Kala-kriya (time calculations) section of Aryabhatiya
E677776
The Kala-kriya section of the Aryabhatiya is the part of Aryabhata’s seminal astronomical treatise that systematically sets out his methods for reckoning time, planetary periods, and calendrical calculations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kala-kriya (time calculations) section of Aryabhatiya canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7639720 — 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: Kala-kriya (time calculations) section of Aryabhatiya Context triple: [Aryabhata, majorWorkSection, Kala-kriya (time calculations) section of Aryabhatiya]
-
A.
Surya Siddhanta
Surya Siddhanta is an ancient Indian astronomical treatise that systematically outlines mathematical and observational methods for calculating planetary motions, eclipses, and calendrical time.
-
B.
Siddhānta-kaumudī
Siddhānta-kaumudī is a renowned systematic commentary and reorganization of Pāṇini’s Aṣṭādhyāyī that presents Sanskrit grammar rules in a more accessible and pedagogical order.
-
C.
Zīj al-Sindhind
Zīj al-Sindhind is an influential early 9th-century astronomical handbook and set of tables by Al-Khwarizmi that helped introduce and adapt Indian and Persian astronomical methods to the Islamic world.
-
D.
Al-Zarqali's Toledan Tables
Al-Zarqali's Toledan Tables are a highly influential set of medieval astronomical tables, compiled in Toledo, that provided precise planetary positions and were widely used across the Islamic world and later in Europe.
-
E.
Bhaskara’s Bhedabheda
Bhaskara’s Bhedabheda is a sub-school of Vedanta that teaches the soul’s simultaneous difference and non-difference from Brahman, emphasizing both their unity and real distinction.
- 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: Kala-kriya (time calculations) section of Aryabhatiya Target entity description: The Kala-kriya section of the Aryabhatiya is the part of Aryabhata’s seminal astronomical treatise that systematically sets out his methods for reckoning time, planetary periods, and calendrical calculations.
-
A.
Surya Siddhanta
Surya Siddhanta is an ancient Indian astronomical treatise that systematically outlines mathematical and observational methods for calculating planetary motions, eclipses, and calendrical time.
-
B.
Siddhānta-kaumudī
Siddhānta-kaumudī is a renowned systematic commentary and reorganization of Pāṇini’s Aṣṭādhyāyī that presents Sanskrit grammar rules in a more accessible and pedagogical order.
-
C.
Zīj al-Sindhind
Zīj al-Sindhind is an influential early 9th-century astronomical handbook and set of tables by Al-Khwarizmi that helped introduce and adapt Indian and Persian astronomical methods to the Islamic world.
-
D.
Al-Zarqali's Toledan Tables
Al-Zarqali's Toledan Tables are a highly influential set of medieval astronomical tables, compiled in Toledo, that provided precise planetary positions and were widely used across the Islamic world and later in Europe.
-
E.
Bhaskara’s Bhedabheda
Bhaskara’s Bhedabheda is a sub-school of Vedanta that teaches the soul’s simultaneous difference and non-difference from Brahman, emphasizing both their unity and real distinction.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical text section
ⓘ
section of a mathematical astronomy treatise ⓘ |
| approximateDate | 5th–6th century CE ⓘ |
| author | Aryabhata ⓘ |
| field |
Indian calendrics
ⓘ
astronomy ⓘ mathematical astronomy ⓘ |
| focusesOn |
calendrical calculations
ⓘ
civil days and lunar days (tithis) ⓘ eclipse-related time parameters ⓘ intercalation rules ⓘ mean motions of planets ⓘ months and years ⓘ planetary periods ⓘ time reckoning ⓘ units of time ⓘ yuga cycles ⓘ |
| gives |
parameters for a mahayuga (great age)
ⓘ
rules for computing planetary positions over long periods ⓘ rules for converting between different time units ⓘ rules for determining leap months (adhikamasa) ⓘ rules for determining tithis and nakshatra positions ⓘ |
| hasStructure | succinct metrical verses (sutras) ⓘ |
| hasTitleVariant |
Kalakriya-adhyaya
ⓘ
Kālakriyā ⓘ |
| influenced |
Islamic-era Indian astronomical works
ⓘ
later Indian astronomical tables ⓘ medieval Indian calendrical practice ⓘ |
| isFollowedBy | Gola (sphere) section of Aryabhatiya ⓘ |
| isPrecededBy | Ganita (mathematics) section of Aryabhatiya ⓘ |
| language | Sanskrit ⓘ |
| partOf | Aryabhatiya ⓘ |
| purpose |
to provide computational rules for astronomical timekeeping
ⓘ
to support prediction of planetary positions and eclipses ⓘ |
| region |
Indian subcontinent
ⓘ
linked to:
South Asia
|
| tradition | Indian siddhantic astronomy ⓘ |
| usesConcept |
lunar year
ⓘ
sidereal day ⓘ sidereal month ⓘ solar year ⓘ synodic month ⓘ |
| usesSystem | Aryabhata’s place-value numeral system encoded in Sanskrit verse ⓘ |
| workPeriod |
Gupta period
ⓘ
linked to:
Gupta Empire
|
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: Kala-kriya (time calculations) section of Aryabhatiya Description of subject: The Kala-kriya section of the Aryabhatiya is the part of Aryabhata’s seminal astronomical treatise that systematically sets out his methods for reckoning time, planetary periods, and calendrical calculations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.