In traditional astrology, each zodiac sign is further divided into three subdivisions called decans. Each zodiac sign spans exactly 30 degrees on the zodiac cycle, so the first 10 degrees of a sign represent the first decan, the second 10 degrees are the second decan, and the last 10 degrees are the third decan. This explains why people born under the same Sun sign do not always share the same traits.
We are quite familiar with sun sign compatibility when natives born under a single sign say Aries are checked for their compatibility with another sun sign born native, say Leo. For an even more comprehensive look at love and life, it is better if we rely on Decan Compatibility where the natures of both the decans are compared in the study.
Wondering as to where you are heading in your love life, marriage or friendship. Check out your decan compatibility with partner for a more detailed narrowed down approach.