mega-what / prehistoric horizon calendars / Ireland, West Cork, Castletownshend

Gurranes Stone Row: Luni-solar sets

West centred view with luni-solar trajectories c.1200BCE from Gurranes Stone Row, Cork, Ireland. The equinox is marked by a dip / step. Winter and summer cross-quarters are on flat tops. Cross-quarter / equinox midpoints are in dips.
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© Michael Wilson.