Callanish appears astronomically aligned with the 18.6-year Metonic lunar standstill cycle. A stone northeast of the circle may frame a rare moonrise occurring every 18.6 years, with the Sleeping Beauty mountain serving as a dramatic backdrop for these observations. The last major standstill visible from the site occurred in June 2006.
Callanish aligned to 18.6-year Metonic lunar cycle with moon rise over Sleeping Beauty mountain
Key facts
- A stone northeast of the main circle may have marked a special moonrise seen every 18.6 years
- The site has alignments to the 18.6-year Metonic moon cycle
- The Sleeping Beauty mountain to the southeast serves as a backdrop for lunar observations
- The last major lunar standstill observation was in early June 2006
- The eastern avenue is a single row of stones, not an avenue, and may align to the equinox
Site mentioned
📍 Callinish Standing Stones [Island of Lewis] - Callanish II🌍 Show on the globe
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