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Jyotisha Chart (Sidereal) · Rashi 5 of 12

Simha, the lion and the Sun's own rashi

Simha, the lion, is the fifth rashi, 120° to 150°, and the only rashi of the Sun. The Brihat Jataka makes it fixed, odd and masculine, a day sign of the east, and the Sun's moolatrikona.

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The South Indian square of the twelve rashis with Simha, the fifth, outlined in its fixed box; beside it Simha, Siṃha, Leo, 120° to 150°, lord Surya. Meena Mesha Vrishabha Mithuna Karka Simha Kanya Tula Vrishchika Dhanu Makara Kumbha 5 Simha Siṃha Leo, sidereal 120° to 150° lord Surya rashi 5 of 12
Simha in its fixed box on the South Indian square, the form our chart draws by default: Meena at the top left, then clockwise, Mesha second in the top row. Our drawing.

Facts

Rashi
5 of 12, from 120° to 150° of the sidereal zodiac
Name
Simha; IAST Siṃha; सिंह
In English
Leo, the name it shares with the tropical sign
In the tropical zodiac, 2026
about 24°13′ Leo to 24°13′ Virgo, by the Lahiri measure
Lord
Surya (the Sun)
Nature
fixed (sthira), odd and masculine
Element
fire (agni)
Nakshatras in it
Magha, Purva Phalguni and the first pada of Uttara Phalguni
First navamsa
Mesha; its nine run Mesha to Dhanu

Meaning

Simha is the lion, "of the shape of a lion" in Iyer's note; its other name in the Brihat Jataka is Leya, one of those Iyer notes as Greek.

It is a fixed sign, odd and masculine, and its triangle with Mesha and Dhanu faces east. Unlike the four rashis before it, it is a day sign, powerful by day, and it rises by its head. The Sun rules it and has its moolatrikona here, the part of its own rashi where the tradition counts it strongest; no graha is exalted or debilitated in it.

Our chart's text for a Simha lagna describes a dignified, generous and self-assured presence and a sense of purpose that shines brightest in service.

Simha opens with Magha, whose star Regulus is the Lion's heart, and with the second round of the Vimshottari lords.

In the chart

Simha is the fifth rashi, 120° to 150° of the sidereal zodiac, and it holds Magha, Purva Phalguni and the first pada of Uttara Phalguni. In the whole-sign houses of the chart, the rashi of the lagna is the first bhava and each rashi after it the next, so Simha is the first bhava for a Simha lagna, the seventh for a Kumbha lagna, and so on round the twelve.

Its navamsas begin with Mesha: the nine parts of 3°20′ run Mesha, Vrishabha, Mithuna, Karka, Simha, Kanya, Tula, Vrishchika and Dhanu, as the Brihat Jataka's rule gives them, the movable rashis starting from themselves, the fixed from the ninth and the dual from the fifth. In 2026 the rashi covers about 24°13′ Leo to 24°13′ Virgo of the tropical zodiac, by the Lahiri measure, so a planet in tropical Leo is often in Karka here; another ayanamsa would move the edges by up to about 2.5°.

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.

Shape (Brihat Jataka I.5, Iyer 1885)
"of the shape of a lion", in Iyer's note to the stanza sourced
Other name (I.8)
Leya, one of the names Iyer notes as Greek sourced
Direction of its triangle (I.11)
east sourced
Day or night (I.10)
a day sign, powerful by day; rises by its head sourced
Exalted here (I.13)
no graha sourced
Debilitated here (I.13)
no graha sourced
Themes in our chart's text, our words
a dignified, generous and self-assured presence our construction

How the schools read it

The Brihat Jataka (Varahamihira, 6th century; Iyer 1885)
Shaped like a lion; called Leya; fixed, odd and masculine; its triangle faces east; a day sign rising by its head; lord the Sun, whose moolatrikona it is.
Modern Jyotisha
A fixed fire rashi ruled by Surya, its element and quality grouped as in the Western triplicities.
Western tropical astrology
Leo, the same twelfth of the circle counted from the March equinox, about 24° ahead in 2026.
Other ayanamsas
Raman's about 1.5° smaller than Lahiri's, Krishnamurti's about 5′ smaller, Fagan-Bradley's about 53′ larger: a placement near an edge can change rashi.
The chart forms
South Indian: Simha has its own fixed box; North Indian: the boxes are the bhavas and the rashi's number, 5, moves with the lagna.
EsoTerrier
Our chart's text for a Simha lagna: "Simha lagna, a fixed fire rashi ruled by Surya, lends a dignified, generous and self-assured presence. The lion's natural sense of authority often shows, and with Surya as lagnesha, purpose shines brightest when pride gives way to service." Our words.

Claims about it

  • The sidereal rashi shows the sky as it really is: it is the constellation of that name.

    false

    What the record shows: Both zodiacs measure the same positions from different starting points. A rashi is an equal 30° division counted from a point set by the ayanamsa, not the constellation of the same name.

  • The Lahiri ayanamsa is accepted everywhere.

    false

    What the record shows: Lahiri is India's national standard and by far the most used, but the KP school, B. V. Raman's followers and Western siderealists use other values, up to about 2.5° apart; a placement near a rashi's edge can change rashi between them.

  • The sidereal signs sit about 24° behind the tropical ones whichever ayanamsa is used.

    disputed

    What the record shows: True for Lahiri (about 24°13′ in 2026) and close for Krishnamurti; Raman's is about 1.5° less and Fagan-Bradley's about 0°53′ more.

Elsewhere on EsoTerrier

Sources

Primary texts (2)
  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. Varahamihira; tr. N. Chidambaram Iyer, The Brihat Jataka of Varaha Mihira, translated into English by N. Chidambaram Iyer. Foster Press, Madras, 1885. Public domain; quoted briefly, with the stanza. archive.org/details/wg1079
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, Sidereal and tropical astrology. Read 2026-10-12. en.wikipedia.org/wiki/Sidereal_and_tropical_astrology
  3. Wikipedia, Kundali (astrology). Read 2026-10-12. en.wikipedia.org/wiki/Kundali_(astrology)
  4. Wikipedia, Dasha (astrology); Navagraha; Hindu astrology; Brihat Parashara Hora Shastra; Brihat Jataka; Exaltation (astrology). Read 2026-10-12. en.wikipedia.org/wiki/Dasha_(astrology)
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.