• Kyodo

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An hourglass at a museum in Shimane Prefecture that measures the duration of a year has been recognized by Guinness World Records as the world’s largest, the museum said Sunday.

The hourglass, built at the Nima Sand Museum in Oda, is 5.2 meters tall and has a diameter of 1 meter. It began ticking on Jan. 1, 1991, using quartz sand from Yamagata Prefecture. One ton of the sand is designed to fall through the glass container over a year.

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