Segmenting the Sky: The Discovery of Nakshatras

The ancient sages of India observed that a planet expresses different qualities depending on its placement within a zodiac sign. They identified 27 segments of the zodiacal circle, each measuring 13 degrees and 20 minutes of arc, and named them nakshatras—stars, or lunar mansions.

Each zodiac sign therefore includes three nakshatras and thus embodies three distinct characteristics. Western astrologers also observe this variability within signs, referring to them as subtypes or decanates.

Why Jyotish is Called Lunar Astrology

Jyotish is often called lunar astrology because the Moon’s position in a sign and nakshatra is regarded as the most important indicator in a person’s birth chart. It serves as a gateway to understanding the deeper emotional, karmic, and psychological landscape of the native.

Lunar Mansions as the Wives of the Moon

Nakshatras are called lunar mansions because, mythologically, they are the wives of Chandra, the Moon god—daughters of Prajapati Daksha, the progenitor of humanity.

It is believed that as Chandra moves through the 27 nakshatras, he opens the doorway for a soul to incarnate on Earth in accordance with its unique karma and deeds from previous lives.

The Fruits of Karma: Sweet and Bitter Stars

Each nakshatra has its own nature and is likened to either sweet or bitter fruits of karma. The ancient saying “to be born under a lucky star” has a literal meaning in Jyotish.

The placement of the Moon in a particular nakshatra at the time of birth is called the Janma Nakshatra—the birth star—and is considered foundational for interpreting the chart, understanding the character, and determining the destiny of the individual.

Primary Indicators of Destiny

The general characteristics provided for each nakshatra refer specifically to the Janma Nakshatra.

Stellar astrologers believe that a person’s psychological makeup and overarching life direction are primarily determined by the Janma Nakshatra, followed by the Ascendant Nakshatra—the one in which the ascendant or Lagna falls—and lastly by the Surya Nakshatra, in which the Sun is placed.

The Heart of Predictive Astrology

Knowledge of the nakshatras forms the core of the Vimshottari Dasha system—a method for calculating planetary periods and sub-periods in one’s life.

Nakshatras are also essential for interpreting planetary transits and countless other predictive techniques in Vedic astrology.

Beyond the Zodiac: Nakshatras in the Vedas

The term nakshatra is used not only for constellations along the zodiac but also for other star groups. For instance, the Rig Veda mentions the Saptarishi Nakshatra—the “Constellation of the Seven Sages”—which is more widely known by its Greek name, Ursa Major (the Great Bear).

However, in astrology, only constellations near the ecliptic are used—those which may not necessarily coincide with the twelve signs of the zodiac.

Structure and Measurement of Nakshatras

Each nakshatra spans 13 degrees and 20 minutes of the zodiac and consists of four padas (quarters), each 3 degrees and 20 minutes long.

Nine padas make up one zodiac sign (rashi), and nine nakshatras form a group of four signs, known as paryayas.

Both nakshatras and zodiac signs are measured from a common starting point—the zero degree of Aries.

The 27 Nakshatras and Their Spans

Ashvini – 0° to 13°20′ Aries

Bharani – 13°20′ to 26°40′ Aries

Krittika – 26°40′ Aries to 10°00′ Taurus

Rohini – 10°00′ to 23°20′ Taurus

Mrigashira – 23°20′ Taurus to 6°40′ Gemini

Ardra – 6°40′ to 20°00′ Gemini

Punarvasu – 20°00′ Gemini to 3°20′ Cancer

Pushya – 3°20′ to 16°40′ Cancer

Ashlesha – 16°40′ to 30°00′ Cancer

Magha – 0° to 13°20′ Leo

Purva Phalguni – 13°20′ to 26°40′ Leo

Uttara Phalguni – 26°40′ Leo to 10°00′ Virgo

Hasta – 10°00′ to 23°20′ Virgo

Chitra – 23°20′ Virgo to 6°40′ Libra Swati – 6°40′ to 20°00′ Libra

Vishakha – 20°00′ Libra to 3°20′ Scorpio

Anuradha – 3°20′ to 16°40′ Scorpio

Jyeshtha – 16°40′ to 30°00′ Scorpio

Mula – 0° to 13°20′ Sagittarius

Purvashadha – 13°20′ to 26°40′ Sagittarius

Uttarashadha – 26°40′ Sagittarius to 10°00′ Capricorn

Shravana – 10°00′ to 23°20′ Capricorn

Dhanishta – 23°20′ Capricorn to 6°40′ Aquarius

Shatabhisha – 6°40′ to 20°00′ Aquarius Purva

Bhadrapada – 20°00′ Aquarius to 3°20′ Pisces Uttara

Bhadrapada – 3°20′ to 16°40′ Pisces Revati – 16°40′ to 30°00′ Pisces

Nakshatras and the Four Varna Archetypes

Being born under a specific nakshatra reveals the predominance of certain qualities linked to one of the four varnas—archetypal levels of consciousness and development.

These varnas should not be confused with the Indian caste system. The confusion arises because, in ancient times, Brahmins were usually born into Brahmin families, and Shudras into Shudra families. Marriages between varnas were discouraged.

Today, in the age of Kali Yuga, the varnas are intermingled, and one can only speak of psychological and spiritual tendencies rather than fixed social roles.

The Four Varnas Explained

Brahmins – Seekers of spiritual truth, virtue, religion, and higher meaning. Known for patience, tolerance, and wisdom.

Kshatriyas – Practical, courageous, and natural leaders with organisational strength and a strong sense of justice.

Vaishyas – Skilled in commerce, business, and the management of resources.

Shudras – Excellent workers and executors of tasks, though they require guidance and supervision.

Outcastes – Those with antisocial tendencies, who disregard societal norms and may act against moral codes.

Nakshatras and Their Associated Varnas

Brahmins: Krittika, Pushya, Ashvini

Kshatriyas: Bharani, Ardra, Purva Phalguni, Uttara Phalguni

Vaishyas: Mrigashira, Rohini, Swati Shudras: Purvashadha, Uttarashadha, Punarvasu, Ashlesha, Mula

Outcastes: Purva Bhadrapada, Uttara Bhadrapada, Hasta, Magha, Shatabhisha, Chitra, Vishakha, Jyeshtha, Anuradha, Dhanishta, Shravana, Revati

In earlier times in ancient India, brahmins were born only in brahmin families, and shudras only in shudra families.

Marriages between members of different varnas were not encouraged.

Now, in the age of Kali Yuga, all the varnas have become intermingled, and we can speak only of certain inherent qualities rather than fixed social status or hereditary castes.