Davison Relationship Chart

A horoscope calculated by combining the birth data of two individuals – not to be confused with the term composite chart. Both Davison Relationship charts and composite horoscopes can help to quickly assess the main themes within a relationship – and this applies to all kinds of interpersonal relationships. A Davison Relationship chart can also be erected for more than two people.

Calculation

The date and time can be determined by calculating the day that lies exactly between the natal charts of those involved. The same principle is also applied to the times of birth.

If the individuals involved have different places of birth a combined "place of birth" is calculated by taking the average values of latitude and longitude.

The calculations for erecting a Davison Relationship chart for more than two people is a more complicated procedure.

Interpretation

Even if the combined place of birth is located in the middle of the pacific ocean – the Davison Relationship chart is still – as opposed to the composite chart - a concrete horoscope which can, like any natal chart be used as a basis to calculate solar return charts, progressions and the effect of transits. According to Mona Riegger the DRC "can help to reveal the main theme which brought two people together, the kinds of experiences they will have, and which areas of life will be most affected." So the DRC can be a key which can unlock the door to the deeper mysteries of a relationship in a way that other methods such as synastry are not able to do.

The horoscope is considered using the usual criteria for interpretation. The DRC initially describes the partnership as a whole. But it can also reveal aspects of the individuals involved. The Ascendant is then taken as representing the older partner, and the Descendant the younger one – which is at the same time his or her Ascendant. In the same way the Medium Coeli and Imum Coeli are reversed, with the MC of the older partner representing the IC of the younger one.