Sun–Mercury aspects
Seen from Earth, Mercury can only get about 28 degrees away from the Sun. So almost everyone has some link between the two, and what matters is how tight it is. This pair asks how close your thinking sits to your sense of self. When someone criticizes your opinion, does it feel like they're criticizing you? Many with a tight link think fast and talk the way they are. They may also confuse "I changed my mind" with "I was wrong".
Enter your birth details. We use the Swiss Ephemeris to work out which angle actually stands between Sun and Mercury in your chart.
Your birth data
Do you have one of these aspects?
The date sets the Sun, Moon and every planet.
Sun Conjunction Mercury
Fusion: the two act as a single force.
With Sun conjunct Mercury, your core self and how you think and speak 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.
Combine two planets.
Choose two factors and an angle. The meaning of that pairing appears right below, in a single line.
Sun Square Mercury
Open the pair page for the full reading of this combination.
Sun and Mercury: the five angles in numbers
Between Sun (your core self) and Mercury (how you think and speak) the calculator checks five angles. Each has its own leeway; for these two the date of birth is enough.
| Aspect | Angle | Orb | Character |
|---|---|---|---|
| Sun Conjunction Mercury | 0° | ± 8° | fusing, depending on the planets |
| Sun Sextile Mercury | 60° | ± 5° | flowing, harmonious |
| Sun Square Mercury | 90° | ± 7° | tense, demanding |
| Sun Trine Mercury | 120° | ± 7° | flowing, harmonious |
| Sun Opposition Mercury | 180° | ± 8° | tense, demanding |
- 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 Mercury work independently for you.
Related pairs: Sun–Moon aspects, Sun–Venus aspects, Sun–Mars 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.
How often are Sun and Mercury in aspect?
23.5 % of everyone born 1940 to 2010 has one of the five major aspects between Sun and Mercury; 76.5 % have none. Opposition, square, trine and sextile did not occur at all in these years.
Seen from Earth, Mercury always stays near the Sun, because its orbit lies inside ours. It never gets more than 28° away, so the conjunction is the only aspect the two can form. The others never occur.
In the sky the two form 6.3 exact major aspects a year on average.
| Aspect | Share of births |
|---|---|
| Conjunction | 23.5 % · 6.3× a year exact |
| Opposition | 0 % · 0× exact 1900–2100 |
| Square | 0 % · 0× exact 1900–2100 |
| Trine | 0 % · 0× exact 1900–2100 |
| Sextile | 0 % · 0× exact 1900–2100 |
| No major aspect | 76.5 % |
| Famous people with one of them | 448 / 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.