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Gold line-art emblem: a dog's head in profile beneath a small sun glyph, ringed by art-nouveau stars and vines
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Dog Birth Chart Calculator

Get your dog's Sun sign free and instant — then unlock their full birth chart (Moon, Rising & more) in the Sun sign now, Moon & Rising in the Aetris app.

Add their name · optional

☀ Sun · revealed

Get the Full Birth Chart Free
Inside the Aetris app

Moon and Rising come from behavior

Aetris Pet Soul screen: the Soul Reading card, marked No birth date needed, with the line Who your pet is, what they feel, and what the world sees first
In the app: Pet Soul

In the app, Soul Reading reads your dog's Sun, Moon and Rising from 10 behavior questions — no birth date needed.

Try Soul Reading Free
✦

No Papers? No Birth Date? No Problem

Rescues, shelter dogs and street dogs arrive with a guessed age at best — which is exactly the case Soul Reading was built for.

Aetris works from what a dog shows you rather than from paperwork: the greeting at the door, the behaviour on a lead, the response to training, what happens when the house empties. From those patterns it reasons back to the most probable natal chart, Rising sign included.


Download Aetris to build your dog's chart from behavior alone.

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Inside the Aetris app
Aetris Celestial Passport for a dog: Harry’s Sun, Moon and Rising stamps (Scorpio, Taurus, Leo) and his Star Beast visa, the Panther
Aetris pet profile for a dog: Harry, a husky, with a Scorpio Sun, Taurus Moon and Leo Rising and his lineage, the Lunar Weaver
On this pageSun sign · revealed
☽︎ Moon · in the app

The Sun sign is one third of your dog

  • Moon sign — the layer behind separation anxiety, reactivity and how fast your dog recovers
  • Soul Reading — a full chart for a rescue dog with no papers, rebuilt from behavior
  • A daily horoscope written from your own dog's chart, not generic sign text
  • Your dog's Star Beast — one of forty-eight, set by their sign and the moon phase they were born under
  • Your own Human Oracle — your daily horoscope and full birth chart, sitting alongside your dog's
Get the Full Birth Chart Free
Free on iPhone and Android
How it works

How a Dog Birth Chart Works

Astrology treats a birth as a moment, not as a species. Whatever stood overhead when your dog was born is what their chart is made from, and the arithmetic is the same one applied to people.

Dog astrology chart vs dog birth chart

A dog astrology chart and a dog birth chart are two names for the same object. Interpretation is where the two part company. A human reading leans on work, ambition and partnership — categories a dog has no use for. A dog's has to be built out of what actually structures a dog's life: where they land in the household order, what happens at the door, how an empty house is survived, and whether training feels like teamwork or like negotiation.

The Sun sign: your dog's core drive

The layer this tool returns is the Sun sign, and it answers what your dog is fundamentally built to do.

  • The Aries dog — who needs a job before lunch
  • The Cancer dog — who tracks the mood of the house and worries at the closing door
  • The Sagittarius dog — whose recall is a work of optimistic fiction

For a dog you are still getting to know, it is the single most useful thing on the page.

Birthdays that land on a sign change

Sign boundaries are not calendar dates, and almost every chart published online quietly pretends otherwise. The Sun reaches each boundary at an exact instant, and since a year is not a whole number of days that instant slides about six hours later each time before the leap day drags it back. Over a four-year cycle the same handover can therefore fall on either of two dates.

Rather than print one cutoff and hope, this page works out where the Sun genuinely sat on the day you type in — and when that day turns out to be a handover, which happens about a dozen times a year, it says so and hands you both candidates. Only the hour of birth can separate them after that.

Reading past the Sun sign

Two placements sit beneath the one this page returns, and both want the hour of birth. The Moon runs reactivity rather than identity, and it is usually the placement doing the work when a dog cannot be left alone. The Rising sign is the version your visitors meet in the hallway before the real dog turns up. Building either one is the job the Aetris app takes over.

Common questions

Dog Birth Chart FAQ

What is a dog birth chart? +
A dog birth chart is a snapshot of the whole sky at the moment your dog was born, with every planet placed. The outer layer is the Sun sign, and it is the only piece a birth date on its own can produce — it covers core drive and temperament. Two more placements sit underneath it and both require the time of birth: the Moon, which runs reactivity and is where separation anxiety and recovery speed show up, and the Rising sign, which is the dog your visitors meet at the door. The Aetris app builds all three.
How do I calculate my dog's birth chart? +
Type the birth date into the tool on this page and the Sun sign comes back at once, with a personality read written for dogs rather than for pets in general. Because the page derives the Sun's true position instead of looking up a fixed range, it also recognises the roughly twelve dates a year that sit on a sign change, and shows you both candidates rather than picking one silently. Going deeper than the Sun means supplying the hour of birth, which is where the app takes over.
Can I get my dog's birth chart if they're a rescue? +
Yes. A rescue dog usually arrives with a guessed age and nothing else, which is precisely the gap Soul Reading in the Aetris app was designed to close. It works from what can be observed — the greeting at the door, the behaviour on a lead, how the dog handles being shut out of a room, how quickly training lands — and reasons backwards to the most probable chart. Treat the output as a well-argued estimate rather than a document that was found.
What does my dog's Rising sign mean? +
The Rising sign is the first impression — the dog a stranger meets in the first ten minutes, before the real personality surfaces. It is why a genuinely gentle dog can read as guarded at the door, or why a cautious dog greets like a maniac and then goes quiet. It depends on the exact time of birth, because it changes roughly every two hours, so it is the one placement a birth date alone can never give you.
Now on iPhone.

Aetris is on the App Store and Google Play. Free to start, with the same plans on both.