Scholars have long seen in the monumental composition of Stonehenge evidence for prehistoric time-reckoning — a Neolithic calendar. Exactly how such a calendar functioned, however, is unclear. In a new paper, Bournemouth University Professor Timothy Darvill argues that the numerology of Stonehenge’s sarsen elements materializes a perpetual calendar based on a tropical solar year of 365.25 days. Stonehenge. Image credit: Sally Wilson. The ensemble...
