Fall 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 fall 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
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J.R.R. Tolkien Day
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An oasis in a sea of sand
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40 years of recovery
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A sea of humanity
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Frankenstein Friday
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A postcard-perfect landscape
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God’s Own Country
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Total solar eclipse
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Aýna, Albacete, Spain
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Plitvice Lakes National Park, Croatia
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Vancouver Island, British Columbia
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Hoodoos, Sunset Point, Bryce Canyon National Park, Utah, USA
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A shiver of sharks on the hunt
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Protecting the gentle giants
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Reflecting its stylish past today
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The Sonoran Desert, Arizona, USA
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Baia del Silenzio in Sestri Levante, Italy
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Telašćica Nature Park, Dugi Otok, Croatia
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The Nutcracker performed by the Turkish State Opera and Ballet in Türkiye
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Red fox mother kissing her baby
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An archaelogical treasure
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Amphitheatre of El Jem, Tunisia
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Daylight Savings
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Golden larches and Prusik Peak, Enchantments, Washington
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Porto, Portugal
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Christmas Eve
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A convocation of eagles assembles
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Val di Funes, Italy
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A traboule in Lyon, France
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Moose, Denali National Park, Alaska, United States
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