Calendar: 1. Observing the Sun in the Sky

Iwaya-Iwakage of Kanayama Megaliths

Figure 1. A sunwatcher looking at the path of sun in the sky over the course of a year. Art by Shiho Tokuda (by permission).

An Ancient Global Solar Calendar

The Kanayama Megaliths of Central Japan were built around 5000 years ago during the Jomon Period. They are still in full operation, as we have been reporting on this site, as a super-accurate solar calendar. The Kanayama Solar calendar is aglobal calendar.This series of posts will show this. We begin with some basic astronomical facts related to the passage of the sun in the sky, as seen from earth.

Observing the Sun in the Sky

Indigenous people around the world have been watching the sun in the sky to know the seasons. Even if they knew that the earth orbits the sun, nevertheless, in terms of human living it is as if the sun goes around the earth…

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