Ardra is the sixth of the 27 nakshatras, occupying the middle of sidereal Gemini from 6 degrees 40 minutes to 20 degrees. Its ruling planet is Rahu, its presiding deity is Rudra, the storm god whose rains wash the world clean, and its symbol is a teardrop. The name means "moist" or "the wet one", the freshness of ground after a downpour. Its marker star is Betelgeuse, the red giant at the shoulder of Orion. A person born with the Moon in this span has Ardra as their janma nakshatra, or birth star, and is read in the classical tradition as perceptive, intense, and renewing: the storm that clears the way. Their Vimshottari dasha, the planetary timeline of life, opens in a Rahu period.
This page goes deep on Ardra alone. If you want the system itself explained, why there are 27 nakshatras and how padas and lords work, start with the guide to the 27 nakshatras and come back.
Ardra at a glance
The quick facts first. Everything in this table is unpacked in the sections that follow.
| Attribute | Ardra |
|---|---|
| Position | 6°40′ to 20°00′ Gemini (Mithuna) |
| Order | 6th of 27 |
| Ruling planet (lord) | Rahu |
| Deity | Rudra, the storm god |
| Symbol | Teardrop |
| Marker star | Betelgeuse (Alpha Orionis) |
| Gana (temperament) | Manushya (human) |
| Nature | Tikshna (sharp, piercing) |
| Starting dasha | Rahu mahadasha, 18 years |
Where Ardra sits in the sky
Ardra occupies the middle of Gemini and is one of the nakshatras contained entirely within a single sign. Its marker star is Betelgeuse, the red giant blazing at the shoulder of Orion, one of the largest and most visibly coloured stars the naked eye can find. A star in old age, burning enormous and unstable: the sky itself supplies Ardra's imagery of magnificent turbulence.
The rulership pairing matters here. Gemini belongs to Mercury, the planet of intellect and language, while Ardra itself belongs to Rahu, the shadow planet of obsession, ambition, and the unconventional. A planet in Ardra answers to both: Mercury gives the analytical instrument, Rahu the hunger to point it at what others avoid looking at.
The deity, the symbol, and the myth
Ardra's presiding deity is Rudra, the howler, the fierce early form of Shiva who rides the storm. In the old hymns Rudra is both the archer whose arrows bring fever and the healer addressed as the first of physicians, the one prayed to for medicine. Destruction and remedy come from the same hand.
The symbol is a single teardrop, and it holds the whole star in miniature. A tear is grief, and a tear is release; rain ruins the harvest or saves it. Ardra's theme is exactly this doubleness: the storm that frightens while it clears, the loss that turns out to have made room. The name's promise, "moist", is the state of the world after the rain has passed, washed and ready to grow.
The personality of an Ardra Moon
Traditional descriptions of Ardra in the Jyotish texts sketch a sharp and unsentimental intelligence: penetrating, sceptical, and quick to see through a performance. The old texts speak plainly of a crooked streak and a temper; the modern reading of the same data is a mind allergic to pretence, with little patience for social varnish.
Because the Moon in Jyotish is the mind, the birth star colours the inner life above all. An Ardra Moon feels in weather systems, long calms broken by sudden fronts, and it does its best thinking inside the storm. These are natural researchers, engineers, critics, and crisis workers: people at their calmest when something has genuinely gone wrong and a clear head is the scarcest resource in the room.
The intensity has its heavier side, and the tradition is plain about it: sharpness can shade into cutting words, scepticism into cynicism, and the appetite for upheaval into restlessness between storms. None of this is a verdict. The standard reading pairs every Ardra difficulty with its renewal: the same chart that brings early turbulence brings the capacity to rebuild cleanly, and a well-placed Mercury, as the Moon's dispositor here, gives the storm a steady instrument to speak through.
The four padas of Ardra
Each nakshatra divides into four padas of 3 degrees 20 minutes, and each pada corresponds to one navamsa sign, which is how the birth star plugs into the ninth divisional chart. Ardra's padas run from Sagittarius to Pisces in the navamsa.
| Pada | Degrees of Gemini | Navamsa sign | Flavour |
|---|---|---|---|
| 1 | 6°40′ to 10°00′ | Sagittarius | The seeker: turbulence aimed at a larger truth |
| 2 | 10°00′ to 13°20′ | Capricorn | The engineer: storm energy disciplined into structure |
| 3 | 13°20′ to 16°40′ | Aquarius | The reformer: the sharpest scientific and social eye |
| 4 | 16°40′ to 20°00′ | Pisces | The feeler: the teardrop itself, compassion after the rain |
The spread is wide for one star. The Capricorn and Aquarius quarters, both ruled by Saturn in the navamsa, are the most contained expressions of Ardra, storm power under engineering control. The Pisces quarter is the most openly emotional, where the cleansing arrives as empathy rather than analysis.
Ardra and your dasha timeline
The lord of the birth star opens the Vimshottari dasha, the 120-year cycle of planetary periods laid out in the Brihat Parashara Hora Shastra. For Ardra that lord is Rahu, so an Ardra birth begins inside a Rahu mahadasha, the second longest period in the cycle at 18 years. A Moon at the very start of Ardra leaves nearly the full 18 years to run; a Moon near 20 degrees of Gemini leaves only a sliver before the Jupiter period begins.
The sequence that follows is fixed for everyone: Rahu, then Jupiter (16 years), Saturn (19), Mercury (17), Ketu (7), Venus (20), Sun (6), Moon (10), Mars (7), and around again. What differs is where you enter the wheel, and that is set entirely by your birth star and the Moon's progress through it. If you have not calculated yours, the find your nakshatra page does it from your birth date, time, and place.
Ardra in compatibility matching
In guna milan, the koota matching used for marriage, several of the 36 points are scored directly from the two birth stars. Ardra enters that arithmetic as a manushya (human) gana star of sharp temperament, and its pairings score differently against deva and rakshasa gana stars. A full match also weighs nadi, yoni, and the Moon-sign relationship between the charts.
No single nakshatra makes or breaks a match, and the classical method never reads one star in isolation; the count runs across eight kootas precisely so that no one factor dominates. If you want to see a full 36-point calculation for two charts, the kundli matching tool runs the whole table.
Ardra in the classics
The attributions on this page are the stable, named ones: the Brihat Parashara Hora Shastra carries the nakshatra scheme and the Vimshottari sequence seeded from the birth star, while the wider Jyotish tradition describes the temperament of those born under each star. For Ardra the descriptions agree on the essentials: a piercing mind, a turbulent surface, and real force underneath.
Reading further is best done sideways and upward: sideways to Ardra's neighbours, Mrigashira before it with its gentle searching and Punarvasu after it with its return of the light, which together frame Ardra as the storm between the search and the renewal, and upward to the 27-nakshatra map, where the whole wheel is laid out in one table. To see where your own Moon falls, run a free birth chart and find the nakshatra column.