Sun–Mars aspects

Wanting and doing: that's the shortest way to describe this pair. The Sun knows where you're headed, and Mars is the force that gets you moving. When the two agree, you may come across as decisive, driven almost without effort. When they're at odds, you might know the pattern of planning a lot and then blocking yourself, or charging off before you know why. Anger is rarely the real issue with this pair. Unused drive often is.

Step 1 of 2

Enter your birth details. We use the Swiss Ephemeris to work out which angle actually stands between Sun and Mars in your chart.

Your birth data

Do you have one of these aspects?

The date sets the Sun, Moon and every planet.

Swiss-Ephemeris accurateResult in seconds
0° · orb up to 8°

Sun Conjunction Mars

Fusion: the two act as a single force.

With Sun conjunct Mars, your core self and your drive and your anger are hard to tell apart. Wanting and doing often come from the same impulse, so both feel like one movement. That gives you strength, but stepping back from it is hard.

A conjunction puts both factors on the same spot in your chart. You can't feel them separately, because whatever the first wants tints the second. Astrologers call it the strongest connection of all: intense rather than easy or hard. With a tight conjunction, check whether the theme feels like part of who you are instead of something that happens to you. The catch is that you rarely see it from outside. It's as obvious as your own voice, which only sounds strange on a recording.

180° · orb up to 8°

Sun Opposition Mars

Tension: two poles facing each other.

With Sun opposite Mars, your core self and your drive and your anger pull against each other. Many people live one side themselves and meet the other in someone close to them. See whether your relationships hold up a mirror to this theme.

With an opposition, the two factors face each other from opposite sides of your chart. It often feels like either/or, seldom both at once. Many people live one side and meet the other in those around them, like the partner who plans every detail while you improvise. That's why oppositions so often read as relationship themes. The aspect tends to mature once you stop picking a side and move between the two poles.

90° · orb up to 7°

Sun Square Mars

Friction: the aspect that forces you to act.

With Sun square Mars, your core self and your drive and your anger keep getting in each other's way. Choosing one often costs you something in the other. Over time that pressure tends to build real skill in this area of life.

A square sets two factors at an angle where they trip over each other. It tends to feel like resistance: follow one, and the other pipes up, like a coworker who objects the moment you start. That friction is why squares turn up so often in the charts of people who get things done. Pressure builds, and pressure moves you. A trine lets you be good at something, while a square makes you earn it. Rather than settling the conflict, see whether you can put it to work.

120° · orb up to 7°

Sun Trine Mars

Flow: talent that comes for free.

With Sun trine Mars, your core self and your drive and your anger work together with ease. Other people read it as a gift. To you it often feels ordinary, so it is easy to overlook.

In a trine, two factors cooperate effortlessly. What's linked here runs without you thinking about it, and that ease is the trap. Because it comes easily, you may take it for granted and never build it up, like a friend who can sing but never joins a choir. Trines tend to be your reserve rather than your engine. They show what you can lean on in hard times and reach full strength once you use them deliberately.

60° · orb up to 5°

Sun Sextile Mars

Opportunity: talent you have to call on.

With Sun sextile Mars, the link between your core self and your drive and your anger is ready but does not start on its own. Use it deliberately and it carries you reliably.

Think of the sextile as the trine's smaller sibling. The link is there, but it won't get going on its own. Use it on purpose and it tends to carry you well. People often describe sextiles as "doors that open when I knock." The chance exists, and the knocking is your job. So in a life story this aspect can look unremarkable until someone practices it deliberately.

Aspect explorer

Combine two planets.

Choose two factors and an angle. The meaning of that pairing appears right below, in a single line.

Sun Square Mars

With Sun square Mars, your core self and your drive and your anger keep getting in each other's way. Choosing one often costs you something in the other. Over time that pressure tends to build real skill in this area of life.

Table

Sun and Mars: the five angles in numbers

Between Sun (your core self) and Mars (your drive and your anger) the calculator checks five angles. Each has its own leeway; for these two the date of birth is enough.

Sun–Mars aspects: angle and orb
AspectAngleOrbCharacter
Sun Conjunction Mars0°± 8°fusing, depending on the planets
Sun Sextile Mars60°± 5°flowing, harmonious
Sun Square Mars90°± 7°tense, demanding
Sun Trine Mars120°± 7°flowing, harmonious
Sun Opposition Mars180°± 8°tense, demanding
Zodiac wheel with the fields for Sun (Leo) and Mars (Aries) highlighted
Both planets in their home sign: this is where Sun and Mars sit in the natural zodiac.
Circle with two points for Sun and Mars 120 degrees apart, forming their trine
Sun trine Mars: the two work together without you having to do anything.
  • Use the calculator above to find which of the five angles you have.
  • Then read just that one section and test it against something that happened this week.
  • No hit? Then Sun and Mars work independently for you.

Related pairs: Sun–Moon aspects, Sun–Mercury aspects, Sun–Venus aspects. All aspects of your chart at once are in the aspects calculator, the life areas in the house calculator, and today’s angles to your chart in your personalized daily horoscope.

Statistics 1940–2010

Which aspect between Sun and Mars is the most common?

29 % of everyone born 1940 to 2010 has one of the five major aspects between Sun and Mars; 71 % have none. The most common is the sextile (7.9 %), the rarest the opposition (1.5 %).

This is plain geometry: Sun and Mars move through the zodiac independently. A sextile exists twice on the circle, once on each side. With an orb of up to 5° it covers 20° in total, which is 5.6 % of 360°. The conjunction and opposition exist only once, so they are rarer.

In the sky the two form 3.76 exact major aspects a year on average. The next one: the square on 20 November 2026.

Bar chart: share of births 1940 to 2010 with a conjunction, opposition, square, trine, sextile or no aspect between Sun and Mars
Aspects between Sun and Mars
AspectShare of births
Conjunction7.2 % · 95× exact 1900–2100
Opposition1.5 % · 94× exact 1900–2100
Square7.7 % · 0.94× a year exact
Trine4.6 % · 0.94× a year exact
Sextile7.9 % · 0.94× a year exact
No major aspect71 %
Famous people with one of them644 / 2,219

Counted with the Swiss Ephemeris: 25,933 birth charts, one for every day from 1940 to 2010 at 12:00 UT, orbs as in the calculator. Sky: every day 1900–2100. Famous people: Wikidata, only where the aspect holds for the whole birth day.

All aspects at a glance