concept

Zodiac

Cosmos · Numbers & forms

A belt of signs used to place the Sun’s path. Babylonian, Greek, and later zodiacs are local schemes, not one sky.

Astrology

  • Zodiac is used in Astrology.

    Ptolemy’s Tetrabiblos uses the zodiac as the belt of signs against which planets are placed. A Hellenistic scheme, not one world sky.

    from Claudius Ptolemy · Tetrabiblos, c. 150 CE

    used in · sourced · documented

  • Zodiac is used in Calendar.

    Zodiac used in Calendar. A belt of signs used to place the Sun’s path. A scheme for naming days. The Atlas keeps their meeting local, without dissolving either into a single meaning.

    from SHOE.BLUE · SHOE.BLUE, 2026

    used in · interpretive · modern interpretation

sources

  • Tetrabiblos · Claudius Ptolemy

    Ptolemy, Tetrabiblos.

  • SHOE.BLUE · SHOE.BLUE

    SHOE.BLUE, Atlas instrument voice.