Cancer Compatibility: Who Gets Let In, and How Fast

Three Signs Apart: The Square and the Cardinal Cross

The zodiac is twelve sectors of 30 degrees, so any two signs stand at a fixed distance, and aspect doctrine names most of them. Three signs on from Cancer is Libra; three back is Aries. Both sit 90 degrees away, a quarter of the circle: a square. Capricorn, straight across, is the opposition.

Those four are the cardinal signs, the modality tied to action and initiative, each square to two of the others and opposite the third. All four begin things, just not the same things. You begin by making a place safe enough to stay in; Aries begins with momentum, Libra with an even footing, Capricorn with a structure built to hold.

Squares and oppositions are the genre's hard aspects. A square is described as a strong and usable tension, the kind that comes with a decision where an opportunity has a cost, and modern astrology puts little weight on the old favorable and unfavorable labels. The geometry marks where two beginnings are likely to collide, and stops there.

Twelve Pairings From Cancer's Side of the Door

Cancer and Cancer

Two people who both check the locks before sitting down. The recognition is quick, since each of you knows the hesitation from the inside. What goes missing is someone who opens first. You can spend a pleasant time in the hallway together, each waiting for the other to say the house is ready, until one of you is braver than the sign.

Cancer and Leo

Leo is the neighboring sign, 30 degrees on, and its warmth reaches you before you have decided anything. You let it in quickly; generosity that visible is hard to mistake for a threat. The strain comes later, over where the good things live: you would keep them private, Leo would bring them out for company, and each of you can read the other's instinct as withdrawal.

Cancer and Virgo

Care that shows up as a fixed hinge or a form sent on time is care you can read, and with Virgo your guard drops early. The signs are 60 degrees apart, a sextile, which the genre counts as friendly. Your risk is taking the practical help as the whole of the feeling, then waiting for words Virgo believes it has already said.

Cancer and Libra

Here is one of your two squares, both signs cardinal and both inclined to start things. You start by closing a door behind you both; Libra starts by making the pair gracious in company. Let in on charm, Libra can leave you oddly exposed, as though the relationship were conducted in public. Saying early which parts stay private spares you months of guarding them in silence.

Cancer and Scorpio

Your caution meets its own reflection here. Both signs are water, a trine apart, and trust comes with less argument than anywhere else on the wheel. The catch is that two guarded people can take mutual testing for intimacy. You may let Scorpio further in than you have let anyone, and only then notice that Scorpio is still deciding about you.

Cancer and Sagittarius

Sagittarius arrives already halfway to somewhere else, and you register that first. Five signs apart, the angle called a quincunx, you share little in element or pace. You may keep this person on the step longer than most, less from dislike than from not knowing whether they mean to stay. If they stay, you find a guest who needs almost nothing arranged.

Cancer and Capricorn

Capricorn sits directly opposite, on an axis running from private life to public standing. You tend the inside of a shared life and Capricorn its outside, which is much of the pull. The friction is timing: you want to be let into the feeling now, while Capricorn shows love by being reliable across years, a patience you may read as coolness until the years explain it.

Cancer and Aquarius

You read distance as refusal, and Aquarius keeps a little distance even when fond of you. Both of you are careful, you about who comes in and Aquarius about how close anyone stands. The pairing asks you to accept a warmth that stays near the threshold by choice. Some Cancers find that restful; others spend years trying to coax it into the kitchen.

Cancer and Pisces

With Pisces, the third water sign, you relax before checking anything, the ease the trine is known for. Over time you may drift into keeping order for both of you, because Pisces lets edges blur and someone has to remember where they were. From your side that feels like love, until it feels like a job you never applied for.

Cancer and Aries

Pace is the whole story with Aries, the other sign three away from yours. You need a moment before committing; Aries reads the moment as reluctance and presses, which makes it longer. At best, you give Aries somewhere to come back to and Aries gives you reasons to go out. At worst, each of you feels shut out by the other's tempo.

Cancer and Taurus

Trust comes to you slowly with most people, and with Taurus it comes slowly in a way you like. Nobody hurries the evening, and opening up to someone content to wait feels easy. The difficulty is small and domestic: two people who both prefer what they know can close the house around themselves and forget to open a window.

Cancer and Gemini

Gemini, the sign just before yours, talks its way to the door. You enjoy the talk and distrust it at once, because someone who can say anything has not necessarily said what they mean. Gemini may stay in the front room a long time, entertaining without convincing. What opens the rest of the house is usually one conversation Gemini did not have to have, and chose to.

Where the Moon, Venus and Mars Come In

Whether someone is let in depends on far more than the Sun, which is one placement among the many a chart holds. As Wikipedia puts it, synastry is the branch of astrology meant to show the compatibility of romantic partners.

For a Cancer the Moon carries most of the weight, since it describes the conditions under which a person feels safe. Two people with Cancer Suns, one with the Moon in Aries and one in Taurus, meet the same hard evening in opposite ways: one wants it talked through at once, the other wants quiet until morning. If your Moon is in Cancer as well, Moon in Cancer describes it in full.

Venus shows how affection is offered and what attracts, Mars how a person pursues and meets conflict; Venus in Cancer and Mars in Cancer describe both in your sign. Synastry then lays one chart over the other and reads the contacts between them, one person's Venus against the other's Moon, a Mars square a Sun.

What a Sign-by-Sign List Leaves Out

The list sorts people before you have met them. For a sign that already makes its safety decision early, it hands that decision an outside reason it has not earned: a square on paper becomes permission to keep someone on the step, a trine permission to let someone in faster than your caution would.

The measurement is coarser than it looks, too. Cancer covers 90 to 120 degrees of the zodiac and Libra 180 to 210, so a Sun late in Cancer and one early in Libra sit a little over 60 degrees apart, while the widest version of that pairing comes close to 120. Both get called a square.

Nor does the list know the rest of two charts, or the two lives that brought them to the same door. It is a sketch of temperament drawn from a distance, useful until you meet the person.

Finding Out for Both of You

The compatibility calculator compares two complete charts rather than two signs. It asks each person for a birth date and a birthplace, plus a birth time if you have one; the time is optional. What it secures is the Moon, the rising sign and the houses, and the Moon, which spends only a little over two days in a sign, is the placement a Cancer most wants settled. Without a time, read Moon and house contacts as provisional.

If your own chart is new to you, how to read a birth chart walks through one person's placements before you compare two.