I was recently in northern Argentina at the Tropic of Capricorn. I saw a structure there that has been described as a sundial but I have trouble understanding how it could work. I'm attaching a small photo of the gnomon, which is angled at roughly 23.5 degrees. So far so good.
What confuses me is that the gnomon is aligned along the east/west axis, which you can see by the Google Maps satellite view shown for the coordinates 23°26'52.1"S 65°21'06.0"W I've also read this description of the marker, automatically transited from Spanish: > Generally, this place is chosen so that the natives of here come and > celebrate the Inti Raymi, thanking the Sun on June 21, as the Incas used to > do many years ago. They await the arrival of the Sun which for them is a new > year. Would an east/west orientation be appropriate for a monument marking the June solstice south of the equator? Thanks for your help deciphering the design, John
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