Platonic Great Year Duration Zodiac Cycle of 25,920 Years 2,160 for Signs Times 12 Revealed in Olympic Foot Measure

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Although the methodology to have determined the length of the Olympic foot (12.16 modern inches) was lost to the Greeks by Plato’s day, he was aware of the Great Year, the cycle duration of the zodiac along the horizon which would be 25,920 years (if the universe were that old) due the axial precision rate of the earth of 72 years/degree x 360), the methodology for earth measure (geometry) explained at this site under the Page titled Great Pyramid for Navigation.