Tarot birth card calculator

How the birth card is calculated

Greer learned the technique from Angeles Arrien and set it out in Tarot for Your Self; her book Archetypal Tarot (2021) is the full treatment. The arithmetic is simple and the order of it matters, so here it is step by step.

1. Add the month, day and year as whole numbers. July 14, 1985 gives 7 + 14 + 1985 = 2006.
2. Add the digits of the total. 2 + 0 + 0 + 6 = 8. If the result is above 22, add its digits again: 28 becomes 10.
3. The first number of 22 or less is the personality card. Reduce a two-digit number to one digit for the soul card. For April 13, 1975: 4 + 13 + 1975 = 1992, then 1 + 9 + 9 + 2 = 21, then 2 + 1 = 3, so The World and The Empress. When step two already gives a single digit, as with Strength above, one card does both jobs.

Two special cases

• 19 → 10 → 1. The only total that gives three cards: The Sun, Wheel of Fortune and The Magician. Greer reads the three as a set.
• 22 → 4. The Fool is numbered 0 in the deck, but Greer counts it as the 22nd card, so a total of 22 gives the Fool with the Emperor (2 + 2 = 4) as its soul card.

Why other calculators give a different card

Some add every digit of the date separately. The soul card comes out the same either way; the personality card often does not. April 13, 1975 done digit by digit is 0 + 4 + 1 + 3 + 1 + 9 + 7 + 5 = 30, then 3 + 0 = 3: The Empress alone. Done Greer's way it is The World over The Empress. This page follows Greer, because the personality card is the part of the method that is hers.

Also: your playing card birth card. Cardology gives every birthday a card from an ordinary 52-card deck, worked out from the month and day alone, so it sits alongside the tarot pair rather than replacing it.

The same arithmetic with the year you are reading for in place of your birth year gives Greer's year card: the year ahead spread works it out and puts it in the center of a twelve-month wheel. For a reading on the day itself, there is the birthday spread.

The nine constellations and every combination

Greer groups the 22 cards by the digit they reduce to. Each group has a name for the principle it shares, and every possible birth-card result belongs to one of them. The cards of your constellation that are not your own birth cards are read as part of the same theme.

Each Major Arcana card as a birth card

Numbers 1 to 9 are the soul cards, 10 to 22 the personality cards. Read your own entries first, then the rest of your constellation.

I☿︎

The Magician 1

Soul card · constellation 1

On the Rider–Waite–Smith table sit a cup, a pentacle, a sword, and a wand: tools from all four suits within reach. As a soul card, The Magician is read as an inner drive to turn intention into practice. You tend to return to the question of what you can do with what you already have, rather than waiting for someone else to set the terms.

That pattern might look like drafting a project on scrap paper and testing it with borrowed equipment before buying anything. The snag comes when you spend longer refining your setup than using it, treating another purchase or qualification as permission to begin. The recurring question is where preparation supports your work—and where it has become a substitute for doing it.

II☽︎

The High Priestess 2

Soul card; also the personality card when a date reduces straight to 2 · constellation 2

Between two pillars, a seated figure holds a partly concealed scroll. As a soul card, The High Priestess is read as an inner drive to understand what has not yet been put into words. You may recognize this in a familiar habit: after a conversation, you return to an unfinished answer, a change in tone, or a question nobody asked.

You tend to leave room for another detail before deciding, sometimes drafting a reply and setting it aside until you can say what you actually think. That patience can get in your way when you keep waiting for complete certainty instead of speaking. The recurring question is whether you need more time to listen or whether you already have something worth saying.

III♀︎

The Empress 3

Soul card; also the personality card when a date reduces straight to 3 · constellation 3

You tend to approach what matters by asking three questions: what needs attention, what needs time, and what would make daily life more comfortable? As a soul card, The Empress is read as an inner drive to care for people and give ideas a tangible form. You might keep cooking an extra portion for someone whose week is difficult, treating care as something you do rather than something you declare.

The recurring pattern is patient involvement: you would rather help something develop than push it into shape. That can get in your way when being useful becomes your reason for staying involved, even after your help is no longer needed. The question to return to is whether your care leaves room for both your needs and another person’s independence.

IV♈︎

The Emperor 4

Soul card; also the personality card when a date reduces straight to 4 · constellation 4

A stone throne decorated with ram heads gives the seated figure a firm place to hold his position in the Rider–Waite–Smith image. As a soul card, The Emperor is read as an inner drive to establish a dependable way of doing things. You may be the person who turns a vague agreement into something everyone can follow: who handles the task, when it is due, and what falls outside its scope.

You keep returning to questions of responsibility, often preferring to take charge rather than leave expectations unclear. That habit gets in your way when you start treating your preferred approach as the only acceptable one. The recurring question is whether your arrangements support other people’s judgment or leave room only for your own.

V♉︎

The Hierophant 5

Soul card; also the personality card when a date reduces straight to 5 · constellation 5

You may feel most at home when there is something to study and someone whose experience you respect. As a soul card, The Hierophant is read as an inner drive to learn within a tradition and make its teachings part of daily life. You might take a course, practice the technique exactly as taught, then find yourself explaining it to a newcomer.

You keep returning to questions of authority, belonging, and what is worth passing on. That commitment can get in your way when you ask for approval even after you have enough experience to judge for yourself. The useful question is not whether to accept or reject every rule, but whether you can explain why you still follow this one.

VI♊︎

The Lovers 6

Soul card; also the personality card when a date reduces straight to 6 · constellation 6

Romance is only one way to read this image of relationship. As a soul card, The Lovers is read as an inner drive to make commitments you can stand behind, rather than simply accept what is offered. You may recognize a recurring pattern: questioning what you want, weighing what matters to someone else, and deciding where you can genuinely meet.

You might turn down an appealing job because you cannot support the work, then spend weeks reconsidering what you gave up. The difficulty is not necessarily knowing your priorities; it is accepting that a worthwhile alternative can remain worthwhile after you decline it. In relationships, the same pattern invites you to ask whether you are choosing closeness freely or agreeing just to avoid disappointing someone.

VII♋︎

The Chariot 7

Soul card; also the personality card when a date reduces straight to 7 · constellation 7

A black sphinx and a white sphinx sit before the chariot in the Rider–Waite–Smith image, placing a contrast at the center of the scene. As a soul card, The Chariot is read as an inner drive to give competing impulses a shared direction. You may return to the same practical response when life gets complicated: write down your priorities, choose one task, and keep working despite distractions.

That habit can make discipline central to how you understand yourself, but it can also turn every hesitation into something you feel obliged to overcome. You may push harder when what you need is to reconsider the goal. The recurring question is whether you are directing your effort or simply refusing to stop.

VIII♌︎

Strength 8

Soul card; also the personality card when a date reduces straight to 8 · constellation 8

A woman holds a lion’s jaw in her hands without appearing to strain. In a birth-card reading, Strength as a soul card is read as an inner drive to handle intensity without overpowering anyone. You may recognize this in how you approach an argument: you lower your voice, let the other person finish, and ask a question rather than issue a demand.

This can become a lasting pattern of staying engaged when withdrawing or pushing harder would be easier. The difficulty comes when you make yourself responsible for keeping every exchange manageable, leaving your own frustration unspoken. You may keep returning to the distinction between restraint and self-silencing: can you remain considerate while saying plainly what you find unacceptable?

IX♍︎

The Hermit 9

Soul card; also the personality card when a date reduces straight to 9 · constellation 9

A cloaked figure holds a lantern and leans on a staff in the Rider–Waite–Smith image. As a soul card, The Hermit is read as an inner drive to find an answer you can stand behind, rather than one that simply wins agreement. You may recognize a recurring pattern: leaving a lively discussion to think; writing down your own answer; returning only when you can explain it honestly.

This habit gives reflection a central place in your life, but it can also make participation feel premature. You may keep postponing a conversation because your thoughts are not yet settled, shutting out useful perspectives along with the noise. The question to revisit is whether time alone is helping you engage more honestly or becoming a condition that keeps you apart.

X♃︎

Wheel of Fortune 10

Personality card; also the middle card of 19 → 10 → 1 · constellation 1

You may be quick to change plans when circumstances shift, yet less comfortable when there is nothing to respond to. As a personality card, the Wheel of Fortune is read as a recurring engagement with changes you can influence but cannot fully control. You might rearrange a carefully planned week to take an unexpected opening, treating the schedule as adjustable rather than binding.

The difficulty comes when you treat favorable conditions as something you can count on indefinitely. Your useful checks are: what has changed; what remains within your control; what needs doing while the opening exists. This reading asks you to distinguish adaptability from constantly chasing movement, especially when staying with a commitment would serve you better.

XI♎︎

Justice 11

Personality card · constellation 2

A seated figure holds scales in one hand and an upright sword in the other. As a personality card, Justice is read as a recurring concern with how decisions hold up under scrutiny. Before signing an agreement, you check the wording, compare what each person owes, and ask who carries the cost if something goes wrong.

You keep returning to the gap between a reasonable explanation and what someone actually did, including yourself. This can make you willing to revise a judgment when the evidence changes, rather than defend it simply because it was yours. It can also get in your way when every disagreement becomes a case to settle, leaving little room to hear someone without deciding who is right.

XII♆︎

The Hanged Man 12

Personality card · constellation 3

The figure hangs upside down, yet his face looks calm rather than distressed. As a personality card, The Hanged Man is read as a pattern of meeting people and situations by holding back long enough to reconsider your first response. You might leave a difficult message unanswered while you reread it from the other person’s point of view.

You keep returning to the possibility that another angle deserves time, even when you would rather settle things immediately. That habit can make room for understanding, but it can also leave you postponing a reply after you have found the words. The recurring question is whether you are allowing a necessary delay or avoiding the moment when you must respond.

XIII♏︎

Death 13

Personality card · constellation 4

An armored skeleton rides a white horse on the Rider–Waite–Smith card. As a personality card, Death is read as a pattern of meeting people and situations through decisive change, not as a reference to literal death. You may be the person who finally leaves a committee rather than continuing to attend out of obligation. You keep returning to questions of what to release, what to retain, and what to reshape.

This pattern can make you willing to acknowledge when a role no longer fits. It can also get in your way when you treat friction as a reason to cut ties before trying repair. The useful question is whether you are finishing something honestly or simply finding uncertainty hard to tolerate. Not every uncomfortable commitment needs to be dismantled.

XIV♐︎

Temperance 14

Personality card · constellation 5

On the Rider–Waite–Smith card, an angel pours liquid between two cups. As a personality card, Temperance is read as a recurring tendency to work with differences rather than immediately choose a side. You may approach a disagreement through a familiar sequence: hear each person out, suggest a compromise, and revise it when someone points out what it leaves unresolved.

You keep returning to the question of how different approaches can work together without losing what each contributes. You tend to leave room for another attempt rather than demand an immediate resolution. The difficulty comes when careful adjustment becomes endless negotiation, especially when you soften your own position before asking whether a compromise is actually useful.

XV♑︎

The Devil 15

Personality card · constellation 6

Two chained figures stand beneath a horned figure in the Rider–Waite–Smith image, their collars loose enough to remove. As a personality card, The Devil is read as a pattern of holding on for approval, familiarity, or comfort even when the cost becomes hard to ignore. You might keep saying yes to someone’s requests because being needed feels safer than finding out what happens when you refuse.

This pattern can shape how you meet people and situations: you look for something to secure, then struggle to loosen your grip. You may return to familiar arrangements even while recognizing how much they demand of you. The recurring question is not whether you care, but what you keep agreeing to in order to stay connected.

XVI♂︎

The Tower 16

Personality card · constellation 7

Lightning strikes a tower, and two figures fall from it. As a personality card, The Tower is read as a pattern of meeting situations by exposing what cannot hold. You may be the person who interrupts a project meeting to question what everyone else accepts: an unrealistic deadline, a missing resource, or a plan nobody trusts.

You keep returning to the question of what deserves rebuilding when circumstances overturn something you relied on. That can get in your way when identifying a weakness becomes a reason to reject the whole structure. The recurring question is how you distinguish a foundation that needs replacing from a flaw you can repair without tearing everything down.

XVII♒︎

The Star 17

Personality card · constellation 8

Constant optimism is a common misreading of this birth card. As a personality card, The Star is read as a pattern of meeting people and situations with a willingness to begin again, even when disappointment is still fresh. You might respond to a derailed project by making a practical inventory: what still works, what needs repair, and what can wait.

You tend to look for something usable in a difficult experience rather than insist that everything happened for a reason. That patience can become a burden when you make yourself responsible for restoring everyone else’s confidence or stay with a project simply because you can imagine its repair. A recurring question is whether your willingness to try again leaves enough room to walk away.

XVIII♓︎

The Moon 18

Personality card · constellation 9

A path runs between two towers beneath the moon, with a dog and a wolf below. As a personality card, The Moon is read as a recurring tension between what you perceive and what you can establish. You may reread a short message several times, searching for irritation that the sender never expressed.

This pattern can make you attentive to ambiguity, but it gets in your way when an impression becomes a conclusion before you check it. You keep returning to the distinction between what you noticed, what you assumed, and what you can verify. The useful question is whether you have enough information to make a consequential choice, or whether you are filling the gaps with your own apprehension.

XIX☉︎

The Sun 19

Personality card · constellation 1

A child rides a white horse beneath a large sun in the Rider–Waite–Smith image. As a personality card, The Sun is read as a tendency to meet people and situations openly, preferring what you can see and explain over what you have to decode. You may be the person who ends a tangled discussion by naming what worked, what remains unfinished, and what everyone can do next.

You keep returning to the satisfaction of making something understandable and letting others share in a job well done. That preference can get in your way when you expect difficult feelings or mixed motives to become equally tidy. The recurring question is whether you can stay open when there is no simple explanation yet.

XX♇︎

Judgement 20

Personality card · constellation 2

An angel sounds a trumpet above figures rising from open coffins. As a personality card, Judgement is read as a recurring impulse to reassess your actions rather than let an old account stand. You may return to a difficult conversation days later, sorting through what you said, what you avoided, and what you would change before speaking to that person again.

This pattern can make you willing to acknowledge a mistake or give voice to a realization you have resisted. It can also get in your way when every encounter becomes another review and you struggle to consider anything settled. The question to return to is whether you are finding something worth acting on or simply reopening a case against yourself.

XXI♄︎

The World 21

Personality card · constellation 3

A dancing figure stands within a wreath on the Rider–Waite–Smith card. As a personality card, The World is read as a pattern of bringing separate pieces into a coherent whole. You may be the person who gathers everyone’s contributions into a finished document, then checks that it reflects the work rather than merely looking polished.

You tend to return to the question of what would make something feel complete, finding more satisfaction in a careful finish than a dramatic launch. That habit can become a bottleneck when you keep revising instead of letting a finished project make room for something new. A useful question is whether your finishing touches still serve the work or simply postpone releasing it.

0♅︎

The Fool 22

Personality card, counted as 22 (numbered 0 in the deck) · constellation 4

A traveler stands at a cliff’s edge with a small bundle over one shoulder. As a personality card, the Fool is read as a recurring willingness to meet unfamiliar people and situations without demanding certainty first. You might sign up for a beginner’s class before knowing where it fits into your life, drawn to the chance to start without an established role.

That openness can get in your way when you keep choosing another beginning over the work of continuing. The useful question is whether you are making room to learn, avoiding commitment, or letting fear close off an available choice. Greer reads the Fool and its soul card, the Emperor, as one unit: your willingness to venture out belongs alongside the task of giving what you begin a workable structure.