Was built when the earth’s axial tilt was at 27 degrees. It was a tool operated by the Druids, to tell the time. Your watch operates on solar time. From Stone henge you can work out solar and lunar time. Your watch can not.
Stone henge, was built by the Mycenaen’s and the local people, between 3250 BC and 800BC.

It took 2450 years to complete, which is a very long time for one building project. As nothing but time itself is more important to human survival. It is no good planting your last seeds on a sunny day in November.

When we understood time we evolved from hunter-gatherers into farmers.

Would you like to understand time?