Sun in 3rd House Synastry – How It Actually Affects Your Relationship Dynamics

by Dawn Rose

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Did you know that synastry overlays are one of the first things to look at when doing a synastry analysis?

Sun in the 3rd house synastry overlay will give us on overview of how our egos interact and how our partner’s creative expression plays out in our life; how it affects our communication style, way of thinking and the relationship with our siblings; whether it inspires us or makes us feel belittled. And vice versa.

The Sun is our vital force, it is the main inner driver that gives us a reason to live on this earth, so it is a central part of the horoscope that shouldn’t be overlooked when examining the possible emotional and psychological dynamics of a relationship.

So, what does the Sun in 3rd house synastry overlay imply about your relationship?

I will give you ALL possible versions of how this can play out in your life if you just keep reading.

Before I do that, however, I would like to remind you that synastry overlays are actually the SECOND step in compatibility analysis AFTER both charts have been examined separately.

Studying the separate horoscope of each partner is crucial, because this gives imperative insight into what each individual needs in a relationship. The separate horoscopes of both partners reveal hidden emotional patterns, which the individual may not even be aware of. The birth chart of each partner provides important information about how they approach a relationship, what type of relationship is most suitable for their personality and subconscious behavioral patterns, and whether they need to undergo considerable inner growth before they can mature for a long-term union.

Most importantly, the separate horoscope of each individual provides hidden trauma that may be sabotaging each and every relationship they form, which may in turn undermine this particular union if they are not consciously working on alleviating pain from the past.

The position of the Sun, Moon, Venus and Mars should be closely examined in each of the horoscopes, and so should the state of the 1st, 7th, 5th house and their rulers. It is especially critical to look at hard aspect between Moon, Venus, Mars and Saturn and Pluto. Challenging aspects with Saturn will give the individual an inborn inability to express love and would suggest a certain level of maturity before they can get married and create a family.

Difficult aspects with Pluto would suggest deep psychological trauma, an inherent tendency to manipulate and in the case of a Pluto-Mars square even a tendency for violence or attracting aggressive partners.

I have created two step-by-step beginner guides, which to a certain degree cover this very first crucial step of the compatibility analysis in the following articles, which I believe you should check out before you continue with synastry overlays:

What zodiac sign am I compatible with?

And

What horoscope am I compatible with?

If you are not sure how to approach a thorough and complete synastry analysis by yourself, you can also check out my Astrology Services.

Now that you are aware of the preliminary preparation required before moving onto synastry overlays, let’s talk about the Sun in 3rd house synastry overlay meaning.

The Sun

Also check out The True Moon Sign Meaning: Your Hidden Key To…

In the birth chart, the Sun represents the center of our personality, just as the Sun is the center of the solar system.

The Sun’s position in the natal chart – by sign, house and aspects creates the fundamental basis of our character, on which all other influences from the other planets are superimposed. For this reason, when we compare the birth charts of two people, we first pay attention to the relative position of their Suns. Although the streams of influence between two people flow through different energy channels, connecting different points of their horoscopes, the Sun with its representation of the ego is one of the principal channels of interaction that needs to be examined.

In synastry analysis, when we do an overlay of two birth horoscopes, your partner’s Sun falls in one of the twelve houses of your horoscope. In each of these twelve positions, it sets a certain color for your relationship and shows an area of ​​your life where the other will have a strong influence.

One Important Thing To Remember About Sun in 3rd House Synastry

Also check out Why Zodiac Signs Can Mislead You About Love Compatibility

The most important thing to remember about having someone’s Sun in your third house in Synastry is that it acts as a permanent transit to your third house!

This means that for as long as you are in this particular relationship, for as long as you communicate and exchange energies with this person, their Sun will be like a permanent transit in your third house.

Their Sun, with all it represents will be affecting your communication style, your way of thinking, and even the relationship with your siblings! If you have planets in your third house, their Sun will be further activating these planets, and the aspects they are making.

3rd House in Synastry

When a partner’s planets fall in our 3rd house, they can become a source of knowledge and information for us, or, conversely, hinder communication with other people, the desire to learn, and restrict movement.

If these are personal planets, the partner can easily be perceived by us as a relative or a friend; it is easy for us to find a common language with them. Sometimes planets in the 3rd house can also clarify how we will communicate with a person.

The third house also has to do with our thought patterns, so a partner’s Sun being placed there can literally illuminate our mind, make us more positive and optimistic and even help us come up with new ideas. That is, if we don’t have a badly aspected planet in there or their Sun isn’t afflicted.

Also check out Moon in 3rd House Synastry

Sun in 3rd House Synastry Meaning

The third house is the area of the natal chart, in which our relationships from early childhood and the closest environment are projected. This is the area, representing communication and learning, the accumulation of useful knowledge and skills.

This is why in the Sun in 3rd house synastry overlay, it is very common that the initial impetus to start the relationship was common learning or joint training. The relationship might have also started due to mutual admiration for the intellect of the other; they may have felt especially attracted to the other person’s communication style, wittiness, and thirst of knowledge.

Sun in the 3rd house synastry overlay is a good basis for good joint achievements in the field of science, but for a long emotional connection this placement is insufficient unless there are other significant romantic connections between the two horoscopes.  

Nevertheless, you can learn a lot from your partner with the Sun in 3rd house synastry overlay. They can be an inspiration and stimulus for you to develop and achieve a higher level of education or improve your practical skills. In turn, you can help them integrate into the environment you live together and support them in communicating with others.

In general, however, the relationship remains on a superficial and emotionally distant level.

The Psychology Behind Sun in 3rd House Synastry

When one’s Sun falls in the third house of a partner’s horoscope, the house person’s psychological orientation will encourage the Sun person to project their essential self into that sector of their partner’s life, connected with the way in which he or she relates to their immediate environment and gathers information of a practical nature.

The house person will appreciate the mental stimulus their partner is able to provide. The Sun person will usually listen attentively to their conversations, encouraging the house person to state their point of view and assisting them to develop his or her ideas on a broad basis, giving them a greater meaning and significance in the process.

As a result, a lively companionship can develop with the Sun in 3rd house synastry overlay, particularly on the mental level.

The Sun can sometimes help to ease their partner’s traveling problems, but at the mental level they may well expect their partner to make some effort to solve his or her own problems, first supplying the know-how, then leaving them to put it into practice.

Brotherly association is favored by the Sun in 3rd house synastry overlay. When opposite sexes are involved, the relationship may approximate more to that of brother and sister than husband and wife.

Sun in 3rd House Synastry – Further Interpretations

The Sun in 3rd house synastry overlay  generally creates a comfortable atmosphere in your relationship. You will love talking to each other about the trivial details of your day, and it won’t seem as boring as it may to other couples.

While this overlay is not romantically oriented, it adds a positive boost to any relationship.

The Sun person sees common sense in the house person and usually they think they are a great companion. The Sun person feels that the house person is doing everything right. You may even consider your house person to be predictable, but you don’t mind because your relationship also seems right and comfortable.

If you are the house person in a Sun in the 3rd house synastry overlay, the Sun person really gets you started. With them, you feel mentally energized and even smarter. The Sun person can excite you so much that your heart rate can rise while they are in your presence. The Sun person energizes your nervous system.

The karmic meaning of Sun in 3rd House Synastry Overlay

For me, this partner is a person with whom, maintaining even a superficial relationship, I can learn a lot, especially with regard to improving my social ethics.

His or her initiatives and intentions will cause me a kind of subconscious reactions that I would rather not be attributed to the partner, but, on the contrary, it is worth realizing, carefully analyzing and drawing conclusions about how in essence I treat people, what I expect from them and what I am ready to do for them.

A partner in the course of communication will be inclined (in the direct sense of the aspect) to teach me on various occasions and even become preachy at times.

Sun in 3rd House Synastry Worst-Case Scenario

When the Sun person is an unevolved individual with a rather afflicted Sun, they can certainly put the house person ‘in their shadow’ when it comes to communication and learning.

They can either seize the house person’s inspiration flow with their know-it-all attitude or become the preacher and teacher no one asked for. They can try to constantly impose their opinions and knowledge on the other person, aspiring to be someone, who ‘improves’ them and helps them become better in life.

The Sun person can also become bossy and controlling about the immediate environment of the house person. Who they spend their time with, how they communicate with their closest friends, and even the relationship with siblings can be affected.

The Sun is a strong force, so an afflicted third house can further illuminate communication and close relationship difficulties a person already has.

Sun in 3rd House Synastry Best-Case Scenario

Although the Sun in 3rd house synastry overlay is not a particularly romantic one or indicative of a strong emotional bond, it can act as a great stimulus in a relationship.

When supported by other romantic aspects, this placement can encourage both people to constantly learn together, go on short trips, and enjoy the small things in life. They will certainly enjoy each other’s company and always find new things to explore.

With good cross-aspects the Sun person can also help the house person improve the relationship with their siblings and really stimulate them to become more creative and expressive in their communication style.

The Sun in 3rd house synastry overlay is just one of many factors that need to be considered when making a compatibility analysis, but I sincerely hope that this article did shed some light on the dynamics of your relationship.

Check out all articles on Love Compatibility Here as well as our FREE Synastry App, which is pretty accurate in giving you an overview of the long-term potential of the relationship.

For a professional in-depth reading that will also give you remedies and actionable steps to thrive in your love life, check out my Astrology Services.