![]() ![]() Some have suggested the less ambiguous Northward equinox for this date and Southward equinox for. The autumnal equinox isn’t a daylong event but rather occurs at the exact moment the sun crosses the celestial equator that’s at 2:49 a.m. On Earth, there are two equinoxes every year: one around March 21 and another around September 22. The equinoxes are the only time when both the Northern and Southern Hemispheres experience roughly equal amounts of daytime and nighttime. It is also the time of the year in which the Northern and Southern Hemispheres are distributed equal amounts of light. (In the southern hemisphere, it is the first day of autumn. An equinox is an event in which a planet ’s subsolar point passes through its Equator. An equinox happens twice a year when the sun is positioned directly above the equator making day and night approximately equal in length which is why in Latin, equinox means “equal night.” Normally, Earth orbits tilted on its axis by 23.5 degrees. 22, it's really just a moment in time to be exact it's when the sun crosses the celestial equator, an imaginary line in the sky above Earth's equator. The reason we have seasons is due to the fact that the earth is tilted on an axis toward the sun. Although the autumnal equinox is observed, maybe even celebrated, all day on Sept. Remind me what an equinox is again? Image from Shutterstock This year the autumn Chicagohenge will be best experienced on the official first day of fall which is this coming Saturday, September 23rd. Dubbed “ Chicagohenge“, twice a year for the spring and fall equinoxes the sun lines up directly with Chicago’s streets and beams down the heart of the city splashing through Chicago’s artificial valleys. In Chicago, the equinoxes provide a similar sight right here in our urban metropolis. During the summer and winter solstice, the sun rises behind Stonehenge’s Heel Stone, where its rays are captured within the rock frame, creating a glorious spectacle that thousands of people flock to witness They are Rain Water, the Spring Equinox, Grain Rain, Grain Full, the Summer Solstice, Great Heat, the Limit of Heat, the Autumnal Equinox, Frosts Descent. You’re likely familiar with the prehistoric boulder formation in Wiltshire, England. One of Chicago’s most unique experiences returns this week offering an extraordinary collaboration between the magic of nature and Chicago’s glorious architecture during the autumn equinox.
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