Hawaii–Aleutian Standard Time

E23762

time zone

Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
Hawaii–Aleutian Time Zone	115
Hawaii–Aleutian Standard Time canonical	87
Hawaii Standard Time	1
Hawaii–Aleutian Daylight Time	1
Hawaii–Aleutian Standard Time (HST)	1
Hawaii–Aleutian Time	1
Midway Islands Time (historical)	1
UTC−10 time zone	1

How this entity was disambiguated

This entity first appeared as the object of triple T86395 — 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: Hawaii–Aleutian Standard Time
Context triple: [Pearl Harbor, timeZone, Hawaii–Aleutian Standard Time]

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. Easter Island Standard Time
Easter Island Standard Time is the time zone used on Chile’s Easter Island, typically four hours behind Coordinated Universal Time (UTC−6) outside of daylight saving periods.
C. Chamorro Standard Time
Chamorro Standard Time is the time zone used in Guam and the Northern Mariana Islands, corresponding to UTC+10:00.
D. 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.
E. Samoa Time Zone
The Samoa Time Zone is a time standard used primarily in the Samoan Islands region of the Pacific, aligning local time for countries such as Samoa and American Samoa.
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: Hawaii–Aleutian Standard Time
Target entity description: Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).

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. Easter Island Standard Time
Easter Island Standard Time is the time zone used on Chile’s Easter Island, typically four hours behind Coordinated Universal Time (UTC−6) outside of daylight saving periods.
C. Chamorro Standard Time
Chamorro Standard Time is the time zone used in Guam and the Northern Mariana Islands, corresponding to UTC+10:00.
D. 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.
E. Samoa Time Zone
The Samoa Time Zone is a time standard used primarily in the Samoan Islands region of the Pacific, aligning local time for countries such as Samoa and American Samoa.
F. None of above. chosen

Statements (35)

Predicate	Object
instanceOf	time zone ⓘ
abbreviation	HAST ⓘ
appliesAllYearIn	Hawaii ⓘ most of the Aleutian Islands using this zone ⓘ
country	United States of America ⓘ surface form: United States
DSTAbbreviation	HADT ⓘ
DSTUTCOffset	UTC−09:00 ⓘ
DSTVariant	Hawaii–Aleutian Standard Time self-linksurface differs ⓘ surface form: Hawaii–Aleutian Daylight Time
follows	Coordinated Universal Time ⓘ
formerName	Hawaii–Aleutian Standard Time self-linksurface differs ⓘ surface form: Hawaii Standard Time
geographicOcean	Pacific Ocean ⓘ
IANAZoneExample	America/Adak ⓘ Pacific/Honolulu ⓘ
isPartOf	United States time zones ⓘ
legalDefinitionJurisdiction	United States federal law ⓘ
observesDaylightSavingTime	no ⓘ
offsetHoursFromUTC	-10 ⓘ
primaryCity	Adak Island ⓘ surface form: Adak Honolulu, Hawaii, United States ⓘ surface form: Honolulu
regionType	Pacific ⓘ
relativeToEasternTime	5 hours behind Eastern Standard Time ⓘ 6 hours behind Eastern Daylight Time ⓘ
relativeToPacificTime	2 hours behind Pacific Standard Time ⓘ 3 hours behind Pacific Daylight Time ⓘ
standardName	Hawaii–Aleutian Standard Time self-link ⓘ
timeNotation	12-hour clock commonly used locally ⓘ 24-hour clock used in technical contexts ⓘ
usedByStateOrTerritory	Alaska ⓘ Hawaii ⓘ
usedFor	civil timekeeping ⓘ
usedIn	Aleutian Islands ⓘ Hawaii ⓘ United States of America ⓘ surface form: United States
usedInPartOf	Aleutian Islands ⓘ surface form: Aleutian Islands west of 169°30′W
UTCOffset	UTC−10:00 ⓘ

How these facts were elicited