Composite Sun Position Calculator
Use this calculator to find the composite Sun position for two individuals. The composite chart represents the relationship itself as a separate entity, and the Sun's position indicates the core identity and purpose of the partnership.
Person 1's Sun Position
Select Sign Aries Taurus Gemini Cancer Leo Virgo Libra Scorpio Sagittarius Capricorn Aquarius PiscesPerson 2's Sun Position
Select Sign Aries Taurus Gemini Cancer Leo Virgo Libra Scorpio Sagittarius Capricorn Aquarius PiscesComposite Sun Position:
Understanding the Composite Chart in Astrology
The composite chart is a unique and powerful tool in astrological relationship analysis. Unlike synastry, which compares two individual charts, the composite chart creates a brand new chart for the relationship itself. It's often referred to as the "chart of the relationship" or the "soul of the relationship."
What is a Composite Chart?
A composite chart is derived by finding the mathematical midpoints between the corresponding planets and house cusps in two individual birth charts. For example, if Person A's Sun is at 10° Aries and Person B's Sun is at 20° Gemini, the composite Sun would be the midpoint between these two positions. This process is repeated for all planets (Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto) and other significant points like the Ascendant and Midheaven.
Purpose and Interpretation
The composite chart reveals the inherent nature, purpose, and dynamics of a relationship. It describes what the couple creates together, their shared destiny, and how they function as a unit. It answers questions like:
- What is the core identity of this relationship? (Composite Sun)
- How does this relationship feel emotionally? (Composite Moon)
- How do we communicate and think together? (Composite Mercury)
- What do we value and how do we express affection as a couple? (Composite Venus)
- What is our shared drive and how do we take action? (Composite Mars)
By analyzing the signs, houses, and aspects of the composite planets, astrologers can gain deep insights into the strengths, challenges, and overall potential of a partnership.
How to Use This Calculator
This calculator specifically determines the composite Sun position. The Sun represents the core identity, purpose, and vitality of the relationship. To use it:
- Enter the Sun Sign and Degree for Person 1.
- Enter the Sun Sign and Degree for Person 2.
- Click "Calculate Composite Sun."
The result will show you the composite Sun's sign and degree, indicating the fundamental energy and direction of your shared journey. For example, a Composite Sun in Leo might suggest a relationship that thrives on creativity, drama, and being in the spotlight, while a Composite Sun in Capricorn could point to a partnership focused on ambition, structure, and long-term goals.
While this calculator focuses on the Sun, the same midpoint principle applies to all other planets and points in a full composite chart analysis.
Example Calculation:
Let's say:
- Person 1's Sun: 15° Aries
- Person 2's Sun: 5° Leo
In astrological degrees (where Aries 0° = 0, Taurus 0° = 30, etc.):
- Person 1 Sun = 0 (Aries) + 15 = 15 degrees
- Person 2 Sun = 120 (Leo) + 5 = 125 degrees
The midpoint is (15 + 125) / 2 = 140 / 2 = 70 degrees.
70 degrees corresponds to 10° Gemini (Gemini starts at 60 degrees, 70 – 60 = 10).
Therefore, the Composite Sun Position would be 10° Gemini.
This suggests a relationship where communication, intellect, and versatility are central to its identity and purpose.