Primary source
Heinrich Cornelius Agrippa, Three Books of Occult Philosophy, Book II (1533; English translation 1651)
Guardian Angels
Quarter & Element
Agrippa's Scale names your guardian angel and the angel of your season.
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How this reading is made
Every CrystalCore reading is calculated: the same date of birth always returns the same result, by the arithmetic set out below. Each interpretation follows the literature listed in the bibliography, and where the step from a date to a result is our own convention rather than the source’s, we say so, along with what the reading does not claim to know.
What we calculate
Write your birth date as eight digits and count how often each appears. The digit that repeats most is your number; zeros never count, and where two digits tie we take the higher. About one date in thirteen repeats nothing at all, and those fall back to the last non-zero digit of the day of birth. It is arithmetic you can do on the back of an envelope, and we would rather you checked it. This step is ours rather than Agrippa's: his book sets out at length what each number means, but it never derives one from a birth date. The method he does give — numbers attributed to letters, in chapter xx — works from a name, which we do not ask you for.
Where the meaning comes from
Agrippa devotes a chapter to each number and gives each one a Scale: a table setting that number out across the exemplary, intellectual, celestial, elemental and human worlds at once. The scale of nine names the nine choirs of angels and their ruling angels; the scale of four names the four angels of the world's corners; the scale of one names the heart, first living and last dying. Your reading is drawn from the scale belonging to your number — what it governs in the heavens, what order of angels answers to it, and, in the row Agrippa reserves for the human being, what it is in you.
What we don't claim
The number you were given is our convention, not his. Agrippa's meanings are old and specific, but the step that turns a birth date into one of them is ours, and we would rather say so than let the citation carry more weight than it has earned. We read one through nine — the complete set of digits, and the point at which this subject closes, since the nine choirs are the whole angelic hierarchy and there is no tenth. Agrippa scales ten and twelve as well; twelve is the zodiacal number, and we leave the zodiac to the two traditions here that already read it. Eleven he gives no scale at all. Each scale carries an infernal row besides, which is genuinely in the text and left out here in full; we keep only the structural idea that every number has its own privation. If you arrived expecting the modern tradition of repeating sequences noticed on clocks and number plates, that is a twentieth-century development and not what this is. Your birth date is our only input, and we make no claim that a number determines anything about you.
Sources
The interpretation is drawn from Agrippa — out of copyright, and readable in full at the link below. We worked from that text directly, using AI to draft summaries of each month, number, sign or card, then edited them: the scheme and the attributions are the author’s, the phrasing is ours.
This is a reading of a tradition, not a prediction and not advice.
Agrippa Heinrich Cornelius, “Three Books of Occult Philosophy, Book II”, trans. J. F., London 1651.
The Scale of each number — how it runs through the exemplary, intellectual, celestial, elemental and human worlds — including the nine choirs and the four angels of the world’s corners. Book II of the 1533 De occulta philosophia, in the 1651 English translation.
The step from your birth date to this result is our own convention — the source supplies the meanings, not the method.
Internet Archive