Ishtadyuguna, Iṣṭadyuguṇa, Ishta-dyuguna: 1 definition
Introduction:
Ishtadyuguna 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.
The Sanskrit term Iṣṭadyuguṇa can be transliterated into English as Istadyuguna or Ishtadyuguna, using the IAST transliteration scheme (?).
In Hinduism
Jyotisha (astronomy and astrology)
Source: INSA Digital Repository: Determination of Ascensional Difference in the LagnaprakaranaIṣṭadyuguṇa (इष्टद्युगुण) refers to the “desired day-radius”, according to verse 22 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, “Or, the Rsine [of the Sun’s longitude] multiplied by the extreme (last) day-radius and divided by the desired day-radius (iṣṭadyuguṇa) is the Rsine of the right ascension. That multiplied by [the Rsine of] the maximum ascensional difference, and divided by the radius, is the Rsine of the ascensional difference”.
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.
See also (Relevant definitions)
Partial matches: Ishta, Dyuguna.
Full-text: Ishta.
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