Arkagra, Arkāgrā: 4 definitions

Introduction:

Arkagra means something in Hinduism, Sanskrit. If you want to know the exact meaning, history, etymology or English translation of this term then check out the descriptions on this page. Add your comment or reference to a book if you want to contribute to this summary article.

In Hinduism

Jyotisha (astronomy and astrology)

Source: Wikibooks (hi): Sanskrit Technical Terms

Arkāgrā (अर्काग्रा).—Sun's amplitude at rising, or the R sine thereof. Note: Arkāgrā is a Sanskrit technical term used in ancient Indian sciences such as Astronomy, Mathematics and Geometry.

Source: INSA Digital Repository: Determination of Ascensional Difference in the Lagnaprakarana

Arkāgra (अर्काग्र) refers to the “Sun’s amplitude”, according to verse 20 of the Lagnaprakaraṇa (lit. “treatise for the computation of the ascendant), an astronomical work in eight chapters dealing with the determination of the ascendant (udayalagna or orient ecliptic point).—Accordingly, “The quotient of either the Rsine [of the Sun’s longitude] multiplied by [the Rsine of] the last (maximum) declination, or [the Rsine of] the declination corresponding to the desired longitude multiplied by the radius, divided by the Rcosine of the latitude, is the Rsine of the Sun’s amplitude (arkāgra-guṇa). That [Rsine of the Sun’s amplitude] is the hypotenuse. [The Rsine of] the declination is the upright here, and indeed the earth-sine is the lateral”.

Jyotisha book cover
context information

Jyotisha (ज्योतिष, jyotiṣa or jyotish) refers to ‘astronomy’ or “Vedic astrology” and represents the fifth of the six Vedangas (additional sciences to be studied along with the Vedas). Jyotisha concerns itself with the study and prediction of the movements of celestial bodies, in order to calculate the auspicious time for rituals and ceremonies.

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Languages of India and abroad

Sanskrit dictionary

Source: Cologne Digital Sanskrit Dictionaries: Monier-Williams Sanskrit-English Dictionary

Arkāgrā (अर्काग्रा):—f. the sun’s measure of amplitude, [Sūryasiddhānta]

[Sanskrit to German]

Arkagra in German

context information

Sanskrit, also spelled संस्कृतम् (saṃskṛtam), is an ancient language of India commonly seen as the grandmother of the Indo-European language family (even English!). Closely allied with Prakrit and Pali, Sanskrit is more exhaustive in both grammar and terms and has the most extensive collection of literature in the world, greatly surpassing its sister-languages Greek and Latin.

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