12th house synastry
In 12th house synastry, private worries, solitude, rest and the things left unsaid become part of how two people experience each other.
Cadent house · privacy, hidden worries, solitude
When the other person's planet falls in your 12th house, it stirs these parts of your private world, so you may notice its influence most when you are alone together or trying to find quiet. You are the person whose birth chart contains the house; the other person brings the planet. Their presence can make hidden feelings easier to notice, or leave you unsure how to put them into words. The effect depends on the planet and on how each of you handles privacy and closeness.
The question this overlay asks
What does their planet stir up in your private world, hidden worries and need for rest when it lands here?
Their planets in your 12th house
A planet of the other person lands in this house of your chart and brings its own errand. The ten planets, from the Sun to Pluto:
Their Sun in your 12th house
In private moments, the Sun in your 12th house draws attention to the other person's need to be seen and taken seriously. They may take the lead even when you want quiet, while your appreciation can bring warmth and generosity.
Their Moon in your 12th house
You notice the other person go quiet or seek familiar comforts when tired, and the Moon in your 12th house makes those needs part of your private life. Their care can feel soothing, though their moods may be hard to read.
Their Mercury in your 12th house
Mercury in your 12th house brings the other person's questions, jokes and explanations into conversations about what you usually keep private. They want to talk things through, but a missed message or misunderstood hint can leave both of you guessing.
Their Venus in your 12th house
The other person wants affection and appreciation, and Venus in your 12th house makes those gestures feel personal and private. A quiet compliment or thoughtful gift can draw you closer, while avoiding a hard conversation leaves something important unsaid.
Their Mars in your 12th house
You may feel the other person's drive most when a private boundary is crossed. Mars in your 12th house can make them act before explaining, bringing desire and courage into hidden worries, but also sharp words when frustration builds.
Their Jupiter in your 12th house
In your 12th house, Jupiter expands the other person's instinct to encourage and offer more than you asked. Their generosity can make rest and retreat feel easier, though a broad promise or loose limit may add to your private worries.
Their Saturn in your 12th house
Privacy and rest can feel more guarded with Saturn in your 12th house. The other person takes duties seriously and may set limits around what gets shared; that steadiness can give hidden worries structure, but their caution can also feel like distance.
Their Uranus in your 12th house
You notice the other person change plans or break a quiet routine without much warning. Uranus in your 12th house brings their need for freedom into your private world, making solitude less predictable and sometimes clearing space for a fresh approach.
Their Neptune in your 12th house
Neptune in your 12th house draws the other person toward a wordless understanding of what you keep private. Their gentleness can make it easier to share a hidden worry, but vague plans or hopeful assumptions can blur what each of you actually meant.
Their Pluto in your 12th house
The other person wants a deeper level of closeness, and Pluto in your 12th house draws that intensity toward what you keep hidden. Their silence can feel loaded; their pressure for honesty can uncover a worry, while a need for control makes privacy feel costly.
Check your own charts for the 12th house
Enter two birthdays to see which planets of each person fall in the other's 12th house.
The sample couple in the 12th house
B’s 12th house holds A’s Sun, Mercury and Venus.
A’s 12th house holds B’s Ascendant.
Synastry resultSample couple
Person A Sep 29, 1990, 08:30Person B Mar 14, 1988, 19:10
Two invented people, not real ones. Enter your own birth details above and press the button to replace this result.
38 aspects between the two charts: 15 harmonious and 23 challenging.
The two charts as threads
Person A on the left, person B on the right. Each thread joins a point of A to a point of B. Tap a thread or a planet to read it.
- Harmonious
- Challenging
- Thicker is tighter
- Conjunction
- Sextile
- Square
- Trine
- Opposition
How to read it
- Harmonious solid thread, round badge. The two planets ease each other.
- Challenging dashed thread, diamond badge. Friction that asks for effort.
- Thicker is tighter. The width of a thread shows how close the aspect is to exact.
- Conjunction
- Sextile
- Square
- Trine
- Opposition
14 tightest of 38 links
Tap a thread or a planet
The tightest link is A’s Mars trine B’s Moon, orb 0°13′. Tap it, or any planet, to read what it means.
Strongest links6 tightest
MarsATrineMoonB
Person A's Mars trine Person B's Moon brings a relaxed rhythm between initiative and the comfort that helps the other person unwind.
VenusAOppositionSunB
The pull is appealing and awkward: Person A's Venus opposite Person B's Sun can leave A admiring B while wanting a softer response.
AscendantASquareMarsB
A’s first impression in square with B’s drive and desire: the two pull in different directions, creating friction that pushes both people to act.
MarsATrineAscendantB
A’s drive and desire in trine with B’s first impression: the two flow together with little effort, which feels natural and easy to take for granted.
SunATrineMoonB
Person A's Sun trine Person B's Moon often helps B settle around A's self-assurance, with care and appreciation passing between them naturally.
SunAConjunctionAscendantB
A’s sense of self in conjunction with B’s first impression: the two sit side by side, so their qualities blend into one.
All aspects38 found
Every aspect found between the two charts, tightest first. Orb is the distance from the exact angle.
| No. | Person A | Aspect | Person B | Orb | Nature |
|---|---|---|---|---|---|
| 1 | MarsA | Harmonious | MoonB | 0°13′ | Harmonious |
| 2 | VenusA | Challenging | SunB | 2°28′ | Challenging |
| 3 | AscendantA | Challenging | MarsB | 0°36′ | Challenging |
| 4 | MarsA | Harmonious | AscendantB | 2°28′ | Harmonious |
| 5 | SunA | Harmonious | MoonB | 5°53′ | Harmonious |
| 6 | SunA | Harmonious | AscendantB | 3°12′ | Harmonious |
| 7 | MoonA | Harmonious | SunB | 4°38′ | Harmonious |
| 8 | AscendantA | Harmonious | MoonB | 3°31′ | Harmonious |
| 9 | MidheavenA | Harmonious | SunB | 3°33′ | Harmonious |
| 10 | JupiterA | Challenging | VenusB | 1°30′ | Challenging |
| 11 | SunA | Challenging | MidheavenB | 4°37′ | Challenging |
| 12 | MoonA | Challenging | JupiterB | 2°05′ | Challenging |
| 13 | MercuryA | Challenging | SunB | 5°19′ | Challenging |
| 14 | MercuryA | Harmonious | MarsB | 4°46′ | Harmonious |
| 15 | JupiterA | Harmonious | AscendantB | 0°59′ | Harmonious |
| 16 | JupiterA | Challenging | MoonB | 3°40′ | Challenging |
| 17 | SunA | Challenging | SaturnB | 3°50′ | Challenging |
| 18 | North NodeA | Challenging | VenusB | 4°02′ | Challenging |
| 19 | VenusA | Challenging | North NodeB | 4°05′ | Challenging |
| 20 | SaturnA | Challenging | MarsB | 4°10′ | Challenging |
| 21 | AscendantA | Challenging | MidheavenB | 4°46′ | Challenging |
| 22 | VenusA | Challenging | SaturnB | 4°51′ | Challenging |
| 23 | North NodeA | Harmonious | AscendantB | 3°30′ | Harmonious |
| 24 | MidheavenA | Harmonious | North NodeB | 1°56′ | Harmonious |
| 25 | North NodeA | Harmonious | MoonB | 6°11′ | Harmonious |
| 26 | PlutoA | Harmonious | MarsB | 1°34′ | Harmonious |
| 27 | NeptuneA | Harmonious | VenusB | 2°19′ | Harmonious |
| 28 | NeptuneA | Challenging | MarsB | 2°45′ | Challenging |
| 29 | MercuryA | Challenging | North NodeB | 3°43′ | Challenging |
| 30 | SunA | Challenging | NeptuneB | 4°13′ | Challenging |
| 31 | PlutoA | Challenging | MoonB | 4°28′ | Challenging |
| 32 | VenusA | Challenging | UranusB | 3°46′ | Challenging |
| 33 | UranusA | Harmonious | VenusB | 3°49′ | Harmonious |
| 34 | SunA | Challenging | UranusB | 4°55′ | Challenging |
| 35 | NeptuneA | Challenging | MidheavenB | 1°24′ | Challenging |
| 36 | NeptuneA | Challenging | AscendantB | 2°50′ | Challenging |
| 37 | UranusA | Challenging | AscendantB | 3°17′ | Challenging |
| 38 | North NodeA | Challenging | JupiterB | 4°07′ | Challenging |
The same pair as a wheelBi-wheel
Person A on the inner ring, person B on the outer ring, the tightest aspects as lines across the middle. Tap a planet or a line. The table under the wheel lists the positions it is drawn from.
- AInner ring: Person A
- BOuter ring: Person B
Tap a thread or a planet
The tightest link is A’s Mars trine B’s Moon, orb 0°13′. Tap it, or any planet, to read what it means.
Positions as a table
| Point | A A | B B |
|---|---|---|
| Sun | Lib 5°47′ | Pis 24°38′ |
| Moon | Cap 29°16′ | Aqu 11°39′ |
| Mercury | Vir 19°19′ | Aqu 28°12′ |
| Venus | Vir 27°06′ | Tau 9°30′ |
| Mars | Gem 11°26′ | Cap 14°34′ |
| Jupiter | Leo 8°00′ | Tau 1°21′ |
| Saturn | Cap 18°44′ | Cap 1°57′ |
| Uranus | Cap 5°42′ | Cap 0°52′ |
| Neptune | Cap 11°48′ | Cap 9°59′ |
| Pluto | Sco 16°07′ | Sco 12°20′ R |
| North Node | Aqu 5°28′ R | Pis 23°01′ |
| Ascendant | Lib 15°10′ | Lib 8°59′ |
| Midheaven | Can 21°05′ | Can 10°24′ |
An orb is the distance, in degrees and minutes, between an aspect and its exact angle. A tight orb is a strong contact; each aspect has its own largest orb.