Click Here to access the US Naval Observatory almanac for finding Sun/moonrise, set, and transit times.

This is an valuable tool for Archaeoastronomers. Often light and shadow interactions occur at these three times.

At the Shaw Butte site and at the Rock shelter, transit is an important time. The Centerstone at the site and the "lightshow" in the Rock shelter are both transit events.

Petroglyphs around the perimeter of the stone wall act as rise and set markers.

Click Here to reset the calculator