Reference
Classical Jyotish concepts explained in plain English: from Lagna and Mahadasha to Varga charts and Yogas. 44 terms across 8 categories.
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Also: Jyotisha, Vedic Astrology
Sanskrit for "science of light." Jyotish is the classical Indian system of astrology rooted in the Vedic tradition and codified in texts such as the Brihat Parashara Hora Shastra. Unlike Western tropical astrology, Jyotish uses the sidereal zodiac, aligned to the fixed stars rather than the seasons, and emphasises planetary periods (Dashas) alongside transit analysis.
Also: Ascendant, Rising Sign
The zodiac sign rising on the eastern horizon at the exact moment of birth. The Lagna is the most personal point in a Vedic birth chart; it anchors all twelve houses and colours the native's physical constitution, temperament, and overall life lens. The planet ruling the Lagna sign is called the Lagna Lord and carries special weight in the chart.
The longitudinal offset between the tropical zodiac (used in Western astrology) and the sidereal zodiac (used in Jyotish). Because the Earth wobbles on its axis, the vernal equinox drifts backward through the constellations by about 50 arc-seconds per year, a phenomenon called precession. The ayanamsha (~24° currently) is subtracted from a tropical planetary position to arrive at the sidereal position used in Vedic charts. The most widely used value is Lahiri Ayanamsha, adopted by the Indian government.
Also: Janma Kundali, Natal Chart, Rashi Chart, D1
A map of the sky at the precise moment of birth, plotted using Vedic sidereal coordinates. It shows the positions of the nine Grahas (planets) across the twelve Rashis (signs) and twelve Bhavas (houses). The birth chart, also called the D1 or Rashi chart, is the primary chart from which all Vedic astrological analysis begins.
Literally "soul significator." The planet with the highest degree of longitude in the natal chart (ignoring minutes and seconds in the Parashari system). The Atmakaraka represents the soul's deepest desires, the lessons it has come to learn in this lifetime, and the dominant karmic theme running through the chart. It plays a key role in Jaimini astrology.
Literally "spouse significator." In Jaimini astrology, the planet with the lowest degree of longitude in the natal chart. The Darakaraka describes the qualities of the native's spouse or long-term partner and the nature of marital life. Its sign placement, house placement, and conjunctions in the Navamsa (D9) chart are read closely for relationship timing and partner characteristics.
Also: Planet
Sanskrit for "that which seizes or influences." Jyotish works with nine Grahas: Sun (Surya), Moon (Chandra), Mars (Mangal), Mercury (Budha), Jupiter (Guru/Brihaspati), Venus (Shukra), Saturn (Shani), and the two lunar nodes Rahu and Ketu. Unlike modern Western astrology, Jyotish does not use Uranus, Neptune, or Pluto as primary chart factors. Each Graha governs specific life domains, body parts, time periods, and psychological drives.
Also: North Node, Dragon's Head
The north node of the Moon, the point where the Moon's orbit crosses the ecliptic moving northward. Rahu is a shadow planet (Chhaya Graha) with no physical body. In classical texts it represents worldly desire, obsession, amplification, illusion, and karmic hunger. It behaves like Saturn and is associated with foreigners, technology, unconventional paths, and the relentless pull toward material achievement.
Also: South Node, Dragon's Tail
The south node of the Moon, opposite Rahu and always 180° away. Ketu is a headless, introverted shadow planet representing past-life karma, spiritual liberation (Moksha), detachment, psychic sensitivity, and sudden insights. It operates like Mars and is associated with renunciation, otherworldly pursuits, and the dissolution of ego-driven desires.
Also: Natural Significator
The inherent, fixed signification of a planet that applies to every chart regardless of house placements. For example, Jupiter is the natural karaka for children, wealth, wisdom, and teachers; Venus is the natural karaka for relationships, beauty, and luxury; Saturn is the natural karaka for longevity, discipline, and karma. These natural significations layer with a planet's functional role (Bhava Karaka) in any specific chart.
Also: Zodiac Sign
One of the twelve divisions of the sidereal zodiac, each spanning 30°. The twelve Rashis are Aries (Mesha), Taurus (Vrishabha), Gemini (Mithuna), Cancer (Karka), Leo (Simha), Virgo (Kanya), Libra (Tula), Scorpio (Vrishchika), Sagittarius (Dhanu), Capricorn (Makara), Aquarius (Kumbha), and Pisces (Meena). Each Rashi is ruled by a Graha and carries elemental (fire, earth, air, water) and modal (movable, fixed, dual) qualities.
Also: Lunar Mansion
One of 27 (sometimes 28) equal divisions of the zodiac, each spanning 13°20'. The Moon transits one Nakshatra approximately every day, making Nakshatras the primary lunar coordinate system in Jyotish. Each Nakshatra has a ruling planet (its lord), a presiding deity, and specific qualities. The Moon's Nakshatra at birth determines the starting point of the Vimshottari Dasha sequence. Nakshatras provide a finer layer of interpretation beyond sign placements.
Also: Birth Star
The Nakshatra occupied by the Moon at the moment of birth. The Janma Nakshatra is foundational in Jyotish: it governs the beginning Dasha period, is used in electional astrology (Muhurta), determines Vedic compatibility matching (Kundali Milan), and carries its own psychological and spiritual signatures throughout life.
Also: House
One of twelve divisions of the birth chart, each governing a domain of life. The Bhavas are counted from the Lagna: 1st (self/body), 2nd (wealth/family), 3rd (siblings/courage), 4th (home/mother), 5th (children/intellect), 6th (health/enemies), 7th (marriage/partnerships), 8th (transformation/longevity), 9th (fortune/dharma), 10th (career/reputation), 11th (gains/social network), 12th (losses/liberation). A planet's Bhava placement shows where its energy manifests in the native's life.
Also: Angular Houses
The four angular houses (1st, 4th, 7th, and 10th), considered the most powerful positions in the chart. Planets placed in Kendras are strongly activated and manifest their significations prominently. Kendra lords (planets ruling these houses) gain strength through the association. The 1st and 10th Kendras carry the most weight.
Also: Trinal Houses
The three auspicious trinal houses: the 1st, 5th, and 9th. Trikonas represent Dharma (right action), good fortune, and spiritual merit. Planets in Trikonas and lords of Trikona houses are considered naturally benefic in their effect on the chart. The combination of Kendra and Trikona lordship in one planet produces a powerful Raja Yoga.
Also: Difficult Houses, Trik Houses
The three houses associated with difficulty, obstruction, and suffering: the 6th (disease, enemies, debt), 8th (death, hidden matters, upheaval), and 12th (loss, isolation, foreign lands). Natural malefic planets often perform better in Dusthanas, where they can cut through obstacles. Natural benefics in Dusthanas may lose their benefic quality. Planets ruling these houses carry challenging functional roles.
Also: Growing Houses
Houses 3, 6, 10, and 11, the four "growing" houses where malefic planets (Saturn, Mars, Rahu, Ketu, Sun) tend to perform well and improve over time. Upachaya significations expand with age and sustained effort. The 11th house is particularly notable as the primary house of gains, income, and social networks.
The most widely used planetary period system in Jyotish, spanning a total cycle of 120 years allocated across the nine Grahas: Ketu (7 years), Venus (20), Sun (6), Moon (10), Mars (7), Rahu (18), Jupiter (16), Saturn (19), Mercury (17). The sequence begins from the ruling planet of the Moon's Nakshatra at birth. Vimshottari Dasha is the primary tool for timing events in a person's life.
Also: Major Period, MD
The major planetary period in the Vimshottari Dasha system, governed by one of the nine Grahas for a fixed number of years (e.g., Jupiter Mahadasha lasts 16 years). During a Mahadasha, the planet acts as the dominant theme-setter for the native's life, activating the houses it rules, occupies, and aspects. Events and experiences during this period are heavily coloured by the Mahadasha planet's nature, condition, and chart position.
Also: Sub-period, Bhukti, AD
The sub-period within a Mahadasha, each governed by one of the nine Grahas in sequence. A Mahadasha is subdivided into nine Antardashas; the first Antardasha belongs to the Mahadasha lord itself, and the remaining eight follow in the standard Dasha sequence. Antardasha periods refine and channel the Mahadasha's broad themes into more specific life events and windows of activity.
Also: Sub-sub-period, PAD
The third level of the Dasha system, further subdividing the Antardasha into nine shorter periods. Pratyantar Dasha periods are used for precise timing of specific events, typically weeks to a few months in duration, when combined with transit analysis. Classical timing is most accurate when all three Dasha levels (MD/AD/PAD) align with corroborating transits.
A seven-and-a-half-year period (Sade = half, Sati = seven) during which Saturn transits through the sign preceding the natal Moon, the sign of the natal Moon, and the sign following it, covering three signs in total, each taking approximately two-and-a-half years. Sade Sati is associated with increased responsibility, karmic reckoning, delays, and often a stripping away of what is no longer essential. Its impact varies significantly based on Saturn's natal strength and the Moon's placement.
Also: Transit
The real-time movement of planets through the zodiac after the moment of birth. Gochara transits are assessed relative to the natal Moon sign (not the Lagna, as in Western astrology) and are the secondary timing tool in Jyotish. Significant transits, especially those of Jupiter and Saturn over natal planets and key house cusps, are cross-referenced with the active Dasha period to time events precisely.
Also: Divisional Chart, Amsha
A divisional chart created by mathematically subdividing each zodiac sign into smaller equal parts and reassigning the resulting positions to new signs. Vargas zoom in on specific life areas that the D1 birth chart shows only in outline. The most commonly used Vargas are D9 (Navamsa, for marriage and soul), D10 (Dasamsha, for career), and D60 (Shastiamsa, for deep karma). A planet's condition across multiple Vargas indicates its true strength and how its significations manifest in practice.
Also: D10, Tenth Division
The divisional chart for career, professional life, reputation, and public impact. Each sign is divided into ten equal parts of 3° each. The Dasamsha shows the specific professional path, the native's standing in society, the nature of their work, and the timing of career milestones when read alongside the active Dasha. It is the primary chart for all career-related analysis in Jyotish.
Also: D60, Sixtieth Division
The finest divisional chart, dividing each sign into sixty parts of 0°30' each, totalling 720 divisions of the zodiac. The D60 is considered the chart of deep, accumulated karma from past lives. It reveals hidden tendencies, subconscious patterns, and the karmic residue that shapes the life's fundamental arc. It requires a very accurate birth time (within a few minutes) to be reliable.
Also: D2, Second Division
The divisional chart for wealth, financial capacity, and material resources. Each sign is divided in half: the first 15° of odd signs maps to Leo (Sun's sign), and the first 15° of even signs maps to Cancer (Moon's sign). The D2 is used alongside the 2nd and 11th houses of the D1 to assess the native's relationship with money and material accumulation.
A planet or Lagna that occupies the same sign in both the birth chart (D1) and the Navamsa (D9). Vargottama status significantly amplifies a planet's strength and indicates that its significations will manifest with unusual clarity and force in the native's life. A Vargottama Lagna produces a notably strong and well-defined personality.
A specific planetary combination in the birth chart that produces a distinct, predictable result. Yogas arise from conjunctions, aspects, house rulerships, and sign placements of two or more planets. Classical texts catalogue hundreds of Yogas, from powerful Raja Yogas that confer authority and success to Dhana Yogas that accumulate wealth to more challenging combinations. A Yoga must be activated by an appropriate Dasha period to fully manifest its results.
Literally "royal combination." A Yoga formed when a planet simultaneously owns (or aspects) both a Kendra (1st, 4th, 7th, 10th house) and a Trikona (1st, 5th, 9th house). Raja Yogas confer authority, recognition, leadership, and significant achievement in the world. The 9th and 10th house lords forming a relationship produce one of the most powerful Raja Yogas; similarly for the 1st-5th, 4th-9th, and other Kendra-Trikona combinations.
A wealth-producing combination involving the lords of the wealth houses (2nd and 11th) and the fortune and career houses (9th and 10th). When these lords conjoin, exchange signs, or mutually aspect one another, they create conditions for significant financial accumulation. Classical texts describe many specific Dhana Yogas; their strength depends on the planets involved, their dignities, and whether they are activated by Dasha.
Five "great person" Yogas formed when Mars, Mercury, Jupiter, Venus, or Saturn occupy their own sign or exaltation sign while simultaneously placed in a Kendra house. Each produces a specific archetype: Ruchaka (Mars: warrior, leader), Bhadra (Mercury: intellectual, eloquent), Hamsa (Jupiter: noble, wise, spiritual), Malavya (Venus: artistic, prosperous, charismatic), Shasha (Saturn: authority, discipline, longevity). These are among the most celebrated Yogas in classical texts.
A Yoga formed when a debilitated planet's weakness is "cancelled" (Bhanga = cancellation) by specific astrological conditions, converting the debilitation into an unusual source of strength. Cancellation conditions include: the dispositor of the debilitated planet being in a Kendra from the Lagna or Moon; the planet that would be exalted in that sign being in a Kendra; or the debilitated planet being aspected by its exaltation lord. When cancellation occurs, the planet can confer elevated results, often after significant struggle.
Also: Manglik Dosha, Kuja Dosha
A condition in the birth chart where Mars occupies the 1st, 2nd, 4th, 7th, 8th, or 12th house (house systems vary by tradition). Classical texts associate Mars in these positions with tension, conflict, or delay in marriage and partnership. However, numerous classical cancellation conditions exist, such as Mars in its own sign, exaltation, or aspected by Jupiter, that neutralise the Dosha. Mangal Dosha is frequently overstated in popular astrology; careful classical analysis examines cancellations before drawing conclusions.
Also: Uccha
The sign in which a planet is most powerfully placed and expresses its qualities with the greatest strength and clarity. Each planet has one sign of exaltation: Sun in Aries, Moon in Taurus, Mars in Capricorn, Mercury in Virgo, Jupiter in Cancer, Venus in Pisces, Saturn in Libra, Rahu in Taurus/Gemini (varies by tradition), Ketu in Scorpio/Sagittarius. A planet at its exact exaltation degree (Paramocchabindu) is considered strongest of all.
Also: Neecha, Fall
The sign 180° from a planet's exaltation, where it operates with the least comfort and its significations struggle to manifest clearly. Sun is debilitated in Libra, Moon in Scorpio, Mars in Cancer, Mercury in Pisces, Jupiter in Capricorn, Venus in Virgo, Saturn in Aries. A debilitated planet can still produce strong results if a Neecha Bhanga (cancellation of debilitation) condition applies, or if the planet gains strength through other means.
Also: Own Sign, Domicile
The sign(s) ruled by a planet, where it feels at home and functions with natural ease. Each planet owns one or two signs: Sun (Leo), Moon (Cancer), Mars (Aries, Scorpio), Mercury (Gemini, Virgo), Jupiter (Sagittarius, Pisces), Venus (Taurus, Libra), Saturn (Capricorn, Aquarius), Rahu and Ketu share rulership in some traditions. A planet in its own sign is considered well-placed and supportive of its significations.
A specific portion of a planet's own sign that is considered even more powerful than simple own-sign placement, though slightly less potent than exaltation. Sun's Moolatrikona is Leo (0°–20°), Moon's is Taurus (4°–20°), Mars' is Aries (0°–12°), Mercury's is Virgo (16°–20°), Jupiter's is Sagittarius (0°–10°), Venus' is Libra (0°–15°), Saturn's is Aquarius (0°–20°). When determining the functional role of a planet that rules two signs, the Moolatrikona sign is treated as its primary domain.
Also: Vakri
A planet appears to move backward through the zodiac when Earth overtakes it in orbital speed. All planets except the Sun and Moon can turn retrograde. In Jyotish, a retrograde planet (marked as R in charts) is considered to have intensified, internalised, or unconventional energy. Some classical commentators regard retrograde planets near exaltation as behaving like debilitated planets and vice versa. Retrograde status requires careful, contextual interpretation rather than a blanket judgment.
Also: Asta
A planet becomes combust when it comes too close to the Sun in longitudinal distance, overwhelmed by the Sun's brilliance. The specific orbs vary by planet: Moon (12°), Mars (17°), Mercury (14° direct / 12° retrograde), Jupiter (11°), Venus (10° direct / 5° retrograde), Saturn (15°). A combust planet loses some of its visible power to express its significations independently, though the exact interpretation is a matter of debate among classical scholars.
A comprehensive six-factor strength assessment system for planets in Jyotish. The six sources of strength are: Sthana Bala (positional: sign dignity, Kendra placement), Dig Bala (directional: each planet has a house where it gains directional strength), Kala Bala (temporal: time of birth, day/night, season), Chesta Bala (motional: speed and retrogression), Naisargika Bala (natural: inherent planetary strength hierarchy), and Drig Bala (aspectual: strength from receiving benefic aspects). Shadbala provides a numerical score that helps assess which planets are most capable of delivering their results.
Also: Directional Strength
One component of Shadbala: the strength a planet gains when placed in a particular house. Sun and Mars gain Dig Bala in the 10th house; Moon and Venus in the 4th; Mercury and Jupiter in the 1st (Lagna); Saturn in the 7th. A planet with strong Dig Bala in a Kendra is considered especially powerful and capable of manifesting its significations clearly.
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