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Genastro

Sign compatibility

Leo and Aquarius

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

  • Leo
  • Aquarius
Elements
Fire and air
Modalities
Both fixed
Angle between the signs
Opposition (180°), counted by sign

How common is each Sun sign

  • Sun in Leo8.78%of 2,000,000 simulated births, the most common of 12
  • Sun in Aquarius7.91%of 2,000,000 simulated births, the rarest 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 Leo

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

  • Sun in Aquarius

    In Aquarius, the Sun expresses itself in an independent, detached way.

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

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Is your Sun in Leo or Aquarius?

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.

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What is being compared in Leo and Aquarius?

  1. What is compared

    Two Sun signs

    This page sets the Sun in Leo against the Sun in Aquarius: 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

    Opposition (180°)

    Fire (hot and dry) and air (hot and moist) share the quality hot. Both are fixed. Leo and Aquarius are 6 signs apart, an opposition (180°) counted by sign. Hellenistic astrologers hold that signs in opposition 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 Leo: 8.78% of simulated births, about 1 in 11; the most common of 12. Sun in Aquarius: 7.91% of simulated births, about 1 in 13; the rarest of 12.

How do Leo and Aquarius relate?

Leo

Fixed fire

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

Aquarius

Fixed air

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

Fire (hot and dry) and air (hot and moist) share the quality hot. Both are fixed. Leo and Aquarius are 6 signs apart, an opposition (180°) counted by sign. Hellenistic astrologers hold that signs in opposition 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 Leo and in Aquarius?

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)
Sun in Aquarius, last pass
ended 18 Feb 2026
20 January 2026, 01:44 UTC to 18 February 2026, 15:51 UTC (about 30 days)
Sun in Aquarius, next pass
from 20 Jan 2027
20 January 2027, 07:29 UTC to 18 February 2027, 21:33 UTC (about 30 days)

Last, current and next passes

  1. Sun in Aquarius

    20 Jan 2026 → 18 Feb 2026 · about 30 days

    last pass

  2. Sun in Leo

    22 Jul 2026 → 23 Aug 2026 · about 31 days

    last pass

  3. Sun in Aquarius

    20 Jan 2027 → 18 Feb 2027 · about 30 days

    next pass

  4. Sun in Leo

    23 Jul 2027 → 23 Aug 2027 · about 31 days

    next pass

  • Each year the Sun is in Leo from about 22–24 July to 22–24 August (UTC dates, 1900–2050).
  • Each year the Sun is in Aquarius from about 19–21 January to 18–20 February (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 Aquarius?

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

Leo and Aquarius are opposite signs, six apart, which Hellenistic astrologers treat as the hard opposition. Leo is a masculine, fixed fire sign and Aquarius a masculine, fixed air sign, so both are masculine and fixed. The Sun rules Leo and Saturn rules Aquarius, so no ruler is shared. Both are day-team planets under sect, the tradition's sorting of planets into day and night teams. Each is in detriment, a concept the tradition names explicitly only late, in the other's sign: the Sun in Aquarius and Saturn in Leo. Of the twelve pairs with Leo, only this one has that two-way detriment. This block uses the traditional ruler; modern astrologers assign Uranus to Aquarius. Oppositions are defined inside one chart; applying one to two people's signs is this page's extension.

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. 'Only pair with two-way detriment' checked against the project's own tables.

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

Leo and Aquarius are opposite signs, six apart, an opposition. Leo is fixed fire and Aquarius fixed air, and both share positive polarity and a fixed modality. Modern psychological astrology reads an opposition as a polarity: the personal against the collective, warmth against detachment. It associates the shared fixed modality with persistence. Hellenistic astrologers read the opposition as a configuration of tension by sign. Traditional astrologers later call Aquarius the Sun's detriment, opposite its domicile in Leo. Modern psychological astrology tends to read the pair through polarity and element instead of rank by sign. Saturn governs Aquarius in the traditional scheme and Uranus in the modern one, while the Sun governs Leo. Sign comparison describes themes 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: Aquarius is 6 signs from Leo (opposition), both fixed and positive, fire with air; Saturn rules Aquarius traditionally, Uranus in modern astrology. Corrected attribution: the Sun's detriment in Aquarius is now credited to later traditional astrologers, not Hellenistic ones, and removed the unsupported claim that 'modern psychological texts mostly use no table of rank by sign'. 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.

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