Nakshatra Cluster · Mercury-ruled · Jyestha

Jyestha nakshatra, 16°40' to 30°00' Scorpio.

Jyestha is the 18th of the 27 nakshatras and the one that closes Scorpio, running 16°40' to 30°00' of the sign up to its final degree. It differs from the neighbours on either side by lord as much as by position: Anuradha before it holds the Scorpio interior under Saturn and Mula after it opens Sagittarius under Ketu, while Jyestha between them answers to Mercury. That 17-year Mercury mahadasha is the fourth-longest of the nine. The presiding deity is Indra, king of the gods and senior of the celestial council, and the symbols are the earring and the umbrella, read as dignity of office and royal protection. Sanskrit jyestha means the eldest or the most senior. Sources: Brihat Parashara Hora Shastra Chapter 3, Phaladeepika Chapter 7, Sarvartha Chintamani.

Range, ruler, deity and classical attributes

Range	16°40' to 30°00' Scorpio
Sequence position	18th of 27 nakshatras
Ruling planet	Mercury (17-year Vimshottari mahadasha)
Presiding deity	Indra (the king of the gods)
Symbol	earring (also umbrella or talisman)
Gana (temperamental class)	rakshasa
Varna (functional class)	butcher
Yoni (animal-axis)	deer
Nadi (Ayurvedic constitution)	vata
Macro register	seniority register, protective authority, mature responsibility, the elder-protector

Mythology and meaning

Indra the presiding deity is the king of the gods, the senior of the celestial council. Jyestha carries the seniority register: the elder-protector, the most experienced. The earring symbol reflects dignity-of-office; the umbrella symbol reflects royal protection. Born-Jyestha natives often carry responsibility from early life and operate as the elder in their cohort.

The classical reading walks the presiding deity, the symbol and the ruling planet together to derive the nakshatra's full register. Jyestha's register is shaped by all three: the deity sets the thematic register, the symbol provides the visual-mnemonic and behavioural anchor and the ruling planet anchors the Vimshottari major-period framework and the broader chart-side reading whenever the chart owner runs the ruler's mahadasha.

What Moon in Jyestha reads as

Natives born with the natal Moon in Jyestha carry seniority and protective authority as dominant register. The chart carries responsibility from early, operates as the experienced one in its cohort and protects those under its care. The Moon as the mental and emotional register absorbs the nakshatra's signature directly: the chart owner thinks, feels and habitually responds through the Jyestha register.

Classical professional registers commonly associated with this nakshatra include institutional leadership (especially senior executive, judicial), military and police senior-axis, religious senior-axis (bishop, abbot, senior monk), eldercare and protection-axis, ceremonial-authority roles. The professional list is illustrative rather than deterministic. The nakshatra produces structural capacity; the chart owner's specific application depends on the broader chart, the dasha sequence and the natal house position of the Moon within the chart.

The four padas and per-pada navamsa signs

Each nakshatra divides into four padas of 3°20' arc each, mapping to the four navamsa signs starting from the position of the first pada. Pada-level reading qualifies the broad nakshatra register with the navamsa sign that the chart owner's Moon (or natal point) actually occupies. The four padas of Jyestha.

Pada 1. Sagittarius / Jupiter: senior authority through wisdom register, the elder-teacher.
Pada 2. Capricorn / Saturn: institutional seniority, structured-authority axis.
Pada 3. Aquarius / Saturn: unconventional seniority, reform-axis elder register.
Pada 4. Pisces / Jupiter: spiritual-axis seniority, compassionate elder-protector.

The classical practice reads the pada-level register together with the natal Moon's navamsa sign for full nakshatra reading. The pada determines which navamsa sign the chart owner activates; the navamsa lord then participates in the broader chart reading as a parallel signature alongside the natal lord.

Mercury rulership and the 17-year mahadasha

A native born with the natal Moon in Jyestha opens life in the Mercury mahadasha. The 17-year window foregrounds Mercury's karaka register: Mercury's natural signification activates as the broad thematic frame for the opening phase of the life.

Combined with Jyestha's seniority register, the opening Mercury mahadasha period often produces early-life communication-skill formation, intellectual-authority capacity and the analytical depth for which this nakshatra is renowned.

The exact degree of the Moon within Jyestha fixes how much of the opening Mercury mahadasha remained at birth. Moon at 0° of the nakshatra inherits the full 17-year period from birth. Moon at the closing degree of the nakshatra inherits only the residual fraction before the next mahadasha begins. The classical computation reduces this to days from the precise degree of Moon within the nakshatra range.

Born under Jyestha: what it sets in motion

A Moon in Jyestha at birth opens the life inside the Mercury mahadasha, seventeen years, the fourth-longest period in the Vimshottari sequence. The share the chart inherits is fixed by where in the 16°40' to 30°00' Scorpio arc the Moon fell. A Moon at the start of Jyestha opens with close to the full seventeen years of Mercury; a Moon at the closing degree opens with only the residual months before the Ketu mahadasha follows in the fixed order.

Walk one case. A Moon three-quarters of the way through Jyestha has run three-quarters of the Mercury period before birth, so one quarter remains; one quarter of seventeen years is four and a quarter years, four years and three months of Mercury still to run. A Moon halfway through inherits eight and a half years, eight years and six months. A Moon one-fifth of the way in inherits four-fifths of seventeen, thirteen years and about seven months. The birth nakshatra is read as the entry point of the whole hundred-and-twenty-year Vimshottari map for this reason: it fixes the first lord, and the Moon's exact degree sets the clock the later periods run from.

This span in the 2026 to 2028 sky

Jyestha closes Scorpio, the sign it shares with Anuradha and the fourth pada of Vishakha, and through 2026 to 2028 no slow planet crosses Scorpio at all. Jupiter runs Cancer, Leo and Virgo in the window. Saturn holds Pisces then Aries. The nodes work the Aquarius-Leo axis to 27 December 2026 and the Capricorn-Cancer axis after it. So Jyestha's 16°40' to 30°00' arc takes no heavy transit in these two years; the bodies that do cross it are the Moon, about a day on each 27.3-day circuit, and the Sun, about a fortnight once a year at the close of sidereal Scorpio.

The classical read for a quiet span turns to the condition of its lord, and here the lord is Mercury, a fast mover that holds any one sign only for a matter of weeks. Mercury never anchors a two-year weather the way an exalted Jupiter or a sign-changing Saturn can, so the live signal for Jyestha in this window sits squarely on the Vimshottari clock. What matters for the span is which chart is running a Mercury period and where inside it, more than any transit sitting on the Scorpio degrees.

Transit reading: when slow planets cross Jyestha

Beyond the natal-Moon reading, the Jyestha nakshatra carries reading-significance whenever slow planets transit through its 13°20' arc. Saturn at approximately 2.5 years per sign passes through Jyestha once every 29.5 years. Jupiter at approximately 13 months per sign passes through annually within each 12-year cycle. Rahu and Ketu at approximately 18 months per sign pass through every 18 years.

Transit Jupiter through Jyestha provides a benefic overlay on the nakshatra's themes for the duration of the Jupiter transit. Transit Saturn through Jyestha provides a structural-pressure overlay, often producing the consolidation or restructuring of the nakshatra's themes in the chart owner's life. Transit Rahu or Ketu through Jyestha provides an amplification or dissolution overlay depending on which node is transiting and which house the nakshatra occupies on the chart.

Computed windows, 2024 to 2040

Every pass of Saturn, Jupiter and Rahu through Jyeshtha's 13°20' span in this period. Sidereal positions from the Swiss Ephemeris with the PVRN Rao True Pushya ayanamsha and the mean node, the same engine that computes every chart on this site. Separate rows are separate passes, produced by retrograde motion.

Planet	Enters	Exits
Rahu	2030-02-01	2030-10-11
Jupiter	2030-12-06	2031-02-10
Jupiter	2031-06-22	2031-10-07

Compatibility attributes and Ashtakoota implications

Jyestha carries gana classification rakshasa (the temperamental class layer, with three values: deva for divine, manushya for human, rakshasa for intense), varna classification butcher (the functional class layer), yoni classification deer (the animal-axis compatibility marker) and nadi classification vata (the Ayurvedic constitutional axis). These attributes feed Ashtakoota compatibility scoring used in classical Vedic matchmaking. The cluster documents these for reference, not as a forward-call mechanism.

Where Jyestha sits in the 27-step sequence

In the fixed 27-step sidereal nakshatra sequence, Jyestha is the 18th nakshatra. The Moon traverses one nakshatra in approximately 24 hours (the lunar daily motion of approximately 13°10' per day matched against the 13°20' nakshatra arc). The nakshatra boundaries are therefore time-sensitive at the daily and even hourly level: birth time accuracy is the prerequisite for accurate nakshatra identification.

Calibration status

The article documents the classical Jyestha-nakshatra reading as set out in BPHS Chapter 3 (nakshatra significations), Phaladeepika Chapter 7 and Sarvartha Chintamani. The presiding-deity reading, the symbol-interpretation, the four-pada-per-navamsa framework and the gana-varna-yoni-nadi compatibility attributes are presented as the tradition's own framework. The Tempora calibrated signature library (Note 005) does not currently include nakshatra-specific event signatures. Calibrating nakshatra placements against a labelled chart-corpus is open work.

FAQ

What is the Jyestha nakshatra and where does it sit on the sidereal lattice?

Jyestha is the 18th of the 27 nakshatras, occupying 16°40' to 30°00' Scorpio. The ruling planet is Mercury (17-year Vimshottari mahadasha). The presiding deity is Indra (the king of the gods). The symbol is the earring (also umbrella or talisman). The macro register is seniority register, protective authority, mature responsibility, the elder-protector. Sanskrit jyestha meaning the eldest or the most senior. Sources: BPHS Chapter 3, Phaladeepika Chapter 7.

What mythology and meaning is associated with Jyestha?

What does Moon in Jyestha read as?

Natives born with the natal Moon in Jyestha carry seniority and protective authority as dominant register. The chart carries responsibility from early, operates as the experienced one in its cohort and protects those under its care. The Moon as the mental and emotional register absorbs the nakshatra's signature directly. Professional registers commonly associated: institutional leadership (especially senior executive, judicial), military and police senior-axis, religious senior-axis (bishop, abbot, senior monk), eldercare and protection-axis, ceremonial-authority roles.

What are the four padas of Jyestha?

Each nakshatra divides into four padas of 3°20' arc each, mapping to four navamsa signs. Jyestha's padas. Pada 1: Sagittarius / Jupiter: senior authority through wisdom register, the elder-teacher. Pada 2: Capricorn / Saturn: institutional seniority, structured-authority axis. Pada 3: Aquarius / Saturn: unconventional seniority, reform-axis elder register. Pada 4: Pisces / Jupiter: spiritual-axis seniority, compassionate elder-protector. The natal Moon's navamsa sign determines which pada the chart owner activates.

What does the Mercury rulership give Jyestha?

Mercury rulership means a native with Moon in Jyestha opens life in the Mercury mahadasha (17 years). The Mercury karaka register foregrounds across the opening period. Combined with Jyestha's seniority register, the opening Mercury mahadasha period often produces early-life communication-skill formation, intellectual-authority capacity and the analytical depth for which this nakshatra is renowned.

How is Jyestha read during transit?

Beyond the natal-Moon reading, Jyestha carries significance when slow planets transit through its 13°20' arc. Saturn passes through once every 29.5 years. Jupiter passes annually within each 12-year cycle. Rahu and Ketu pass through every 18 years. Transit Jupiter provides benefic overlay. Transit Saturn provides structural-pressure overlay. Transit Rahu or Ketu provides amplification or dissolution overlay depending on which node and which house the nakshatra occupies.

If my Moon is in Jyestha, how much of the Mercury mahadasha remains at birth?

The Mercury mahadasha runs seventeen years and it is the first period of the life, but the chart keeps only the part still unspent at birth. The degree of the Moon inside Jyestha's 16°40' to 30°00' Scorpio arc fixes the fraction. A Moon at the start opens with close to the full seventeen years; a Moon three-quarters through opens with one quarter of seventeen, four years and three months; a Moon halfway through opens with eight years and six months. After Mercury the sequence hands to Ketu. This is why the birth nakshatra is read as the entry point of the whole hundred-and-twenty-year map.

Does any major transit cross Jyestha in 2026 to 2028?

No slow planet enters Scorpio in that window, so Jyestha's arc takes no Jupiter, Saturn or nodal transit. Jupiter runs Cancer then Leo then Virgo, Saturn holds Pisces then Aries, and the nodes work the Aquarius-Leo then Capricorn-Cancer axes. Only the Moon on its monthly circuit and the Sun on its annual fortnight cross the degrees. The lord Mercury is a fast mover and holds any sign only for weeks, so the live reading for the span leans on the Vimshottari clock more than on a transit of the Scorpio degrees.