The equinox is at a break on a slope with equinox / cross-quarter midpoints at dips to either side. Winter cross-quarters are at a rise on a slope and so are summer ones.
Vertical scale x2, maxpic 3200x1600.
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 East
Derryduff More Megalithic Structure: Luni-solar sets
The equinox is at a break on a slope with equinox / cross-quarter midpoints at dips to either side. Winter cross-quarters are at a rise on a slope and so are summer ones.
- Derreengreanagh Wedge Tomb is c.11km south (186°)
- Island Wedge Tomb is c.70km north-east
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