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Orange lines mark the annual solar round. Lunistice positions over the 18.6 year lunar nodal cycle are blue. More about the Solar Calendar More about the Lunar Calendar More about this placeLook West

mega-what / prehistoric horizon calendars / Ireland, Co. Sligo, Sligo

Carrowmore Tomb 3: Luni-solar rises

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East centred view with luni-solar trajectories c.4000BCE from Carrowmore Passage Tomb, Sligo, Ireland. The equinox is at a break but its quarter and half month brackets have better marks. Both equinox / cross-quarter midpoints are in dips, the cross-quarters are marked by tops.

Look West  |  More about Carrowmore Passage Tomb 3.This View at 1:1 scale ratio: 6400x1600.

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© Michael Wilson.