Autumn isn"t just marked by the calendar. Each September, Earth"s subtle tilt brings the autumn equinox—one of two times a year when day and night are nearly equal in length. It marks the beginning of autumn in the Northern Hemisphere. From solar alignments to changing leaves, nature offers its own quiet signals that the season has shifted. While for most of us it may seem like just another day, ancient cultures paid close attention to this change. Sites like Chichén Itzá in Mexico and England"s Stonehenge were designed to align with the rising or setting sun during equinox days.
Autumn equinox
Today in History
More Desktop Wallpapers:
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Vineyards in Varnhalt, Black Forest, Germany
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Where the rainbow ends
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The ‘potato chip bird’
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Saguaro cacti, Windgate Pass, Arizona, United States
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King of the jungle? Nope
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Flying the flag for Pride
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Brooks Falls, Katmai National Park, Alaska
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Astoria-Megler Bridge, Oregon
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Sundance Film Festival
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Bernina Pass, Graubunden, Switzerland
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Waitangi Day in New Zealand
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Horsetail Fall, Yosemite National Park, California, USA
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A glimpse of the grandest of canyons
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Incan ingenuity
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Rice terraces of Mù Cang Chải, Yên Bái province, Vietnam
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Spring is coming
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World Lizard Day
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International Jazz Day
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Maharashtra Day
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Sanctuary among the trees
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Spring is the time for billing
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‘Only one Earth’
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Mother manatee and calf, Crystal River, Florida, United States
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Cascade in the City of Waterfalls
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Cypress trees in George L. Smith State Park, Georgia, United States
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Rock River Falls, Upper Peninsula, Michigan, United States
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Zoroaster Temple, Grand Canyon National Park, Arizona, United States
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International Day of Peace
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Reflecting on Christmas
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Happy St. Patricks Day!
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