EXTRACTED METHOD: astronomical_epoch_backcalc — E8 Intelligence Research

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A computational method based on precession-adjusted equinox sunrise alignment can back-calculate the astronomical epoch of a historical site given its orientation offset. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Andrew Stewart Caldin

doi:10.5281/zenodo.22138360

August 28, 2026Open Access

EXTRACTED METHOD: astronomical_epoch_backcalc — E8 Intelligence Research

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Key Points

To calculate the precise historical epoch when equinox sunrise aligned with site orientations by modeling the effects of axial precession.
Modeled axial precession shifts based on observed site orientation offsets from cardinal east-west axes, such as a 0.5-degree deviation.
Computed the historical timeline where equinox sunrise precisely matched the orientation angle.
Compared derived alignment epochs against standard archaeological dates (600 CE) and alternative fringe hypotheses (10,500 BCE).
Generated an algorithmic method to backcalculate historical calendar dates directly from astronomical orientation angles.
Established comparative alignment metrics to mathematically evaluate accepted historical epochs against fringe chronological claims.

Abstract

rule: Given site orientation (e.g., 0.5 deg offset from east-west), compute precession-adjusted epoch when equinox sunrise aligns exactly; compare to accepted 600 CE and fringe 10500 BCE. source: rlab #200 Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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Andrew Stewart Caldin (2026) studied this question.

synapsesocial.com/papers/6a93f0696c1a8fb52e79c985 https://doi.org/10.5281/zenodo.22138360

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EXTRACTED METHOD: astronomical_epoch_backcalc — E8 Intelligence Research

Key Points

Abstract

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Cite This Study

EXTRACTED METHOD: astronomical_epoch_backcalc — E8 Intelligence Research

Key Points

Abstract

Discussion

Cite This Study

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