Cancer: Traits and Personality
- Dates
- June 21–July 22
- Element
- Water
- Modality
- Cardinal
- Ruler
- Moon
- Opposite
- Capricorn
Cancer is the zodiac's caretaker. The Sun enters Cancer at the June solstice and stays until about July 22, the first weeks of summer in the Northern Hemisphere. A cardinal water sign ruled by the Moon, Cancer starts things through feeling: it builds homes, families and circles of friends, and protects them with remarkable determination.
The symbol of Cancer is the crab, soft inside a hard shell, moving sideways rather than head-on. Astrology describes Cancer as sensitive, perceptive and far stronger than its gentle manner suggests.
Strengths
- Care. Cancer notices who is tired, who is hungry and who needs a call, and does something about it.
- Loyalty. Once you are part of Cancer's circle, you stay there through good times and bad.
- Intuition. Cancer reads the mood of a room, and of a person, before a word is said.
- Memory. Birthdays, stories, the way something felt: Cancer keeps them all.
- Quiet determination. Cancer rarely charges ahead, but it rarely gives up on what matters.
Weaknesses
- Moodiness. Like the Moon, Cancer has phases, and they can be hard for others to follow.
- Taking things personally. A neutral comment can land as criticism when Cancer feels unsure.
- Withdrawing. When hurt, Cancer retreats into its shell instead of saying what is wrong.
- Holding on. Old grievances, old places and old habits can be hard for Cancer to release.

Cancer in love
Cancer loves deeply and wants love to feel safe. It opens up slowly, testing whether a partner is kind and consistent, and then gives its whole heart. Home is central: cooking together, family traditions and quiet evenings mean more to Cancer than grand nights out. Reassurance, spoken aloud and shown in small ways, keeps the relationship strong.
The lesson for Cancer in relationships is to ask for what it needs rather than hoping a partner will guess. Clear words work better than hints and silence.
Cancer at work
Cancer brings care and good instincts to work: teaching, health and social care, hospitality, food, human resources, property, history and any role that protects people or preserves something valuable. The sign builds loyal teams and often becomes the person everyone turns to.
Cold, purely competitive environments are harder for Cancer. It does its best work where it feels trusted and where its effort for others is recognized.
Cancer compatibility
Astrological compatibility starts with the elements and the distance between two signs. These are the traditional pairings for Cancer; any real relationship depends on the two people in it.
- Cancer and Aries: a square of two cardinal signs: protectiveness meets independence. Gentleness and patience make it work.
- Cancer and Taurus: a cozy match of water and earth, sharing loyalty, home and comfort.
- Cancer and Gemini: neighbors with different languages: feelings and ideas. Warmth and humor can bridge them.
- Cancer and Leo: neighbors with generous hearts: Leo shines, Cancer nurtures, and both love family.
- Cancer and Virgo: a caring, practical pair; Virgo helps in deeds, Cancer in feelings.
- Cancer and Libra: a square: both want harmony, but Cancer seeks closeness and Libra seeks balance and space.
- Cancer and Scorpio: two water signs with deep emotional understanding and strong loyalty.
- Cancer and Sagittarius: home meets horizon. It works when Cancer allows freedom and Sagittarius offers commitment.
- Cancer and Capricorn: opposite signs, home and career: a solid, protective pair when both show their softer side.
- Cancer and Aquarius: an unusual mix of emotion and detachment that needs patience and clear communication.
- Cancer and Pisces: tender and intuitive; one of the most emotionally attuned pairings in astrology.
Read the Cancer horoscope for today or learn more about the water signs.
Questions about Cancer
What are the Cancer dates?
The Sun is in Cancer from about June 21 to July 22. The exact start and end shift by up to a day from year to year; the zodiac sign calculator checks them for your birth year.
What is the ruling planet of Cancer?
The Moon, which astrology links with emotions, home and the need to feel safe.
What is the opposite sign of Cancer?
Capricorn. Both are cardinal signs; Cancer builds the private world of home, Capricorn the public world of work and reputation.