Yakutsk Time (seasonally, depending on Russian DST history)
E10242
Yakutsk Time is a time zone used in eastern Russia that has seasonally aligned with Japan Standard Time at various points depending on Russia’s daylight saving time policies.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T105792 — 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: Yakutsk Time (seasonally, depending on Russian DST history) Context triple: [Japan Standard Time, coincidesWith, Yakutsk Time (seasonally, depending on Russian DST history)]
-
A.
Moscow Time
Moscow Time is the standard time zone used in Moscow and much of western Russia, corresponding to UTC+3 year-round.
-
B.
Eastern European Time
Eastern European Time is a standard time zone used in parts of Eastern Europe and the Eastern Mediterranean, typically two hours ahead of Coordinated Universal Time (UTC+2).
-
C.
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.
-
D.
Central European Summer Time
Central European Summer Time is the daylight saving time observed by many central European countries, running one hour ahead of Central European Time during the summer months.
-
E.
Coordinated Universal Time
Coordinated Universal Time (UTC) is the primary global time standard by which the world regulates clocks and time, serving as the basis for most civil time zones.
- 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: Yakutsk Time (seasonally, depending on Russian DST history) Target entity description: Yakutsk Time is a time zone used in eastern Russia that has seasonally aligned with Japan Standard Time at various points depending on Russia’s daylight saving time policies.
-
A.
Moscow Time
Moscow Time is the standard time zone used in Moscow and much of western Russia, corresponding to UTC+3 year-round.
-
B.
Eastern European Time
Eastern European Time is a standard time zone used in parts of Eastern Europe and the Eastern Mediterranean, typically two hours ahead of Coordinated Universal Time (UTC+2).
-
C.
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.
-
D.
Central European Summer Time
Central European Summer Time is the daylight saving time observed by many central European countries, running one hour ahead of Central European Time during the summer months.
-
E.
Coordinated Universal Time
Coordinated Universal Time (UTC) is the primary global time standard by which the world regulates clocks and time, serving as the basis for most civil time zones.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf | time zone ⓘ |
| alignmentWithJSTDependsOn | Russian daylight saving time policies ⓘ |
| appliesToRegion |
Amur Oblast
ⓘ
Sakha Republic ⓘ Yakutsk ⓘ Zabaykalsky Krai ⓘ |
| country | Russia ⓘ |
| governingAuthority |
Federal Service for Technical Regulation and Metrology of Russia
ⓘ
Government of the Russian Federation ⓘ
surface form:
Government of Russia
|
| hasAbbreviation |
YAKST
ⓘ
YAKT ⓘ |
| hasSameTimeAs |
Chita Time
ⓘ
Timor Leste Time ⓘ
surface form:
Eastern Indonesia Time
Yakutsk Time (seasonally, depending on Russian DST history) self-linksurface differs ⓘ
surface form:
Irkutsk Time (during some historical periods)
Japan Standard Time ⓘ Korea Standard Time ⓘ Palau Time ⓘ Timor Leste Time ⓘ |
| historicalDSTPractice | clock advanced by one hour during summer in some years ⓘ |
| historicallyAlignedSeasonallyWith | Japan Standard Time ⓘ |
| historicalRelationToJST | coincided with JST during periods without DST offset differences ⓘ |
| IANAZoneIdentifier | Asia/Yakutsk ⓘ |
| isAheadOf |
Coordinated Universal Time by 9 hours
ⓘ
Moscow Time by 6 hours (in many recent configurations) ⓘ |
| isDefinedBy | Russian federal law on time calculation ⓘ |
| isDefinedRelativeTo |
Coordinated Universal Time
ⓘ
surface form:
UTC
|
| isPartOf | Russian time zone system ⓘ |
| isUsedFor | civil timekeeping in Yakutsk region ⓘ |
| isUsedIn |
Russia Far East
ⓘ
surface form:
eastern Russia
|
| observedDST |
false (after abolition of DST in Russia)
ⓘ
true (historically, in some periods) ⓘ |
| timeNotation | UTC+9 ⓘ |
| timeType | standard time ⓘ |
| usedBy |
regional administrations in eastern Russia
ⓘ
residents of Yakutsk ⓘ |
| UTCOffsetDST | +10:00 ⓘ |
| UTCOffsetStandard | +09:00 ⓘ |
| wasAffectedBy |
2011 Russian time zone reform
ⓘ
2014 Russian time zone reform ⓘ |
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: Yakutsk Time (seasonally, depending on Russian DST history) Description of subject: Yakutsk Time is a time zone used in eastern Russia that has seasonally aligned with Japan Standard Time at various points depending on Russia’s daylight saving time policies.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
Yakutsk Time (seasonally, depending on Russian DST history)
→
hasSameTimeAs
→
Yakutsk Time (seasonally, depending on Russian DST history)
self-linksurface differs
ⓘ
subject surface form:
Yakutsk Time
this entity surface form:
Irkutsk Time (during some historical periods)
this entity surface form:
Yakutsk Time
this entity surface form:
Yakutsk Time
this entity surface form:
Yakutsk Time
subject surface form:
Vladivostok Time
this entity surface form:
Yakutsk Time
Vladivostok Time (VLAT)
→
sameOffsetAs
→
Yakutsk Time (seasonally, depending on Russian DST history)
ⓘ
subject surface form:
Vladivostok Time
this entity surface form:
Yakutsk Time (summer, historically when DST applied)
this entity surface form:
Yakutsk Time (standard)