Astronomical Alignment 2026 Regulus And The Great Sphinx

This paper presents a focused archaeoastronomical analysis of the September equinoxsky at Giza in 2026, examining the relative positions of the Sun and the star Regulus inrelation to the Great Sphinx. Using Python, NASA Horizons API solar ephemerides, andAstropy-based stellar coordinate transformations, a 5-minute interval sweep wasgenerated for 23 September 2026 at the Giza Plateau. The resulting dataset showsboth celestial bodies rising steadily through the eastern horizon corridor during a50-minute pre-dawn to sunrise window, with Regulus already elevated above thehorizon while the Sun ascends from nautical twilight to sunrise. Across the sampledinterval, the Sun’s altitude rises from -10.39° to +0.41°, while Regulus rises from 19.36°to 30.21°; simultaneously, the Sun’s azimuth increases from 83.99° to 90.31°, andRegulus moves from 87.23° to 93.54°. These values place Regulus in a tightlyconstrained eastward alignment corridor immediately before sunrise on the equinoxmorning. The study does not claim proof of ancient intent by itself, but it establishes areproducible modern alignment window that may be relevant to wider investigations intoSphinx orientation, Regulus symbolism, and equinoctial celestial markers in ancientmonumental design. The paper also provides the full computational appendix to supporttransparency, replication, and future comparative work. This makes the result suitableas a methodological anchor for further studies of seasonal stellar alignments at Gizaand other archaeoastronomical sites.