Southern Hemisphere daylight saving times
E700487
Southern Hemisphere daylight saving times are the seasonal clock changes used in countries south of the equator, typically shifting clocks forward during their summer months to extend evening daylight.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Southern Hemisphere daylight saving times canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7901702 — 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: Southern Hemisphere daylight saving times Context triple: [IDT, isOppositeSeasonTo, Southern Hemisphere daylight saving times]
-
A.
Daylight Saving
"Daylight Saving" is a novel by Edward Hogan that blends psychological suspense with supernatural elements, following a troubled teenager who encounters a mysterious girl at a run-down holiday resort.
-
B.
Daylight saving time (United States)
Daylight saving time in the United States is a seasonal clock adjustment system in which most regions advance their clocks by one hour during warmer months to extend evening daylight and then return to standard time in the colder months.
-
C.
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.
-
D.
Chile Summer Time
Chile Summer Time is the daylight saving time period used in Chile, during which clocks are advanced one hour to provide extended evening daylight compared to standard time.
-
E.
Iran Daylight Time
Iran Daylight Time is the daylight saving time observed in Iran, advancing clocks one hour ahead of the country’s standard 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: Southern Hemisphere daylight saving times Target entity description: Southern Hemisphere daylight saving times are the seasonal clock changes used in countries south of the equator, typically shifting clocks forward during their summer months to extend evening daylight.
-
A.
Daylight Saving
"Daylight Saving" is a novel by Edward Hogan that blends psychological suspense with supernatural elements, following a troubled teenager who encounters a mysterious girl at a run-down holiday resort.
-
B.
Daylight saving time (United States)
Daylight saving time in the United States is a seasonal clock adjustment system in which most regions advance their clocks by one hour during warmer months to extend evening daylight and then return to standard time in the colder months.
-
C.
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.
-
D.
Chile Summer Time
Chile Summer Time is the daylight saving time period used in Chile, during which clocks are advanced one hour to provide extended evening daylight compared to standard time.
-
E.
Iran Daylight Time
Iran Daylight Time is the daylight saving time observed in Iran, advancing clocks one hour ahead of the country’s standard time during the summer months.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
daylight saving time system
ⓘ
timekeeping practice ⓘ |
| affectedBy |
energy policy considerations
ⓘ
public opinion ⓘ referendums and political decisions ⓘ |
| appliesTo | Southern Hemisphere ⓘ |
| contrastsWith | Northern Hemisphere daylight saving time ⓘ |
| criticizedFor |
disruption of sleep patterns
ⓘ
limited or uncertain energy savings ⓘ |
| effect | shifts one hour of daylight from morning to evening ⓘ |
| endSeason | autumn in the Southern Hemisphere ⓘ |
| governedBy | IANA time zone database rules for each region ⓘ |
| impact |
daily schedules
ⓘ
international business coordination ⓘ transport timetables ⓘ |
| legalBasis | national or subnational legislation ⓘ |
| notObservedIn |
Northern Territory
ⓘ
Queensland ⓘ Western Australia ⓘ |
| observedIn |
Argentina (historically)
ⓘ
linked to:
Argentina
Australia ⓘ Australian Capital Territory ⓘ Brazil (historically) ⓘ
linked to:
Republic of the United States of Brazil
Chile ⓘ Fiji (intermittently) ⓘ Namibia (historically) ⓘ
linked to:
Territory of South West Africa
New South Wales ⓘ New Zealand ⓘ Paraguay ⓘ Samoa (historically) ⓘ
linked to:
Samoa
South Australia ⓘ Tasmania ⓘ Uruguay (historically) ⓘ
linked to:
Uruguay
Victoria ⓘ |
| purpose | extend evening daylight during summer months ⓘ |
| requires | clock adjustments twice a year in participating regions ⓘ |
| season | austral summer ⓘ |
| startSeason | spring in the Southern Hemisphere ⓘ |
| supportedFor | providing more usable evening daylight ⓘ |
| timeOffsetPattern | DST months are roughly opposite to those in the Northern Hemisphere ⓘ |
| timeRelation |
is out of phase with Northern Hemisphere daylight saving time
ⓘ
overlaps with Northern Hemisphere winter ⓘ |
| typicalEndMonth |
April
ⓘ
March ⓘ |
| typicalShift | UTC+1 relative to standard time ⓘ |
| typicalStartMonth |
October
ⓘ
September ⓘ |
| usesClockChange | advancing clocks by one hour ⓘ |
| variesBy |
country
ⓘ
subnational jurisdiction ⓘ |
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: Southern Hemisphere daylight saving times Description of subject: Southern Hemisphere daylight saving times are the seasonal clock changes used in countries south of the equator, typically shifting clocks forward during their summer months to extend evening daylight.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.