Cancer
June 21: July 21 · Water · Cardinal · Ruled by Moon
"felt the room before entering it."
Cancer at a glance
| Sun in Cancer | June 21: July 21 in most years |
|---|---|
| Position in the zodiac | 4 of 12, 90° to 120° of the ecliptic |
| Element | Water |
| Modality | Cardinal |
| Polarity | Negative (night, inward) |
| Ruling planet | Moon |
| Opposite sign | Capricorn |
| Natural house | 4th house (home, roots and family) |
| Symbol | Crab |
| Time in the sign | Sun about 30 days a year, Moon about 2.5 days a month, Rising about 2 hours a day |
Cancer in October 2026
| Sun | Libra until October 23 (your 4th house, home and roots), then Scorpio (your 5th house, creativity, play and romance) |
|---|---|
| New Moon | October 10, 17° Libra, your 4th house (home and roots) |
| Full Moon | October 26, 3° Taurus, your 11th house (community, friends and hopes) |
| Turns retrograde | Venus on October 3 at 8° Scorpio (your 5th house); Mercury on October 24 at 21° Scorpio (your 5th house) |
| Turns direct | Pluto on October 16 at 3° Aquarius (your 8th house) |
| Retrograde as the month opens | Saturn, Uranus, Neptune and Pluto |
| Days that favour a move | October 10 and 16 |
| Days to step lightly | October 3, 24 and 26 |
You read a month by how safe it feels before you read anything else. The Moon runs your year through instinct and belonging, so the sky's shifts register in your body as a change in the emotional weather at home. In October 2026 the Sun moves through Libra until the 23rd, your 4th house of home and roots; from the 23rd it enters Scorpio and turns the light onto creativity, play and romance. The New Moon on October 10 falls in Libra, your 4th house of home and roots; the Full Moon on the 26th falls in Taurus, your 11th house of community, friends and hopes. Venus on the 3rd and Mercury on the 24th turn retrograde in Scorpio, your 5th house of creativity, play and romance; Saturn, Uranus, Neptune and Pluto are already retrograde as the month opens. These are the dates. How they land for a Cancer, week by week, is what the October edition reads for your sign, yours to keep.
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- When are the New Moon and Full Moon in October 2026 for Cancer?
- The New Moon is on October 10, 2026 at 17° Libra, which is Cancer's 4th house of home and roots. The Full Moon is on October 26, 2026 at 3° Taurus, which is Cancer's 11th house of community, friends and hopes.
- Is Mercury retrograde in October 2026, and where does it land for Cancer?
- Yes. Venus stations retrograde on October 3, 2026 at 8° Scorpio, Cancer's 5th house of creativity, play and romance. Mercury stations retrograde on October 24, 2026 at 21° Scorpio, Cancer's 5th house of creativity, play and romance. Saturn, Uranus, Neptune and Pluto are already retrograde when the month opens.
- Which days in October 2026 are strongest for Cancer?
- The days that favour a real move are October 10 and 16, 2026: New Moon and direct-station days. The days to step lightly are October 3, 24 and 26: Full Moon and retrograde-station days. The dates are computed from the lunations and planetary stations of the month, not from a generic calendar.
Computed from the lunations, ingresses and planetary stations of October 2026, houses counted from Cancer. Updated 2026-09-17.
core traits
Cancer, read closely
Cancer is the protector: the sign that creates emotional safety in a world that doesn't always feel safe. Ruled by the Moon, Cancer energy is intuitive, cyclical, and deeply tied to memory. The 'moody' stereotype misses the point: Cancer feels everything because Cancer pays attention to everything. The shadow is emotional manipulation and refusal to release the past. The gift is the ability to make anyone feel at home.
the shadow side
moodiness that controls the room. guilt as a weapon. clinging to the past because the future is uncertain. building walls so thick that even the people you love can't get through.
compatibility
see Cancer compatibility with every sign → · real compatibility requires full charts. learn about synastry →
Cancer sun + every moon sign
planets in Cancer
famous Cancer placements
Ariana Grande · Post Malone · Selena Gomez · Solange
Cancer, frequently asked
What dates is Cancer season?
The Sun is in Cancer from June 21: July 21 in most years. The exact boundary shifts by about a day depending on the year and your time zone, so anyone born on the first or last day of the range should read the Sun sign from a birth chart rather than from a table.
What element and modality is Cancer?
Cancer is a cardinal water sign, ruled by Moon. Water signs run on feeling and memory; cardinal signs open a season and start things. Its polarity is negative (night, inward).
What is the opposite sign of Cancer?
Capricorn. Opposite signs sit 180 degrees apart on the same axis and are two answers to one question, which is why the Cancer and Capricorn pairing feels both familiar and demanding. In a birth chart, planets in Cancer and Capricorn face each other across that axis.
Which house does Cancer rule?
Cancer is the natural sign of the 4th house, the part of a birth chart about home, roots and family. In your own chart Cancer can sit on any house cusp; your Rising sign decides where, which is why two people with the same Sun sign live it in different rooms of life.
Who is Cancer most compatible with?
By Sun sign alone, Scorpio, Pisces, Taurus and Virgo are the classic easy fits for Cancer, and Aries and Libra the growth edges. A Sun-sign pairing compares one placement of ten. A real answer compares both full charts, which is what synastry does.
Is being a Cancer the same as having a Cancer Sun?
Usually that is what people mean: the Sun was in Cancer when you were born. Your Moon and Rising sign can be entirely different signs, and they shape how the Cancer Sun is lived. Your Big 3, read together, is the picture; the Sun alone is the outline.
Sun-sign answers are the outline. Your free Big 3 reading adds the Moon and Rising; the full birth chart adds every planet, house and aspect.