2027 Forecast

Synastry aspect · 90° · orb 8°

Neptune Square Sun Synastry

Neptune square Sun in synastry means one partner's Neptune sits about 90° from the other's Sun (orb ±8°), an angle read as friction. It turns up in 8.92% of couples born within five years of each other.

Each side on its own first: Neptune in a birth chart, Sun in a birth chart and birth chart calculator.

In couples
8.92% about 1 in 11
Either way round
17% both ways: 0.84%
Angle
90° 3 signs apart · orb ±8°
Birth time
Not needed the date sets it

Simulation of 3 million couples, NASA JPL DE440.

The same aspect with one of these planets: Mars square Neptune, Neptune square Saturn, Neptune square Venus, Moon square Neptune, Mars square Sun, Saturn square Sun, Sun square Vertex and Juno square Sun.

Neptune Square Sun Synastry: Meaning and How Common It Is

Checked against chance

How common is Neptune square Sun in synastry?

Neptune square Sun, counted three ways
Neptune square Sun, counted three ways Neptune square Sun, counted three ways: Couples ≤ 5 yrs apart 8.92%, Any two people, 1940–2010 8.94%, Planets spread evenly 8.89%. Couples ≤ 5 yrs apartCouples ≤ 5 yrs apart: 8.92%8.92%Any two people, 1940–2010Any two people, 1940–2010: 8.94%8.94%Planets spread evenlyPlanets spread evenly: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com Couples ≤ 5 yrs apartCouples ≤ 5 yrs apart: 8.92%8.92%Any two people, 1940–2010Any two people, 1940–2010: 8.94%8.94%Planets spread evenlyPlanets spread evenly: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com

The age gap changes little: 8.77% to 8.97% at any gap up to 40 years.

How the odds are calculated →

By sign

Which signs make Neptune square Sun, generation by generation

Neptune square Sun, generation by generation: the Sun signs that make it
Neptune square Sun, generation by generation: the Sun signs that make it Neptune in Virgo (1928–43): Sun in Gemini or Sagittarius; Neptune in Libra (1942–57): Sun in Cancer or Capricorn; Neptune in Scorpio (1955–70): Sun in Leo or Aquarius; Neptune in Sagittarius (1970–84): Sun in Virgo or Pisces; Neptune in Capricorn (1984–98): Sun in Aries or Libra; Neptune in Aquarius (1998–2012): Sun in Taurus or Scorpio. Sun’s sign that makes itAriTauGemCanLeoVirLibScoSagCapAquPisNeptune in Virgo1928–43Neptune in Virgo 1928–43: Sun in AriesNeptune in Virgo 1928–43: Sun in TaurusNeptune in Virgo 1928–43: Sun in Gemini — forms itNeptune in Virgo 1928–43: Sun in CancerNeptune in Virgo 1928–43: Sun in LeoNeptune in Virgo 1928–43: Sun in VirgoNeptune in Virgo 1928–43: Sun in LibraNeptune in Virgo 1928–43: Sun in ScorpioNeptune in Virgo 1928–43: Sun in Sagittarius — forms itNeptune in Virgo 1928–43: Sun in CapricornNeptune in Virgo 1928–43: Sun in AquariusNeptune in Virgo 1928–43: Sun in PiscesNeptune in Libra1942–57Neptune in Libra 1942–57: Sun in AriesNeptune in Libra 1942–57: Sun in TaurusNeptune in Libra 1942–57: Sun in GeminiNeptune in Libra 1942–57: Sun in Cancer — forms itNeptune in Libra 1942–57: Sun in LeoNeptune in Libra 1942–57: Sun in VirgoNeptune in Libra 1942–57: Sun in LibraNeptune in Libra 1942–57: Sun in ScorpioNeptune in Libra 1942–57: Sun in SagittariusNeptune in Libra 1942–57: Sun in Capricorn — forms itNeptune in Libra 1942–57: Sun in AquariusNeptune in Libra 1942–57: Sun in PiscesNeptune in Scorpio1955–70Neptune in Scorpio 1955–70: Sun in AriesNeptune in Scorpio 1955–70: Sun in TaurusNeptune in Scorpio 1955–70: Sun in GeminiNeptune in Scorpio 1955–70: Sun in CancerNeptune in Scorpio 1955–70: Sun in Leo — forms itNeptune in Scorpio 1955–70: Sun in VirgoNeptune in Scorpio 1955–70: Sun in LibraNeptune in Scorpio 1955–70: Sun in ScorpioNeptune in Scorpio 1955–70: Sun in SagittariusNeptune in Scorpio 1955–70: Sun in CapricornNeptune in Scorpio 1955–70: Sun in Aquarius — forms itNeptune in Scorpio 1955–70: Sun in PiscesNeptune in Sagittarius1970–84Neptune in Sagittarius 1970–84: Sun in AriesNeptune in Sagittarius 1970–84: Sun in TaurusNeptune in Sagittarius 1970–84: Sun in GeminiNeptune in Sagittarius 1970–84: Sun in CancerNeptune in Sagittarius 1970–84: Sun in LeoNeptune in Sagittarius 1970–84: Sun in Virgo — forms itNeptune in Sagittarius 1970–84: Sun in LibraNeptune in Sagittarius 1970–84: Sun in ScorpioNeptune in Sagittarius 1970–84: Sun in SagittariusNeptune in Sagittarius 1970–84: Sun in CapricornNeptune in Sagittarius 1970–84: Sun in AquariusNeptune in Sagittarius 1970–84: Sun in Pisces — forms itNeptune in Capricorn1984–98Neptune in Capricorn 1984–98: Sun in Aries — forms itNeptune in Capricorn 1984–98: Sun in TaurusNeptune in Capricorn 1984–98: Sun in GeminiNeptune in Capricorn 1984–98: Sun in CancerNeptune in Capricorn 1984–98: Sun in LeoNeptune in Capricorn 1984–98: Sun in VirgoNeptune in Capricorn 1984–98: Sun in Libra — forms itNeptune in Capricorn 1984–98: Sun in ScorpioNeptune in Capricorn 1984–98: Sun in SagittariusNeptune in Capricorn 1984–98: Sun in CapricornNeptune in Capricorn 1984–98: Sun in AquariusNeptune in Capricorn 1984–98: Sun in PiscesNeptune in Aquarius1998–2012Neptune in Aquarius 1998–2012: Sun in AriesNeptune in Aquarius 1998–2012: Sun in Taurus — forms itNeptune in Aquarius 1998–2012: Sun in GeminiNeptune in Aquarius 1998–2012: Sun in CancerNeptune in Aquarius 1998–2012: Sun in LeoNeptune in Aquarius 1998–2012: Sun in VirgoNeptune in Aquarius 1998–2012: Sun in LibraNeptune in Aquarius 1998–2012: Sun in Scorpio — forms itNeptune in Aquarius 1998–2012: Sun in SagittariusNeptune in Aquarius 1998–2012: Sun in CapricornNeptune in Aquarius 1998–2012: Sun in AquariusNeptune in Aquarius 1998–2012: Sun in PiscesSource: NASA JPL DE440 ingressesastrohot.com

Born 1998–2012, with Neptune in Aquarius? Then a partner’s Sun in Taurus or Scorpio makes the square.

To check it by degree: Neptune at 10° Virgo makes the square with the Sun anywhere from 2° to 18° of Gemini or Sagittarius — the 90° angle give or take 8°. The chart goes by sign, but the square also forms across a sign line: Neptune at 1° Virgo and the Sun at 29° Scorpio are 88° apart, a sextile by sign.

Years are first entry to final exit, so neighboring rows overlap where Neptune stepped back on a retrograde. Source: NASA JPL DE440.

Between two people

What does Neptune square Sun mean in synastry?

Idealization turns to disappointment, or the Neptune person becomes evasive and the Sun person cannot tell what is real. The Sun person may feel loved for an image rather than for who they are, and the Neptune person may avoid hard truths to keep the dream intact. Honest, specific conversations about expectations help.

The usual mistake

Where does Neptune square Sun usually go wrong?

Loved for an image: the Sun person feels unseen; the Neptune person avoids hard truths to keep the picture intact.

Over time

How Neptune square Sun plays out over time

  1. Early on. The Neptune person adores an image of the Sun person, who feels both flattered and unseen.
  2. Under pressure. Hard truths are avoided to keep the picture intact.
  3. Years in. It works when the Neptune person loves the real Sun person and speaks honestly.

Neptune and Sun at other angles

At any angle: One person's Sun meets the other's Neptune. The Neptune person tends to idealize the Sun person, and the Sun person can feel inspired — or not fully seen.

The square among the Neptune–Sun angles, % of couples
The square among the Neptune–Sun angles, % of couples The square among the Neptune–Sun angles, % of couples: Sextile 60° 6.58%, Square 90° 8.92%, Trine 120° 8.98%. Sextile 60°Sextile 60°: 6.58%6.58%Square 90°Square 90°: 8.92%8.92%Trine 120°Trine 120°: 8.98%8.98%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com Sextile 60°Sextile 60°: 6.58%6.58%Square 90°Square 90°: 8.92%8.92%Trine 120°Trine 120°: 8.98%8.98%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com
Trine 120° · 8.98% of couples Sextile 60° · 6.58% of couples

Next to Neptune square Sun in our list of 382, which runs from the most asked-about down.

Juno trine Pluto 120° · 7.04% of couples Sun sextile Venus 60° · 6.69% of couples Mars sextile Sun 60° · 6.69% of couples Lilith trine Mars 120° · 8.84% of couples

Cite this page

AstroHot. “Neptune Square Sun Synastry: Meaning and How Common It Is.” Accessed October 28, 2026. https://astrohot.com/synastry/aspects/neptune-square-sun/

For Wikipedia {{cite web |title=Neptune Square Sun Synastry: Meaning and How Common It Is |url=https://astrohot.com/synastry/aspects/neptune-square-sun/ |website=AstroHot |access-date=2026-10-28}}