What it means
Cancer is a water sign and a cardinal sign. Water points to feeling and intuition, and cardinal means it takes the first step, especially when someone it loves needs care. Its symbol is the crab, which carries its home on its back and keeps a hard shell over a soft interior. The Moon, its ruler, ties Cancer to moods, memory and the past. The Codex calls the Cancer Sun the protector, whose purpose is to create emotional safety and nurture what matters. It tends to shine when caring for its people and honoring its own feelings.
Strengths
Loyalty, empathy, a long memory, protectiveness, and a talent for making any place feel like home.
Challenges
Moodiness, taking things personally, holding on to old hurts, and retreating into the shell instead of saying what is wrong.
Dates
The Sun moves through Cancer from about June 21 to July 22. The exact dates shift by a day or so from year to year, so if you were born near either edge, your birth time and place decide which sign your Sun is in. A free blueprint calculates it exactly.
How Cosmic Array reads it
Your Sun is one part of the chart, not the whole of it. The Moon and Rising sign change the picture: a Cancer Sun with an Aries Rising may look brisk and independent to strangers, while the people closest to it see how much it worries about everyone. Cosmic Array also reads your Sun against your numerology and Human Design, and where they pull in different directions, the blueprint names that tension instead of picking one side.