Home » Dreams & Meanings » Meaning of the 3rd House: for Astrology, the Astral Chart and more!

Meaning of the 3rd House: for Astrology, the Astral Chart and more!

The 3rd house corresponds to the moment of our first self-awareness. It is what starts our process of perceiving ourselves in relation to the world. It is characterized, above all, by matters related to communication.

Language and the way we communicate become distinguishing features between us and others. It is in the 3rd House that we begin to interact with the world around us and, much for this reason, this House is considered the beginning of our sense of community and communication, as an access to the world of knowledge.

It is a House that presents how we react in a practical way to rational day-to-day situations. It involves a lot of capacity for analysis and basic understanding of situations. Generally, on a closer scale, it involves elements of our daily lives, with a more automatic form of knowledge.

The ruling sign of this House is Gemini and the planet is Mercury. She will bring subjects connected to the rational side, being able to better understand how we deal with more practical issues in life. Talk about immediate learning and intelligence to analyze and understand situations. Interested? Read below about the aspects the 3rd house forms with planets and zodiac signs!

The 3rd House will very powerfully influence your way of expressing yourself and how you interpret the world around you. The planets that compose it, as well as other aspects that form it, will greatly influence the way communication is carried out.

They will also affect the way in which what is around us is interpreted and how we deal with our surroundings and with the events of each day. See below some details about this House!


The characteristics that the 3rd house influences begin to be developed in childhood. In this way, it is a House that speaks of fraternal relationships (with cousins, brothers, etc.), which are very important for the formation of these qualities.

It represents what is around us, like the environment in which we grew up, also involving everything related to our early childhood education. In addition, it connects the ability to identify and name things.

It is right after the 1st house, which brings a great release of energy from our birth, and after the 2nd house, which is our closest contact with the material plane. The 3rd House comes to bring us the outside world, where we perceive ourselves as alien to the universe that surrounds us.


Mercury is a planet that relates to the workings of the mind and intellect, as well as the act of exchanging information. In mythology, it was the planet responsible for bringing information from the gods to humans and, symbolically, we can interpret this as the planet that brings higher knowledge to everyday reality.

Mercury is associated with Gemini and this link ends up being responsible for putting together various pieces of information and relating them to each other and in relation to aspects around us.

In House 3, Mercury is very strong, as it will be very influential in how the person thinks, learns and absorbs experiences. In addition, it favors the search for arguments when presenting an idea or a project.

In general, people with Mercury in the 3rd house have a witty and observant mind, being someone with quick responses. Gemini in this house imparts a quickness to Mercury’s characteristics. Generally, they are people who always have an opinion about everything, including subjects they know nothing about.


The 3rd House is the one that builds concrete knowledge, they are constructions that we build based on facts that we collect and absorb throughout our lives. The 9th house is related to the most abstract and philosophical part. This is where we will analyze the data we collect in Casa 3.

The 9th House is also very connected to the intuitive, acting when we don’t need evidence to believe in one thing or another. She is more connected to the ability to create symbols and owns a propensity to give an indisputable meaning to a given event.

The 3rd house is connected to the left side of the brain, linked to what is analytical and mental. House 9, on the other hand, connects to the right side of the brain, which can imagine a drawing from loose strokes.


In Astrology, the 3rd House is responsible for characteristics that are formed in childhood and in the relationships we have within the family, with neighbors who may become childhood classmates or, even, with people from school life.

While the 3rd House talks about how we relate to the outside world, it also talks about what we absorb from it. In childhood, siblings are very close agents and, therefore, have a lot of influence in this regard.

Through the analysis of the 3rd house, we begin to have access to the form of relationships we create and the image we build of people from our childhood. From this analysis, we begin to understand how we architect the world around us.

When the children’s universe is expanded and school relationships are added, the contact we have with the world becomes greater. Likewise, we increase the number of opinions and social interactions that build our character.


The school is one of the first social environments with which the child has contact and creates relationships outside the home. It is in the school environment that we come into contact with children who may have completely different personalities from those we are used to, as well as with new and often stimulating content.

All these new relationships and knowledge are fuel for our mind and the way we deal with it is directly linked to our 3rd House. From the planets that are in this House, we can get a sense of the best ways of learning. The best ways to acquire and process information appear in this phase.

Furthermore, the 3rd house gives us the chance to see ourselves in front of people other than our own family. In this school aspect, the child is very active throughout childhood and goes on until adolescence. The discussions of ideas in this period and the questions are fundamental for the creation of identity in front of the world.


Mercury, when in the 3rd house, has a lot of strength, mainly because this is one of its main houses. Depending on how it is aspected, it can cause different results. If it is in aspect with Mars, Jupiter or Uranus, we will have a more sociable and agile mind.

If it is in aspect with Saturn or an earth sign, we will have someone slower and deeper. What we consider to be good for social parameters will not always be good for humanity. Therefore, all varieties of Mercury in the 3rd house have a value for the collective.

Generally speaking, those with Mercury in this position will be a person of keen intellect, alert, communicative, with quick and detailed responses. You will be able to find very solid arguments to defend your projects.


It is possible that if there are many planets in a person’s 3rd house, there were many house changes in his childhood. How this affects the individual depends a lot on how the other planets are positioned.

Perhaps, the person has become very adaptable to change, developing incredible flexibility. Others, however, may suffer greatly from having lost the friendships they had built. The latter may have a reflection of this even in adult life, trying to compensate for an unstable childhood with a safe home.


As an astrological position of communication, the 3rd house is related to teaching, writing, journalism, advertising agencies, copywriting, sales or even secretarial activities. In addition, aspects of Mercury also favor activities related to transport and even logistics.

The astrological houses correspond to the divisions of the sky. According to Astrology, there are 12 Houses, as well as 12 signs. These Houses are grouped and classified in a few different ways. This gives more tools and ways of understanding their meanings. We will have Hemispheres, Quadrants, Angular Houses, Succedent Houses or Cadent Houses.

We will still have some classifications by elements, being able to call them Houses of Fire, Earth, Air and Water. Each one with specific and detailed characteristics. Read on to learn more about each one of them!


Each of the Houses corresponds to an aspect of the native’s life and personality. These will be influenced by the signs under which they are governed and may also be inhabited by planets.

Each sign takes its energies to the House it governs and consequently takes those energies to a certain area of ​​the governed’s life. Likewise, the planets in the Houses accentuate characteristics or bring obstacles that must be dealt with and overcome.

In addition, planets can create aspects to each other, which can influence the natives in other ways. The 3rd House will suffer inclinations, according to the sign to which it is related, as well as the number of planets that inhabit it.


The Astrological Chart has a structure beyond the 12 Houses. The astrological houses are divided into four hemispheres: East, West, North and South. Each of these sectors will work together, governing certain aspects of life.

The more planets there are in any of these sectors, the more influences we can expect from certain areas, which are the ones that gain more attention in an Astral analysis.

Analyzing the Astral Mandala, we identify the Northern Hemisphere in the lower half of the Map and the Southern Hemisphere in the upper half. East will be on the left half and West on the right half. The 3rd house, therefore, is found in both the Northern and Eastern Hemispheres.


The First Quadrant is represented by the Astrological Houses 1, 2 and 3. If this region of the Astral Chart is heavily populated by planets, it is likely that the person has a more private personality, who is more independent.

She may prefer to make plans for herself. It is a subject who feels that he is capable of accomplishing more, without the distractions caused by social interaction. Generally, the native is more objective and self-sufficient, without much openness to outside opinion or involvement.


The Angular Houses are those immediately after the four angles: the 1st being the House of the Ascendant, the 4th being the Bottom of Heaven, the 7th being the Descendant and the 10th being the Midheaven.

As they present opposite signs, generally, they will be representing four spheres of life…

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