Side-by-Side Chart Comparison
Compare the exact planetary placements of two people side-by-side to instantly spot similarities and differences.
Person 1 Details
How to Read a Side-by-Side Birth Chart
Comparing two birth charts side-by-side (synastry) is the most accurate way to understand the exact dynamic between two people. Whether you are comparing charts with a romantic partner, a sibling, or a business associate, seeing the exact mathematical alignment of your planets reveals the absolute truth of the relationship.
This calculator places both charts on the same grid so you can immediately spot the similarities and clashes without needing to flip back and forth between two separate diagrams.
What to Look For
When comparing two charts, you want to look for exact matches in Signs, and complementary placements in Houses.
Same Ascendant (Lagna)
If both people share the same Ascendant sign, it means your charts align perfectly. A planet sitting in the 10th house of career for Person 1 will also be in the 10th house for Person 2. You approach life from the exact same fundamental perspective.
Moon Sign Matches
The Moon controls your emotions and instincts. If Person 1's Moon is in the exact same sign as Person 2's Moon, you will feel an immediate, deeply comforting emotional connection. You intuitively understand how the other person feels without them needing to speak.
Mars Connections
Mars represents physical energy, anger, and drive. If Person 1's Mars is in the same sign as Person 2's Sun, Person 1 will naturally energize and push Person 2 forward. However, if their Mars signs clash, arguments will escalate extremely quickly.
Jupiter Overlays
Jupiter is the planet of expansion and blessing. Wherever Person 1's Jupiter falls in Person 2's chart, Person 1 will naturally bring luck and wealth to that area of Person 2's life.
Frequently Asked Questions
Is this the same as Kundli Matching (36 points)?
No. The 36-point system only compares the Moon signs of the two individuals. A side-by-side chart comparison looks at all 9 planetary bodies. This gives you a much more comprehensive view of the entire relationship, including communication (Mercury) and discipline (Saturn).
What if our charts are completely different?
Different does not mean bad. If Person 1 is heavy in Water signs (emotional) and Person 2 is heavy in Earth signs (practical), they can form a perfect, balancing partnership where one person provides emotional depth and the other provides stability.
Why are Rahu and Ketu important in comparison?
Rahu and Ketu represent past life karma. If Person 1's Rahu sits exactly on Person 2's Moon, the relationship will feel incredibly magnetic, obsessive, and almost impossible to break away from, regardless of whether it is healthy or toxic.