mega-what / prehistoric horizon calendars / Ireland, North Tipperary, Rear Cross

Shanballyedmond Court Tomb: Luni-solar rises

East centred view with luni-solar trajectories c.3000BCE from Shanballyedmond Court Tomb, Tipperary, Ireland. Winter cross-quarters are at a basal step / break. Winter solstice is at a slight dip / break.
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© Michael Wilson.