On the ANCIENT ARCHITECTS presentation 36,420 BC: Zep Tepi. 09/01/2019

Archaeoastronomy · Giza Plateau · c. 36,420 BC

Zep Tepi & the Age of the Giza Monuments

On the celestial alignments of the First Time — what the sky above Giza may have revealed at the dawn of Egyptian civilisation

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Accounting for Armando Mei's Zep Tepi theory,^[1,2] we place the mythical First Time at approximately 36,420 BC — a full precessional cycle before the 10,450 BC date proposed by Bauval and Hancock. At this remotely ancient dawn, every monument on the Giza plateau aligned with extraordinary precision to the constellations overhead.

The alignment that fixes this date turns on the Sphinx as an eastern marker corresponding to the constellation of Leo. At the vernal equinox of 36,420 BC, Leo rose directly east at the horizon, with the Sphinx gazing directly into the face of its celestial counterpart. The transcript of the Ancient Architects series details how the Sphinx was originally an Aker lion — recumbent, guardian of the horizon — bearing a solar disk on its back to represent the god Khepri, the scarab of the rising sun, before becoming Horemakhet and ultimately Ra-Horakhty: all expressions of the same deity, the morning sun breaking from the underworld.

The Belt of Orion · Mirroring the Sky

The stellar alignment hypothesis, originally accredited to Robert Bauval, holds that the three great pyramids mirror the three stars of Orion's Belt, expecting the shape of the Belt to 'mirror the sky' precisely. The correspondences: Alnitak (ζ Ori) to the Great Pyramid of Khufu; Alnilam (ε Ori) to Khafre; and Mintaka (δ Ori) to the smaller Pyramid of Menkaure — its slight offset from the axis reflecting Mintaka's own offset from the other two belt stars.

The Orion Correlation & Zodiac Belt · Giza at the Vernal Equinox · 36,420 BC

At the vernal equinox of 36,420 BC: Orion stands on the celestial meridian above the pyramids; the Zodiac Belt (ecliptic) sweeps through the sky at ~23° to the equator; Leo rises due east at the horizon — the Sphinx's gaze. Dashed lines show the Alnitak–Khufu, Alnilam–Khafre, and Mintaka–Menkaure correspondences. The 67° arc marks Sirius on the equinoctial plane.

Bauval, Hancock & the Inner Chambers

Bauval's theory has been extended by both he and Graham Hancock to the pyramid's interior: that the inner shafts 'point' to associated constellations or stars — the southern shaft of the King's Chamber aimed at Alnitak, the northern at the former pole star. This reading is contested. A more compelling interpretation is that these internal passages were engineered to channel sunlight, drawing a blade of illumination into the central chambers at precise solstice and equinox moments — the exterior mirrors the sky; the interior captures the sun.

The sphinx was originally an Aker lion — recumbent, guardian — bearing a solar disk to represent Khepri, the rising sun. It became Horemakhet, and finally Ra-Horakhty. All three are one: the first light breaking the horizon, every morning, since the First Time.

The Ancient Architects transcript underscores that the Sphinx looks directly due east — toward where the sun rises, toward Leo at the vernal equinox of 36,420 BC. The god Horemakhet means literally 'Horus in the Horizon': a deity of the dawn sun. Khepri, the scarab, arose on the primeval mound. The Aker lion pair, back to back, was the symbol of the horizon itself with the sun disc between them — and the lone Sphinx may be that very symbol made stone.

The Sphinx · Eastern Horizon Marker

The Great Sphinx at Giza · Gazing East toward Leo · 36,420 BC

Illustration: generated night scene with Leo constellation overlay

The Sphinx gazes due east — directly into the rising heart of Leo at the vernal equinox of 36,420 BC. Regulus, the royal star at the base of the sickle, blazes on the horizon as the Sphinx's eternal counterpart. Originally an Aker lion bearing Khepri's solar disk, it became Horemakhet — Horus in the Horizon — and finally Ra-Horakhty, the lord of all horizons.

Precession & the Inventory Stela

Mei's case rests substantially on the precession of the equinoxes — Earth's slow axial wobble over ~25,772 years, cycling the vernal equinox through all twelve zodiacal signs.^[i] By working backwards through this cycle, 36,420 BC emerges as the only epoch in which every element of the Giza complex aligns simultaneously: Orion on the meridian above the pyramids, Leo due east at the Sphinx, and Sirius at a precise 67° to the equinoctial plane. That last point demands attention. Sirius — Sopdet to the Egyptians — was the star of Isis, the brightest in the entire night sky, and its heliacal rising marked the flooding of the Nile and the birth of the Egyptian year. Its presence in this configuration is not incidental: at 36,420 BC and only at this epoch, Sirius occupies precisely that 67° angle on the plane of the vernal equinox, locking it into the same celestial tableau as Leo and Orion. No other proposed date — not 10,500 BC, not 2,500 BC — produces this triple conjunction. The configuration is, in Mei's argument, a astronomical fingerprint that identifies the First Time not as myth but as a calculable, verifiable moment in deep prehistory.

Supporting an earlier build is the Inventory Stela of Khufu, discovered at Giza and now held in the Cairo Museum, which refers explicitly to a Temple of the Sphinx and the Pyramids as structures already standing — honouring them as pre-existing monuments, not claiming their authorship.^[4] The implication is direct and devastating to the orthodox timeline: if Khufu's own commemorative stela acknowledges the Sphinx and its temple as monuments that preceded him, then the Fourth Dynasty pharaoh was a restorer of a far older sacred site, not its creator. This is not a fringe reading — it is what the stela itself says.

Yet this evidence has been persistently marginalised by the Egyptian archaeological establishment. The position long advanced by figures such as Zahi Hawass — that Khufu built the Great Pyramid and Khafre carved the Sphinx — rests on dynastic attribution and administrative convenience, not on any inscription, tool-mark, or cartouche found on the Sphinx itself. No such evidence exists. The attribution is an assumption that hardened into orthodoxy, and orthodoxy that became, in the hands of those controlling excavation access, something closer to policy. The Inventory Stela directly contradicts this narrative, which may account for why it has been so consistently downplayed rather than addressed. It is a political position dressed as archaeology — and the stela stands as a primary source that the Egyptian Ministry of Antiquities has yet to formally reconcile with the Khufu-builder consensus it continues to promote.

The weathering of the tomb of Khentkaus, whose placement on the plateau corresponds with the Sphinx's own orientation, coincides in erosion character with the Sphinx itself — pointing not merely to shared age but to deliberate shared placement within the same ancient plan. The Ancient Architects transcript adds that the Sphinx likely bore a giant lotus flower or solar disk on its back — symbols of Khepri and creation — and that this sacred landscape was regarded as the primordial mound of Zep Tepi, the realm of Sokar, and the entrance to the underworld: a complete cosmological site from the First Time, to which the Fourth Dynasty pharaohs were latecomers, not architects.

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References & Notes

1. [1] Ancient Architects, '36,420 BC: Zep Tepi & the Age of the Giza Monuments'. https://youtu.be/Qc-Cyl5eJJc?si=2JDOpK96Lek5h0TX
2. [2] Armando Mei, Il Segreto Degli Dei: Un Viaggio Tra Scienza, Qaballah E Alchimia. Createspace, 11 December 2014.
3. [3] The three belt stars: Alnitak (ζ Orionis), Alnilam (ε Orionis), and Mintaka (δ Orionis).
4. [4] Ancient Architects, ibid.
5. [i] Precession of the equinoxes: UBC Mathematics