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Birth Card Finder

Look up your birth card and year card, then explore a few themes and reflection questions. Just for fun; the cards do not predict anything.

What you get back

Your cards, a few themes and three questions

Your AI shows its working, so you can check the lookup yourself. Keep what fits. Skip what doesn't.

Example only · Made-up practice data

Scroll the table sideways to see every column.

CardResultThemes
Birth cardK♦ King of DiamondsLeading with what you value, sharing your skills, knowing your worth
Year card, age 366♠ Six of SpadesBalancing effort and rest, steady habits

Questions to think about

  1. What is something you value enough to take the lead on?
  2. Where could your work or daily habits feel more balanced this year?
  3. How could knowing what you value help you find that balance?

EXAMPLE ONLY. A made-up person born March 10, 1990, from the book's worked example. Just for fun and self-reflection. Cards don't predict anything.

The $3 book includes

Exactly what you get

  • cardology-ebook.pdf: 14 pages. 10 picture pages for you, then the full skill for your AI with exact lookup tables.
  • SKILL.md: the same skill as a file, for AI tools that support skills
  • Works with any AI chat that can read a PDF or a text file
Before you start

What you’ll need

An AI chat that can read a PDF or text file. Supply your birth date, and your age for a year card (ages 0–90). For entertainment and self-reflection only. No predictions or advice.

AI access is separate. Results and file support vary by tool.

Questions? Read the FAQ →
E-book + AI skill

Inside Birth Card Finder

Your birthday is a playing card.

Each date on the calendar lines up with a card from a standard deck: 52 cards, plus one Joker. This short, picture-first e-book shows you how to find your card with one line of simple math. Then hand the whole PDF to ChatGPT, Claude or Grok. Your AI looks up your birth card and your card for this year, then gives you a few themes and questions to think about.

What your AI gives you

  • Your birth card, plus the math that proves it
  • Your year card for any age from 0 to 90
  • 2 to 4 short themes for each card
  • 3 open questions to reflect on

For entertainment and self-reflection only. The cards don't predict anything.

The simple math

Find your card in one line

The formula

55 − (2 × month + day)

Born March 10? 55 − (2 × 3 + 10) = 39. That is the King of Diamonds.

  • 1 to 13: Hearts
  • 14 to 26: Clubs
  • 27 to 39: Diamonds
  • 40 to 52: Spades

Two special days

December 31 gets the Joker. It sits outside the 52-card deck.

February 29 gets its own card: the 9 of Clubs.

Your birth card stays the same for life. Your year card changes on every birthday.

How to use it

Three steps

  1. Find your card on the chart, or do the math: 55 − (2 × month + day).
  2. Give your AI the PDF. Say: “Use the Birth Card Finder skill. I was born ___.”
  3. Read your themes. Keep what fits. Skip what doesn't.

Built-in safety rules

  • Your AI asks only for your birth date, and your age if you want a year card.
  • It is told never to predict events or give advice.
  • For big decisions, it points you to a real person or professional.
  • It looks cards up in the tables instead of guessing from memory.

Good to know

An AI working from memory can mix up birth cards. This book gives your AI the full date-to-card table and all 13 year-card layouts. We checked all 366 dates and all 4,732 year cards against our reference tables. Every one matches.

For entertainment and self-reflection only. Not a prediction. Not medical, financial, legal or relationship advice. Answers can vary between AI tools. Digital download. Nothing ships.

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