Sunrise, sunset June 22, 2016HomeAmerican Eagle, Captain John Foss, Carol L. Douglas, learn to paint, North Haven, plein air painting, Pulpit Harbor, Pulpit Rock, Russ Island, sine wave, sunrise, sunset, windjammer By Carol Douglas “Oh, snap!” I thought. The tides and the changing length of the day are just two physical manifestations of something we learned in high school. It was great to have my gut feeling validated like that.