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Jyotisha Chart (Sidereal) · Nakshatra 1 of 27

Ashwini, the horsemen who open the circle

Ashwini is the first nakshatra, the first 13°20′ of Mesha, named for the Ashvins, the twin horsemen who heal the gods. Modern books give it a horse's head as its emblem, as the medieval lists did, and Ketu is its lord in the Vimshottari order.

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The ring of the 27 nakshatras with Ashwini, number 1, marked from 0°00′ Mesha to 13°20′ Mesha, its four padas ticked inside the arc; beside it the name in IAST, Aśvinī, and its lord, Ketu. 0° Mesha 1 of 27 Ashwini Aśvinī 0°00′ Mesha to 13°20′ Mesha four padas of 3°20′ lord Ketu
Ashwini on the ring of the 27 nakshatras: Ashwini starts at 0° Mesha at the top and the count runs clockwise; the longer ticks are the twelve rashis. Our drawing.

Facts

Position
Nakshatra 1 of 27, counted from Ashwini at 0° Mesha
Name
Ashwini; IAST Aśvinī; अश्विनी
The name means
of the Ashvins, the horsemen
Span, sidereal
0°00′ Mesha to 13°20′ Mesha
In the tropical zodiac, 2026
about 24°13′ Aries to 7°33′ Taurus, by the Lahiri measure
Vimshottari lord
Ketu (the south lunar node), 7 years
Padas and their navamsas
1 Mesha · 2 Vrishabha · 3 Mithuna · 4 Karka
Stars of the name
β and γ Arietis (Sheratan and Mesarthim)

Meaning

Ashwini takes its name from the Ashvins, the divine twins who ride horses and heal the gods, and its stars are two in the Ram's horns, beta and gamma Arietis. The name means "of the Ashvins", the horsemen.

It opens the circle at 0° Mesha, but that is the order of the later equal division. The Vedic lists began with Krittika, the Pleiades, so Ashwini, there called Ashvayuj, stood near the end of them.

Modern readings take the horsemen as their image: speed, freshness, the urge to start something and to help, a young and restless energy that moves before it reflects. Those are the tradition's associations, gathered from modern books, and they describe a theme, not a person. Our chart's own text for a Moon in Ashwini speaks of quick starts and of finishing what has been begun.

Deity and emblem

The deity is the same in the Taittiriya Samhita's list and in today's books: the Ashvins, listed there as the two Ashvayuj.

The emblem is a horse's head, and here the modern symbol and the medieval figure agree: Burgess and Whitney's notes to the Surya Siddhanta (1860), drawing on the Ratnamala and the Muhurta Chintamani, give the asterism the same shape.

In the chart

Ashwini runs from 0°00′ Mesha to 13°20′ Mesha of the sidereal zodiac, the first of 27 equal parts of 13°20′. It lies wholly within Mesha (Aries). Its four padas of 3°20′ fall in the navamsas of Mesha, Vrishabha, Mithuna and Karka, so a graha in its first pada stands in Mesha in the D9.

Its Vimshottari lord is Ketu, whose period is seven years. When the Moon stands here at birth, the reckoning opens in Ketu's period and counts only the part still to run, in proportion to the part of Ashwini the Moon has yet to cross. In 2026 the same stretch of sky is about 24°13′ Aries to 7°33′ Taurus in the tropical zodiac, by the Lahiri measure; another ayanamsa moves the edges, and a Moon or lagna within a few minutes of arc of an edge can fall in the neighbouring nakshatra in another tool.

Correspondences

Each item with how it stands: “sourced” is in the work cited, “our construction” is EsoTerrier’s own, and “disputed” means the sources disagree.

Deity, as used today
the Ashvins, the twin horsemen and healers of the gods sourced
Deity in the Taittiriya Samhita (iv.4.10)
the Ashvins (listed as the two Ashvayuj) sourced
Symbol, the modern tradition's
horse's head sourced
Figure in the medieval lists (Burgess, 1860)
a horse's head sourced
Themes in modern readings, our summary
speed, freshness, the impulse to begin and to help our construction

How the schools read it

The Vedic lists (Taittiriya Samhita iv.4.10, Keith 1914)
the Ashvins (listed as the two Ashvayuj), as today; the Taittiriya list begins with Krittika.
The medieval lists (Burgess and Whitney, 1860)
The figure of the asterism: a horse's head, after the Ratnamala and the Muhurta Chintamani.
Modern Jyotisha
Speed, freshness, the impulse to begin and to help; its symbol: horse's head.
The 28-nakshatra scheme
Abhijit, in the stars of Lyra, stands between Uttara Ashadha and Shravana in the older lists; the equal division into 27 leaves it out.
Western sidereal (Fagan-Bradley)
The same 27 divisions, about 0°53′ further on than Lahiri's; Western siderealists rarely use them.
EsoTerrier
Our chart's text for a Moon here: "Ruled by Ketu, Ashwini opens the circle of nakshatras with a swift, eager and restorative energy, quick to begin and quick to help. Those born under it often move fast and think fresh, and finishing what has been started gives that initiative its full value." Our words.

Claims about it

  • Ashwini's deity and symbol are one fixed set handed down from the Vedas.

    disputed

    What the record shows: The deity, the Ashvins, is the same in the Taittiriya Samhita (iv.4.10) and today, but five other nakshatras have different deities in different Vedic lists. The symbol, horse's head, is the modern tradition's; here it matches the figure of the medieval lists, a horse's head.

  • The nakshatra is a constellation, 13°20′ wide.

    false

    What the record shows: The nakshatras began as star groups of unequal size, 28 in the Atharvaveda with Abhijit. The equal division into 27 parts of 13°20′ is a later convention; the name points at stars, the division is arithmetic.

  • The 108 padas mirror the distances of the Earth, Sun and Moon.

    false

    What the record shows: The padas are 27 nakshatras times four quarters. The ratios of distance to diameter are about 107.5 for the Sun and 110.6 for the Moon, and they vary; the astronomical "proof" is numerology.

Elsewhere on EsoTerrier

Sources

Primary texts (3)
  1. Positional Astronomy Centre, India Meteorological Department, Rashtriya Panchang 1948 Saka (2026-27), online edition: ayanamsa by month, daily nirayana longitudes of the Sun and Moon, explanation page. Government of India, Kolkata, 2026. Official values cited; tables not reproduced. packolkata.imd.gov.in/panchang/index.php/en
  2. Parashara (attributed); tr. R. Santhanam, Brihat Parasara Hora Sastra of Maharshi Parasara, English translation with commentary. Ranjan Publications, New Delhi, 1984. In copyright; facts and chapter numbers only.
  3. Arthur Berriedale Keith (translator), The Veda of the Black Yajus School, entitled Taittiriya Sanhita, part 2 (Kandas IV to VII). Harvard Oriental Series vol. 19, Harvard University Press, 1914. Public domain; the deity list of iv.4.10. archive.org/details/vedaofblackyajus02keit
Studies and other sources (4)
  1. Astrodienst AG (Dieter Koch, Alois Treindl), Swiss Ephemeris programming interface and general documentation (sections 2.2 lunar nodes and apogees, 2.8 sidereal and ayanamsha, 6.3 to 6.4 Vertex and polar houses, Appendix E published ayanamsha values). Astrodienst, Zurich, 2022. Read as documentation only; facts. astro.com/swisseph/swisseph.htm
  2. Wikipedia, Nakshatra. Read 2026-10-12. en.wikipedia.org/wiki/Nakshatra
  3. Wikipedia, Dasha (astrology). Read 2026-10-12. en.wikipedia.org/wiki/Dasha_(astrology)
  4. Ebenezer Burgess (with William Dwight Whitney), Translation of the Surya-Siddhanta, a Text-Book of Hindu Astronomy; with Notes, and an Appendix. Journal of the American Oriental Society 6, 1860. Public domain; the notes to chapter VIII, verse 9. archive.org/details/jstor-592174
Our own research (2)
  1. EsoTerrier (main research agent), Natal and sidereal wheels: research for the rebuild (README, report-main.md, notes/). 2026; research/2026-10-11-natal-sidereal/. Our dated research: tools, names and transliteration, dignities, the claim audit.
  2. EsoTerrier, EsoTerrier chart engine: services/chart/ephemeris.py, calculation.py, jyotish.py, texts.py. 2026; python/esoterrier/esoterrier/services/chart/. Our engine; the readings in it are our own words.

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By EsoTerrier. Written with AI assistance from our research and checked against its sources; last revised 20 October 2026. How we write these pages.

First published ; last revised . Corrections: support@esoterrier.com.