Double sunset at Piramides de Guimar

On the 21st of June, the Ethnographic Park opens its doors so that the public can observe (weather permitting) the ‘Double Sunset’ phenomenon. This phenomenon was discovered by researchers of the Canarian Institute of Astrophysics at the time when they established the archaeoastronomical characteristics of the Güímar structures, which are aligned with the sun during the summer and winter solstices.
On this date, if one stands alongside the principal axis of the complex, one will be oriented to the exact point in the horizon where the sun sets. Furthermore, the view one has from this axis permits the vision of a curious optical phenomenon known as ‘Double Sunset’, a phenomenon by which one can observe the sun disappear totally before reappearing partially a few minutes later.

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