Long before the wristwatch, people had a sundial on their wrist. This Hemisferium sun dial ring is a replica of such a portable instrument. You hold it upright in the sun, after which the sunlight falls through a small opening as a light spot on a clock dial. That’s how you read the time. Such sundials were in use for centuries as a kind of pocket watch of their time.
It is primarily a decorative and educational object, and a gift for anyone who is interested in astronomy or old instruments. Those who collect portable sundials can combine them with the cylinder sundial of Hemisferium.
Keep in mind that you are reading the sun’s time. In the Netherlands, it runs one quarter of an hour to an hour behind the clock during winter time, and one to two hours during summer time. If you’re curious about what the sky looks like through a large telescope, then plan a visit to one of the Astronomers in the Netherlands.
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