El Castillo pyramid illuminated at night under a starry sky in Chichen Itza, Mexico, one of the largest Maya cities.
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The skies and the gods were inseparable in Maya culture. Astronomers kept careful track of events like eclipses in order to perform the renewal ceremonies to continue the world’s cycles of rebirth.
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2024 is a leap year, when the shortest month mops up a bit of leftover time. But the extra day also tells us about space – and our place in it.
Leap Day is coming.
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Humans have synced their calendars to the sun and moon for centuries, but every so often, these systems need a little correction.
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The 24-hour system was independently invented multiple times.
Several school districts across the country will close in observance of Eid, a holiday that marks the end of Ramadan.
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School districts throughout the nation are beginning to heed calls to give students and teachers a day off in observance of the Eid al Fitr, a major Islamic holiday held at the end of Ramadan.
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The calendar helps to give us a map of the shifting revolutions of the seasons, ordering our days. But how did it come about?
Amid the pandemic, confetti fell on an almost-empty Times Square last New Year’s Eve.
AP Photo/Craig Ruttle
Today most societies take the A.D. time system for granted. That wasn’t always the case.
In the very beginning of the Roman calendar (more than 2000 years ago), there were only 10 months in the year.
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December is named for the Roman word for “tenth”. So, why is it the twelfth month?
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Superstition holds that Friday 13th is the day to stay in bed and avoid taking risks. But it’s all in our heads.
Lalin in Western Australia is ‘married turtle season’.
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On Wangkumarra land, in the corner-country near the borders of Queensland, New South Wales and South Australia, stands an ancient stone arrangement. It has been placed to the side of a huge complex, rivalling…
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It involves shifting calendars, greedy governments – and the Pope.
An unusual date that comes to us from the heavens.
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We will get an ‘extra’ day this year, February 29. Where do these quadrennial liberties with our calendar originate?