Clockwise Cosmology Structural Layer: A Terrestrial Observational Framework for the Structured Description of the Visible Sky

Clockwise Cosmology is a terrestrial observational framework for the structured description of the sky as experienced from the surface of the Earth. The framework establishes a distinct organizational model grounded in three independently observable layers of celestial motion, an observer-centered representation of the ecliptic through a 365-CC-degrees coordinate system, thirteen constellation regions organized along the observable solar path, and seven naked-eye visible celestial bodies tracked against the stellar background. Its contribution lies not in the discovery of new celestial phenomena but in their formal structuring within a governed architecture that explicitly separates observable motion across distinct timescales — one in which the observer's terrestrial position, the horizon, and direct observational experience constitute the primary categories of celestial description. The framework is grounded in two foundational premises — the terrestrial observer as the primary reference point and the horizon and rising point as the primary orientation structures — upon which four primary structural contributions are built: three distinct observable sky motions — the Three Clocks — operating across different experiential timescales; the ecliptic through a 365-CC-degrees coordinate model linking solar movement to terrestrial seasonal experience; thirteen unequal constellation regions derived from IAU boundary measurements and three observer-centered adjustments; and seven naked-eye visible bodies tracked through their independent positional drift against the stellar background. These four contributions are developed in detail in Sections 4 through 7. Clockwise Cosmology is structured across two foundational layers. This document establishes the first: Clockwise Cosmology Structural Layer: A Terrestrial Observational Framework for the Structured Description of the Visible Sky — a complete terrestrial observational architecture that describes celestial motion, positional relationships, and observer-centered sky organization without interpretive, predictive, or causal claims. The second layer — Clockwise Cosmology Interpretive System: A Governed Framework for Celestial Interpretation — is structurally dependent upon the architecture established here and is addressed in a separate document. The Structural Layer is designed to function as a descriptive system independently of interpretation. Keywords: terrestrial observation; celestial description; constellation organization; archaeoastronomy; observer-centered sky frameworks; celestial motion; ecliptic; observer-centered astronomy; Clockwise Cosmology;