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Astrological Antiscia Point Calculator

Reflect one resolved zodiac longitude under the conventional solstitial antiscia map, normalized to [0,360); symbolic geometry, no prediction.

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Description

Return an antiscia angular reflection.

Traditional chart systems use ordered symbolic labels and cyclic angular notation. Arithmetic on supplied stems, sign positions or reflected angles can preserve a convention without computing dates, establishing astronomical positions or supporting personality or future-event predictions.

Return an antiscia angular reflection.

When to use this tool

Use Astrological Antiscia Point Calculator when checking the stated traditional label-selection or angular-notation convention.

How to use the tool and how it works

  1. Enter longitudeDegrees. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read result. Expand result to inspect the returned fields.

Return an antiscia angular reflection. Require longitudeDegrees in [0,360]; reflectedLongitude = mod(180-longitude,360).1

Input fieldMeaning and unitsAccepted input
longitudeDegreesLongitude Degrees Unit: deg.Required. Finite number.
Output fieldInterpretationReturned shape
resultReturned calculated value or nested object under the stated output convention.Required. Object.
result.reflectedLongitudeDegreesReflected Longitude DegreesCalculated result member: number.
json
{
  "input": {
    "longitudeDegrees": 35
  },
  "output": {
    "result": {
      "reflectedLongitudeDegrees": 145
    }
  }
}

Limitations and assumptions

  • This is an angular notation transform rather than an ephemeris, physical influence model or scientifically supported prediction.
  • Outputs are nested inside result. Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Use an appropriate calendar or astronomical ephemeris when actual dates or positions are needed, and interpret traditional chart labels within their stated cultural context.

References

  1. Calculation and input contract: astrology/antiscia-points — tool.io

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