NSCalendar
E820431
NSCalendar is an Objective-C Foundation framework class that provides an interface for working with dates and times according to different calendar systems, enabling operations like date calculation, comparison, and component extraction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NSCalendar canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9761747 — 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: NSCalendar Context triple: [NSDate, relatedClass, NSCalendar]
-
A.
NSDate
NSDate is an Objective-C class in Apple’s Foundation framework that represents a specific point in time for use in macOS and iOS applications.
-
B.
Long Count calendar
The Long Count calendar is an ancient Mesoamerican timekeeping system, most notably used by the Maya, that tracks days in a linear count from a mythological starting point to record historical and cosmological events.
-
C.
The Calendar
"The Calendar" is a crime thriller play by Edgar Wallace that blends mystery and melodrama around horse racing and high society intrigue.
-
D.
Calendar Round
The Calendar Round is a Mesoamerican cyclical dating system that combines a 260-day ritual calendar with a 365-day solar calendar to produce repeating 52-year periods.
-
E.
Tomohiko Sakamoto’s algorithm
Tomohiko Sakamoto’s algorithm is a compact, table-based method for calculating the day of the week for any given date in the Gregorian calendar.
- 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: NSCalendar Target entity description: NSCalendar is an Objective-C Foundation framework class that provides an interface for working with dates and times according to different calendar systems, enabling operations like date calculation, comparison, and component extraction.
-
A.
NSDate
NSDate is an Objective-C class in Apple’s Foundation framework that represents a specific point in time for use in macOS and iOS applications.
-
B.
Long Count calendar
The Long Count calendar is an ancient Mesoamerican timekeeping system, most notably used by the Maya, that tracks days in a linear count from a mythological starting point to record historical and cosmological events.
-
C.
The Calendar
"The Calendar" is a crime thriller play by Edgar Wallace that blends mystery and melodrama around horse racing and high society intrigue.
-
D.
Calendar Round
The Calendar Round is a Mesoamerican cyclical dating system that combines a 260-day ritual calendar with a 365-day solar calendar to produce repeating 52-year periods.
-
E.
Tomohiko Sakamoto’s algorithm
Tomohiko Sakamoto’s algorithm is a compact, table-based method for calculating the day of the week for any given date in the Gregorian calendar.
- F. None of above. chosen
Statements (72)
| Predicate | Object |
|---|---|
| instanceOf |
Foundation class
ⓘ
Objective-C class ⓘ calendar API ⓘ |
| conformsTo |
NSCopying
ⓘ
NSSecureCoding ⓘ |
| framework | Foundation framework ⓘ |
| hasClassMethod |
+ autoupdatingCurrentCalendar
ⓘ
+ calendarWithIdentifier: ⓘ + currentCalendar ⓘ |
| hasMethod |
- component:fromDate:
ⓘ
- components:fromDate: ⓘ - components:fromDate:toDate:options: ⓘ - dateByAddingComponents:toDate:options: ⓘ - dateBySettingUnit:value:ofDate:options: ⓘ - dateFromComponents: ⓘ - isDate:inSameDayAsDate: ⓘ - isDateInToday: ⓘ - isDateInTomorrow: ⓘ - isDateInYesterday: ⓘ - nextDateAfterDate:matchingComponents:options: ⓘ - nextDateAfterDate:matchingHour:minute:second:options: ⓘ - nextDateAfterDate:matchingUnit:value:options: ⓘ - ordinalityOfUnit:inUnit:forDate: ⓘ - rangeOfUnit:inUnit:forDate: ⓘ |
| hasProperty |
AMSymbol
ⓘ
PMSymbol ⓘ calendarIdentifier ⓘ eraSymbols ⓘ firstWeekday ⓘ locale ⓘ longEraSymbols ⓘ minimumDaysInFirstWeek ⓘ monthSymbols ⓘ quarterSymbols ⓘ shortMonthSymbols ⓘ shortQuarterSymbols ⓘ shortWeekdaySymbols ⓘ timeZone ⓘ veryShortWeekdaySymbols ⓘ weekdaySymbols ⓘ |
| headerFile | Foundation/NSCalendar.h ⓘ |
| introducedIn | Mac OS X 10.3 ⓘ |
| platform |
Apple platforms
ⓘ
linked to:
Apple operating systems
iOS ⓘ macOS ⓘ tvOS ⓘ watchOS ⓘ |
| programmingLanguage | Objective-C ⓘ |
| purpose |
calendar-based date comparison
ⓘ
date and time calculations ⓘ date component extraction ⓘ |
| relatedClass |
NSDate
ⓘ
NSDateComponents ⓘ NSLocale ⓘ NSTimeZone ⓘ |
| superclass | NSObject ⓘ |
| supports |
Buddhist calendar
ⓘ
Chinese calendar ⓘ Coptic calendar ⓘ Ethiopic calendar ⓘ
linked to:
Ethiopian calendar
Gregorian calendar ⓘ
linked to:
Gregorian calendar (Western churches)
Hebrew calendar ⓘ ISO 8601 calendar ⓘ Indian national calendar ⓘ Islamic calendar ⓘ
linked to:
Hijri calendar
Japanese calendar ⓘ Persian calendar ⓘ
linked to:
Jalali calendar
Republic of China calendar ⓘ multiple calendar systems ⓘ |
| usedFor |
computing date intervals
ⓘ
localizing date operations to user settings ⓘ scheduling events ⓘ |
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: NSCalendar Description of subject: NSCalendar is an Objective-C Foundation framework class that provides an interface for working with dates and times according to different calendar systems, enabling operations like date calculation, comparison, and component extraction.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.