The 12th Harmonic, your Secondary Self

twelfthharmoncDo you know the 12th harmonic? I guess some might say yes, some might say no. The Twelfth Harmonic charts are advanced astrological method-and part of modern astrology sector. As a brief intro, Harmonic astrology is a detailed interpretation of energies-Where we break down an energy from a natal aspect to a chart- But Harmonic astrology is another talk for another day. I want to concentrate on the twelfth harmonic in this article, which is considered the secondary self.


dwaddwaTo understand the twelfth harmonic charts, we need to set the difference from their counterpart Dwad in term of calculations, and influences. Then we might be able to get a clear picture of the twelfth harmonic/or duad. The twelfth harmonic is associated with the Vedic DwadashansThe Dwadashans is also known as Dodekatemoria, or the twelfth part of the ascendant. The methods were associated because of their importance in revealing karmic connections, and patterns in one’s psychology. I have dealt with both of them. And both The Dodek/dwad and 12th harmonic/Duad are unique and insightful in their own way. But when it comes to accurate psychological analysis, the 12th harmonic is the chart to look at.

  1. Calculation:

The Twelfth Harmonic is calculated by spelling the division of each sign of the
zodiac into twelve 2°30′ segments- the 1st dwad of any sign is the Aries dwad, the 2nd is the Taurus dwad- Softwares like SolarFire gold,, Janus…etc help in the process . But You need not to confuse them with the dwads- “the First part is always dedicated to the actual sign and the next to the next sign in order”- The Dwad is an older method than the 12th harmonic, and used frequently by astrologers. The 12th/duad being an advanced/unexplored method, it is less common. So don’t mix up the calculation of the two.

  1. Influence:

In my experience with both of methods, the 12th harmonic shows a channeled worldly energies, motivations, personal characteristics that are not explained in the birth chart, whereas the dwad reveals karmic connections, relationships insights. We see that the 12th/duad operates on a personal level like the 1st house, whilst the dwad operates on the others/relational level. I find the dwad helpful when analyzing synastry- it shows amazing karmic connections and influences- The 12th/duad I use to explain characteristics, desires, and motivations are not explained in the birth chart.

  • I’ll try to write an article revealing how the dwad works in relationships.How dwad explains karmic connections and energies we are meeting down our path.
  1. Similarities :

Both of the 12th/Duad and Dwad are decants systems. Their energy is valid and it is expressed. They color the planet’s natal sign energy. The Natal sign’ energy is modified by the sign of duad and dwad for example a Virgo natal sun expresses itself through communication, language, service, intellect with a duad in Cancer sign there are deep thoughts, connection to home, listening ability, intuition, Another example is a fiery, extrovert, spunky Virgo sun coloured by a fire sign duad. The Dwadashans signs tells us more about our karmic encounter who stimulate our Dwadashans energy, while the 12th is about us.

The 12TH HARMONIC, your Understudy, SECONDARY SELF:

secondaThe natal chart is your core self, the most dominating energy. The duads are layers of that energy that are very important in determining the behavioral patterns of the planets or points. The duads are your secondary self. The natal map is the main actor in the play whilst the duads are the understudy. But I noticed people recognize your duads energy more so it is crucial to look at the duad. In my opinion, the duads are not as ambiguous as the heliocentric or draconic. They are actual points extracted from natal points with actual energy. In studying the 12th harmonic, we need to study their positions in the natal chart and aspect to natal points. And You’ll notice the duads are becoming a chart of their own explaining the person in a deeper way.

Where we Fall, Harmoniously:

Our Spiritual Shelter

harmonThe positions of the duads point in the natal map is crucial -sometimes crucial than the positions of the natal planets- It represents the urge to escape into your spiritual aspect. The positions of duad is a secondary position AND function of a natal point or a natal planet. You’ll notice the planets is expressing itself in both of house’s themes. I have read chart of famous personalities, and I have noticed they express the energy of duad sun position more than the natal. Number 12 is associated with the tarot card “the Hanged Man”. The Hanged Men card represents the urge to escape into your spiritual aspect. The Hanged Man tells us that only when we are ready to submit to the higher vibratory forces can we be released from the turmoil resulting from your own actions.

The natal house that the duad planet falls in is a spiritual sanctuary, your spiritual aspect. It is where our natal planet is finding it spirituality fulfillment  through locating there by the duad planet. We operates in our spiritual house more than our material (natal) house. The Hanged Man also relates to moving forward to a greater goal. This goal is likely to be spiritual and personal. We feel we need to move to our spiritual house to accomplish a personal fulfillment. You will notice it with the below interpretations.

  •  Where we are focused, directed:houseda

It is a common pattern in duad interpretation to find a conjuncted group or stellium of duad planets and points falling in a natal house or a sector. When a punch of a duad planets falling in a natal house, we will be recognized by the world by that energy. We usually focus our energy on the occupied house, when a group of natal planets fall in it. It is the same with the duad planets except it is more intense because we are fulfilling a spiritual or personal goal- as I have explained before- We will channel, learn, merge with the house’ energy to feel personal fulfillment.

The Duad Asc/& MC Duad :

To see where your personal image is focused, how your personal image is seen by the others, you need to study the Duad Asc and its natal location. A person will have his duad Ascendant in the 8th house such as Nicole Kidman and Michael Fassbender. Their personal image will be focused on sexuality, power, death, intensity and so such themes will be seen by the others in that person

I noticed how important to examine the MC duad as it telling us the hidden desire for a career. As an example, we take JK Rowling, the writer of the Harry Potter books, she has her duad mc in Venus ruled sign Libra, her Venus is in the sign of writers and communication Gemini, an indication for writing as a career.


The second examination is the comparison of duad to natal. We examine the duad’ planets and points aspect to the natal points and planets. I don’t consider the aspect of a natal planets to a duad planets, only the duad to the natal. In my research, the duad to natal is channeled while there is no sign of the natal to duad aspect’ energy in a person’s life. The aspects are still arguable. I consider only the conjunction and opposition, and rarely the square. I don’t use the trine and sextile mainly because they are as energy charged as the 1st and 2nd harmonic aspects. The orb is also arguable. I tend to keep the orb tight so as not to create mumbo jumbo to much going on interpretations. The aspect should be read as a natal aspect.

  • Nicole Kidman an Actress


Nicole Kidman has been known in her roles as intense, cold, morbid and sexual. She has been given the title of the Ice Queen for her unemotional, stern and cold demeanors and appearances. It is quite plutonic terms she has been given. And It is  shown in her birth chart; she has Scorpio ascendant and eighth house Sun. But the duad/12th explains a lot. Her Duad Pluto is conjunct her natal Ascendant: She embodies the pluto energies in her physical self-sexual, cold, mesmerizing, influential, intense-strangely her roles are characterized by these traits too. She has a packed eighth house. Nicole’s energy will be focused on transformation, sexuality,and the underworld. Most of her debut films such as the others were eighth house focused. We talked about the importance of the Duad Sun’ position, the spiritual aspect or shelter. Her Duad sun falls in Pisces/In the 5th house. She finds a fulfilling personal and spiritual feelings when expressing herself creatively. Her fifth Sun is the sign of acting; pisces is the sign of actors and visual arts. Her Duad sun aspects Natal Pluto which further indicate her plutonian tendencies in her roles and in her identity.

  • Edgar Cayce, a Healer and a Mystic:


Cayce is the world most renowned psychic. He has been known for his psychic, and healing abilities, and being a pioneer in health/healing field. Pisces is the sign of psychics and healers. Edgar’s Duad sun falls in Pisces and his natal sun is also in Pisces. When you have your duad and natal sun in the same sign, the energy is strengthen and expressed strongly. Edgar’s had Uranus, planet of revelations, in his first house conjunct his Duad Mercury which is the sign of a true psychic. The Uranus/Mercury is known for sudden revelations, psychic abilities, astral projection but also for controversial and eccentric ideas which Edgar was famous for. He has a packed twelfth house which means healing abilities, and working with ill and weak people and not to mention the healer, psychic aspect of moon/neptune conjunction he had in the ninth house-house of god and religious.

  • Barack Obama, US President:


Something I noticed about people who rise to power is that they have either a strong configured patterns with Saturn or Pluto which indicates a need to obtain power, to obtain wealth, to obtain will power, to fulfill duty and responsibility. His Duad vertex which symbolizes our destiny-we are going through, events-are occurring in our life-, themes-we experience in our life is conjunct his natal Pluto which means,for obama case,a destined life to rise to power, o accommodate a strong will of power . His duad Sun is 6deg away from his Natal pluto, but since the orb is questioned we better not consider it. His Duad Ascendant conjunct natal Neptune shows a man with great charisma and influence also possible fraud and deception. With Duad Saturn opposite natal Mercury and Sun in Virgo it indicates his disciplined, skillful speaking abilities.

  • Stephen King, a Writer:


For writers, I noticed they have a strong mercury or third/ninth house. I took Stephen King as an example. His Duad Mercury conjunct his natal venus and 3degree away from his sun. His Duad Moon/Vertex are configured with his mercury and he has a Duad virgo, the sign of language and writing. He has sun in his Eighth house which explains his tendencies to write about mystery and horror. A lot of writers has the same configuration or a pattern.



the Hanged Man represents a reversal of your usual way of life and seeing the world from a completely different angle. Try hanging upside-down yourself and look around you. Does it not all look so different?! Your perspective has changed completely, yet the physical surroundings are exactly the same as when you were looking at it from an upright position. The Hanged Man asks you to turn your world around and view your situation differently. When you do this, you will find something new that will prove to be of greater value to you on a much deeper level. It may be that you have to sacrifice your previous beliefs or even way of life but it is a time of renewal and your life will go forward.

Number twelfth corresponds with the tarot card “The Hanged Man”. When I read the passage above, I see a connection with this tarot card and the 12th harmonic. Our usual way of life is our natal chart, and the reversal-the different angle- is our duad points. When we upside-down- I mean when we merge the duad with the natal- we see things in a different perspective but our physical surroundings-the natal chart-stays the same. We are asked to look at our duads life lessons through the position in natal chart and aspect to natal points and planets, and then we will find something new that will prove to be of greater value to us on a much deeper level.


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