syna.
A LITTLE ASTROLOGY. A LOT OF CONNECTION.

Your stars, together.

Explore the chemistry, the comfort, and everything in between.

Two birth charts.
A new way to understand each other.
YOUR CONNECTION STARTS HERE

The two of you

Love compatibility
YouYour side of the sky

The local time where you were born.

Your personTheir side of the sky

The local time where they were born.

Chart preferences Optional

Choose whole-sign or equal houses. The reading uses tropical planetary positions and five major aspects.

Your birth details and reading are calculated in this browser.

City searches use Open-Meteo / GeoNames. Names and birth dates are not sent.

A CLOSER LOOK AT YOUR CONNECTIONThere’s more to your story.

Emotional connection

How you feel, nurture, and find comfort in each other.

Attraction & chemistry

The spark between you, and what keeps it glowing.

Communication & growth

Where you find your rhythm, and room to grow.

A LITTLE CONTEXT

Two charts.
A shared perspective.

Synastry places two birth charts side by side to explore the relationship between them.

  1. 01

    Start with your stories

    Add a birth date, local birth time, and birthplace for each person.

  2. 02

    Look at the whole picture

    We calculate planetary positions and compare the angles between your charts. Each interpretation names the aspect behind it.

  3. 03

    Find something to talk about

    Explore emotional needs, attraction, communication, and opportunities to grow together.

Planetary positions are calculated with Astronomy Engine. Interpretations use original rules based on traditional astrology. Astrology is not a scientifically validated predictor of relationship compatibility. Read our calculation method and sources.
YOUR CONNECTION

Alex & Jamie

Two different skies. A beautiful place to meet.

Calculated from example birth details
View saved connections

Saved only when you choose, in this browser.

Astrological reflection, not a scientific compatibility prediction.