Astrocartography for one person asks a simple question: what does my birth chart look like from another place on Earth? The planets keep their signs and degrees wherever you go, but the horizon changes, and with it the Ascendant, the Midheaven and the twelve houses. A planet that sat quietly in a corner of your chart at birth can stand on an angle somewhere else and colour life there.

For a couple, the question changes shape. It is no longer where one of you would thrive. It is where both of you would, and where the relationship itself would. Anyone who has planned a holiday for two already knows the problem: one person wants mountains, the other wants a beach, and the place that satisfies both is either very rare or a mountain with a beach that nobody has found yet. Couple astrocartography is built around that problem.

Three charts at every place

Our report scores every place three times, using the same rules as astrocartography for one person.

First on your chart, relocated to that place. Then on your partner's chart, relocated to the same place. And then on the Davison chart, the chart of the relationship itself.

The Davison is cast for the moment halfway in time between your two births, and for the place halfway between your two birthplaces. It is a real sky over a real point on Earth, which means its planets stood on angles somewhere, just like yours. So the relationship has planetary lines of its own, and they can be drawn on a map. The midpoint between two birthplaces is sometimes a pleasant city and sometimes the middle of an ocean, which is one more place the relationship has never been on holiday.

Why the Davison and not the composite?

Many people know the composite chart, the other well-known chart of a relationship. The composite is made by averaging the two charts planet by planet: the midpoint of your Suns, the midpoint of your Moons, and so on. It is a useful picture of the pair, and our site offers it as its own report. But it has no moment of its own. No sky ever looked like a composite chart, so there is nothing to project onto a map without inventing it.

The Davison does have a moment. That is what makes it the honest relationship chart for astrocartography: its lines are as real as yours.

How a place is scored for the two of you

Each chart gets a score from 0 to 100 at every place, where 50 is neutral. A planet on an angle counts most, more the closer it is to exact, and a planet in a house that matters for your aim counts as well.

The couple score is then 40% your score, 40% your partner's and 20% the relationship chart's. Then comes the part that makes it a couple ranking rather than an average: the report subtracts 3 points for every 10 points of difference between your two scores.

A hypothetical example shows why. Suppose a city scores 80 for you and 40 for your partner, and 60 for the Davison. The weighted average is 60, but the gap between you is 40 points, so 12 points come off, and the city lands at 48. Another city scores 65 for you, 63 for your partner and 60 for the Davison. Its average is a little over 63, the gap is only 2 points, and it finishes at about 63. The second city wins, and it should. A place that lifts one of you and weighs on the other is not a place for the two of you, however good the average looks. One partner thriving while the other counts the days is a familiar story, and it rarely ends with both of them saying what a good decision it was.

Next to every place you see all three scores and the planets behind them, so you can tell at a glance who a place favours and why.

What the place is for

A city that suits a romantic week may be the wrong city for raising children, so the report asks what the place is for. You choose from living together, romance and a trip for two, starting a family, a business together, adventure together, or a peaceful life together. Each aim weighs the planets and houses that matter for it. If none of them says what you have in mind, you can write the aim in your own words, for example "open a restaurant together", and the 300 places are ranked for that.

The map, and the two of you in one city

Above the ranking, the report draws all three charts on one map: your lines, your partner's and the relationship's. Solid lines mark a planet at the top or bottom of the sky there, dashed lines a planet rising or setting. You can hide a planet or a whole chart to see the others clearly.

Pick one city, from the ranking or by typing it in, and the report shows the two of you there: where it ranks for your aim, and what counts in each of the three charts in that place.

It also shows the relocated synastry. The aspects between your two charts are the same everywhere on Earth; your Venus trines your partner's Moon in every city. What a place changes is the houses, and so whose house each planet lands in. Your Venus might fall in your partner's seventh house in one city, the house of partnership, and in their twelfth somewhere else, the house of what is private and hidden. The report lists each person's planets in the other's houses at the birthplaces and in the city you chose, and highlights the ones that change.

If you would like it in words, you can ask the AI astrologer to read the best places for the two of you, or the two of you in one particular city.

Both birth times are needed

The whole map is made of angles, and the angles come from the birth times. Four minutes of error moves them a degree, about a hundred kilometres on the map. The Davison is cast from both times too. So the report needs a reliable birth time for each of you, and will say which one is missing.

A conversation starter, not a decision

Couple astrocartography does not tell anyone where to live. It describes how your two charts and your relationship's chart read in different places, for one aim at a time. It is most useful for conversations you are already having: where to spend a long trip, which of two cities fits the life you both want, why one place felt so right to one of you and so ordinary to the other. Often the most interesting result is simply seeing that the two of you have quite different maps, which explains a few past arguments about holidays.

When you are both ready, see where in the world suits the two of you, choose what the place is for, and open any city to see both of you there.

Frequently asked questions

What is couple astrocartography?
Astrocartography for two: places in the world scored on both partners' birth charts and on the Davison chart of the relationship, so the ranking shows where the two of you would do well together, not where one of you would.

Why the Davison chart and not the composite?
A line on a map needs a real moment, and the composite, an average of two charts, has none. The Davison is cast for the midpoint in time and space between your births, so it is a real sky and can be drawn on a map.

What if a place is great for one of us and not the other?
It loses points. The couple score subtracts 3 points for every 10 points between your two scores, and each row shows both scores, so you can see who a place favours.

Do we both need an exact birth time?
Yes. The lines and the houses at each place come from the angles of each chart, and the angles move about a degree every four minutes. The Davison is cast from both times as well.

What is the relocated synastry?
The houses of both charts cast for one city. The aspects between you stay the same everywhere, but which of your partner's houses each of your planets falls into changes with the place, and that changes how you meet each other there.