Skip to content
Genastro

Sign compatibility

Leo and Cancer

How the Sun in Cancer and the Sun in Leo relate by element, modality and position, and what two traditions say about the pairing. It does not predict how two people get on.

  • Cancer
  • Leo
Elements
Water and fire
Modalities
Cardinal and fixed
Angle between the signs
Semisextile (30°), counted by sign

How common is each Sun sign

  • Sun in Cancer8.72%of 2,000,000 simulated births, 2nd most common of 12
  • Sun in Leo8.78%of 2,000,000 simulated births, the most common of 12

There is no simulated figure for the pair itself. These are the shares of each Sun sign on its own.

In plain words

  • Sun in Cancer

    In Cancer, the Sun expresses itself in a protective, attached way.

  • Sun in Leo

    In Leo, the Sun expresses itself in a warm, open way.

Generic readingA generic description in the style of modern astrology, the same for everyone who has this placement. Not a prediction.

Do you have this?

Is your Sun in Cancer or Leo?

Enter your birth details. The same engine as the full calculator computes your chart and checks it against this page. Only your Sun is compared, so a birth time matters only on a day when the Sun changes sign.

Date of birth
Exact time of birth24-hour

Pick the nearest city or town from the list.

What is being compared in Leo and Cancer?

  1. What is compared

    Two Sun signs

    This page sets the Sun in Cancer against the Sun in Leo: each has an element, a modality and a ruler. No tradition on this site claims to predict how two people get on.

  2. How the signs relate

    Semisextile (30°)

    Water (cold and moist) and fire (hot and dry) share no classical quality. Cardinal and fixed: one opens a season, the other sits mid-season. Cancer and Leo are 1 signs apart, a semisextile (30°) counted by sign. Hellenistic astrologers call signs this far apart in aversion: they hold that the two signs do not see each other.

  3. How common it is

    No pair figure

    There is no simulated figure for the pair itself. These are the shares of each Sun sign on its own. Sun in Cancer: 8.72% of simulated births, about 1 in 11; 2nd most common of 12. Sun in Leo: 8.78% of simulated births, about 1 in 11; the most common of 12.

How do Leo and Cancer relate?

Leo

Fixed fire

Leo is a positive (yang) sign: fire and air signs are positive, earth and water signs negative.

Cancer

Cardinal water

Cancer is a negative (yin) sign: fire and air signs are positive, earth and water signs negative.

Water (cold and moist) and fire (hot and dry) share no classical quality. Cardinal and fixed: one opens a season, the other sits mid-season. Cancer and Leo are 1 signs apart, a semisextile (30°) counted by sign. Hellenistic astrologers call signs this far apart in aversion: they hold that the two signs do not see each other.

How common is each of the two Sun signs?

How common is each Sun sign?

An even split of the 12 signsBars start at zero.Share of simulated births with the Sun in each of the 12 signs. Share of 2,000,000 simulated births (1950–2024), tropical zodiac.

When is the Sun in Cancer and in Leo?

Sun in Cancer, last pass
ended 22 Jul 2026
21 June 2026, 08:24 UTC to 22 July 2026, 19:13 UTC (about 31 days)
Sun in Cancer, next pass
from 21 Jun 2027
21 June 2027, 14:10 UTC to 23 July 2027, 01:04 UTC (about 31 days)
Sun in Leo, last pass
ended 23 Aug 2026
22 July 2026, 19:13 UTC to 23 August 2026, 02:18 UTC (about 31 days)
Sun in Leo, next pass
from 23 Jul 2027
23 July 2027, 01:04 UTC to 23 August 2027, 08:14 UTC (about 31 days)

Last, current and next passes

  1. Sun in Cancer

    21 Jun 2026 → 22 Jul 2026 · about 31 days

    last pass

  2. Sun in Leo

    22 Jul 2026 → 23 Aug 2026 · about 31 days

    last pass

  3. Sun in Cancer

    21 Jun 2027 → 23 Jul 2027 · about 31 days

    next pass

  4. Sun in Leo

    23 Jul 2027 → 23 Aug 2027 · about 31 days

    next pass

  • Each year the Sun is in Cancer from about 20–22 June to 22–24 July (UTC dates, 1900–2050).
  • Each year the Sun is in Leo from about 22–24 July to 22–24 August (UTC dates, 1900–2050).

As of 16 October 2026, 13:26 UTC. Dates are UTC, tropical zodiac, read from the ephemeris's table of sign entries. This page refreshes hourly.

What do different traditions say about Leo and Cancer?

AI-written text that an AI research review then checked against sources. No person has reviewed it; the notes and references behind each check are under its label.

Hellenistic

The astrology of the Greek-speaking Mediterranean from roughly the 1st century BCE to the 7th century CE, as recorded by authors such as Vettius Valens, Dorotheus and Ptolemy.

AI-written, checked by AI

1 Oct 2026

Cancer and Leo are adjacent, so each is the second sign from the other. Hellenistic astrologers call that aversion: the signs do not see each other by any aspect. Cancer is a feminine, cardinal water sign and Leo a masculine, fixed fire sign. They are the homes of the Moon and the Sun, the two lights, so the pair joins the rulers of night and day with no configuration between them. Neither light has dignity in the other's sign, and Saturn is in detriment in both, a concept the tradition names explicitly only late. Aversion here names a missing link between the signs, not a clash. This page applies the idea to two people's signs, which goes beyond a doctrine defined inside one chart.

A note on “detriment”: the early Hellenistic texts note a planet opposite its own sign without naming it. The term is defined only in late and medieval sources, and scholars disagree on whether the idea was implicit earlier.

Sources

  • Ptolemy, Tetrabiblos, Book I
  • Chris Brennan, Hellenistic Astrology: The Study of Fate and Fortune (2017)

What was checked

An AI research review checked this text against sources on 1 Oct 2026. No person has reviewed it.

Reviewer's notes

Aspects/aversion by sign (Ptolemy I.13, I.16), dignities, genders and modalities confirmed; the block already says it applies a one-chart doctrine to two people's signs as an extension, which is this page's choice and not an ancient claim. Added a note that detriment is a late-named concept.

Sources consulted

Modern psychological

The 20th-century Western approach shaped by Alan Leo, Dane Rudhyar and Liz Greene, drawing on Jungian psychology.

AI-written, checked by AI

1 Oct 2026

Cancer and Leo are adjacent signs, one apart, a semisextile. They share neither element nor modality: Cancer is cardinal water and Leo fixed fire. Modern psychological astrology reads adjacent signs as unlike in focus. It associates Cancer with safety, memory and care, and Leo with expression, play and visibility. Hellenistic astrologers treat adjacent signs as being in aversion, meaning no aspect links them. They read this as a lack of direct connection, not as hostility. The Moon governs Cancer and the Sun governs Leo in their scheme, so each sign has its own luminary as lord. Modern psychological astrology reads the Moon as emotional need and the Sun as conscious aim, so the two signs frame need beside display. Sign pairing is a general description only.

Sources

  • Liz Greene, Relating: An Astrological Guide to Living with Others on a Small Planet (1977)
  • Stephen Arroyo, Astrology, Psychology, and the Four Elements (1975)
  • Chris Brennan, Hellenistic Astrology: The Study of Fate and Fortune (2017)

What was checked

An AI research review checked this text against sources on 1 Oct 2026. No person has reviewed it.

Reviewer's notes

Verified: Cancer and Leo are adjacent (aversion), cardinal water and fixed fire; the Moon rules Cancer and the Sun rules Leo. Added a sentence on the modern Sun/Moon reading (aim versus need, as in The Luminaries) to reach 110 words. Interpretive keywords are consistent with the sign keywords in the project reference data but were not checked against the books' own text; no claim is made about how a pair will fare.

Sources consulted

Where they differ

Hellenistic astrology reasons from technique: essential dignity, sect and configuration by sign. Modern psychological astrology reasons from element, modality and the planet's function. They start from different questions, so the same placement can read differently, and neither reading is the verdict. Both use the tropical zodiac here.

Where next?