Mountain Daylight Time
E110191
Mountain Daylight Time is the daylight saving time observed in the Mountain Time Zone of North America, typically one hour ahead of Mountain Standard Time.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mountain Daylight Time canonical | 449 |
| Mountain Standard Time | 2 |
| MDT (Mountain Daylight Time) | 1 |
| Mountain Daylight Time (UTC−06:00 daylight time) | 1 |
| Mountain Time (with DST) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T845470 — 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: Mountain Daylight Time Context triple: [Mountain Time Zone, hasDaylightTimeName, Mountain Daylight Time]
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A.
Mountain Time Zone
The Mountain Time Zone is a North American time zone that covers parts of the central-western United States, Canada, and Mexico, lying between the Pacific and Central time zones.
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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.
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C.
Pacific Time Zone
The Pacific Time Zone is a North American time zone that covers the U.S. West Coast and parts of Canada and Mexico, typically eight hours behind Coordinated Universal Time (UTC−8) and observing daylight saving time.
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D.
Yukon Time Zone
The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
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E.
Israel Daylight Time
Israel Daylight Time is the daylight saving time observed in Israel, typically used during the summer months when clocks are set one hour ahead of standard time.
- 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: Mountain Daylight Time Target entity description: Mountain Daylight Time is the daylight saving time observed in the Mountain Time Zone of North America, typically one hour ahead of Mountain Standard Time.
-
A.
Mountain Time Zone
The Mountain Time Zone is a North American time zone that covers parts of the central-western United States, Canada, and Mexico, lying between the Pacific and Central 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.
Pacific Time Zone
The Pacific Time Zone is a North American time zone that covers the U.S. West Coast and parts of Canada and Mexico, typically eight hours behind Coordinated Universal Time (UTC−8) and observing daylight saving time.
-
D.
Yukon Time Zone
The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
-
E.
Israel Daylight Time
Israel Daylight Time is the daylight saving time observed in Israel, typically used during the summer months when clocks are set one hour ahead of standard time.
- F. None of above. chosen
Statements (47)
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: Mountain Daylight Time Description of subject: Mountain Daylight Time is the daylight saving time observed in the Mountain Time Zone of North America, typically one hour ahead of Mountain Standard Time.
Referenced by (454)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Fort Macleod, Alberta, Canada
subject linked to:
Broomfield, Colorado, United States
linked to: Mountain Daylight Time
subject linked to:
Loveland
subject linked to:
Aurora
subject linked to:
Centennial
subject linked to:
Fountain
subject linked to:
Thornton
subject linked to:
Golden, Colorado, United States
subject linked to:
Windsor
linked to: Mountain Daylight Time
subject linked to:
Hailey, Idaho, United States
linked to: Mountain Daylight Time