCentralStandardTime | +1:00 ⓘ |
| region |
Central Australia
ⓘ
surface form:
central Australia
|
| shortName |
Australian Central Daylight Time
self-linksurface differs
ⓘ
surface form:
Central Daylight Time (Australia)
|
| standardTimeCounterpart | Australian Central Standard Time ⓘ |
| timeNotation |
12-hour clock (common)
ⓘ
24-hour clock (official) ⓘ |
| typicalEndMonth | April ⓘ |
| typicalEndRule | first Sunday in April (most recent practice) ⓘ |
| typicalStartMonth | October ⓘ |
| typicalStartRule | first Sunday in October (most recent practice) ⓘ |
| usedFor | civil timekeeping ⓘ |
| usesDaylightSaving | true ⓘ |
| UTCOffset | +10:30 ⓘ |
| UTCOffsetHours | 10.5 ⓘ |
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: Australian Central Daylight Time Description of subject: Australian Central Daylight Time is the daylight saving time zone used in parts of central Australia, including South Australia and the Northern Territory, during the summer months.
Referenced by (44)
Full triples — surface form annotated when it differs from this entity's canonical label.
Australian Central Daylight Time
→
shortName
→
Australian Central Daylight Time
self-linksurface differs
ⓘ
this entity surface form:
Central Daylight Time (Australia)
subject surface form:
Maitland, South Australia
subject surface form:
Adelaide Airport