What is a tarot birth card?
A tarot birth card is a Major Arcana archetype derived from the numerals in your birth date. The arithmetic reduces month, day and year until the total lands inside the 22 cards of the Major Arcana. Because it comes from a fixed date, the result doesn't change from year to year — it's read as a standing theme rather than a forecast.
Most people get a pair. The higher-numbered card is usually read as the outward lesson or the side other people meet first; the lower one as the deeper current underneath it. Which of the two leads can flip depending on the reduction path, which is one of several reasons this system resists a single canonical answer.
The three methods we support
These are not variations on one idea — they produce different cards for the same person. We implemented three of the conventions in widest circulation. Pick one and the whole site follows it.
The Tarot School
7 + 14 + 19 + 85 = 125
12 + 5 = 17 → 17 / 8
Mary K. Greer
7 + 14 + 1985 = 2006
2+0+0+6 = 8 → 8 / 17
Last two digits
7 + 14 + 85 = 106
10 + 6 = 16 → 16 / 7
A fourth convention adds every digit of the date individually, and a fifth reduces month, day and year separately before combining. Both are in use. We've left them out because they tend to agree with one of the three above once the reduction rule is held constant — but if you need them, the arithmetic is documented on the calculator page.
Why calculators disagree
Search a few birth card calculators and you'll get different cards for the same birthday. This isn't a bug in any one of them; the tradition simply never settled on a single formula. The disagreements cluster around three points: whether the year is added whole or split into century and year, whether month, day and year are reduced separately or together, and whether the companion card is derived by re-adding digits or by adding nine.
There are also two contested identities. A total of 22 is the Fool in some systems and the Emperor in others. And Strength and Justice swap numbers between the Waite and Marseille orderings of the Major Arcana. Both disputes change the answer for a substantial share of dates.
The three-card case
A total of 19 is the only result that reduces twice: the Sun becomes the Wheel of Fortune, which becomes the Magician. Rather than choosing one, the method keeps all three. This happens for roughly one date in twenty.
Birth card vs. life path number vs. zodiac sign
These are often confused because two of them use the same input. A life path number reduces your birth date to a single digit, or to a master number like 11, 22 or 33. A tarot birth card uses the same arithmetic but deliberately stops earlier, so the result can land anywhere in the 22 Major Arcana. Your zodiac sign comes from the sun's position on your birthday and is unrelated to either.
None of the three will agree with the others, and that isn't a contradiction — they're different systems that happen to share an input.
Looking for a playing card instead?
If a calculator gave you a card like the Queen of Clubs, you've met a different system. Cardology maps each birth date to one of 52 playing cards, or the Joker, using a lookup rather than a digit reduction. It traces back to Olney Richmond's The Mystic Test Book in 1893 and was modernised by Robert Lee Camp in 1988. It will never agree with a tarot birth card, because the symbol sets are unrelated.
Open the playing card calculator
The twelve combinations
Every date resolves to one of these twelve pairs, plus the single three-card chain. Open any combination to see which birthdays produce it.