What question did this study set out to answer?

Aim is to explore the MUL.APIN star catalogue's use of sexagesimal math and its astronomical implications.

July 29, 2026Open Access

MUL.APIN Star Catalogue: Sexagesimal Math Encoding 360-Day Year and 30° Intervals — E8 Intelligence Research

Key Points

Aim is to explore the MUL.APIN star catalogue's use of sexagesimal math and its astronomical implications.
Analyzed systematic star lists organized by celestial paths of Anu, Enlil, and Ea.
Explored mathematical intervals of 30 days and 60 days corresponding to the 360-day year.
Assessed connections between base-60 system and celestial divisions.
Star risings and settings follow mathematical intervals of 30 and 60 days, reflecting a 360-day year.
Base-60 numerical system is linked to the 360° circle and zodiacal divisions without new constants found.
Foundational implications for ancient astronomical mathematics but no new harmonic or crystallographic constants derived.

Abstract

FINDING: MUL.APIN star catalogue contains systematic star lists organized by paths of Anu, Enlil, Ea, with mathematical intervals and period relations. | MATH: The catalogue uses base-60 (sexagesimal) numerical system; star risings and settings are spaced at intervals of 30 days (1/12 year) and 60 days (1/6 year), reflecting 360-day ideal year; celestial periods encoded as 360 (days), 12 (months), 30 (days per month). | CONNECTION: Base-60 directly relates to 360° circle; 30° intervals correspond to zodiacal divisions; ratio 30/360 = 0.0833, 60/360 = 0.1667; no explicit golden ratio or Fibonacci constants found in these summaries. | DEPTH: 4 — foundational for ancient astronomical mathematics, but no new harmonic or crystallographic constants extracted from provided sources. Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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