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Equinox spring 20218/27/2023 ![]() Many people across the globe celebrate the spring equinox as a time of rebirth and renewal. By AD 2597, the spring equinox will happen in Aquarius. Since 68 BCE, the equinox has taken place while the sun is in the constellation Pisces. The sun travels through the constellations of the zodiac, and every zodiac sign will host a spring equinox. The position of the sun during the equinox has shifted by about 1° every 73 years because of the earth’s wobbling. So, though astronomical events like the equinox take place close to the same date every year, the position of the earth and sun in the galaxy is different. The solar system also orbits through the galaxy. This angle and the different positioning of the earth through time in relation to the sun produces the seasons. As it spins, it wobbles, which is called the earth’s precession. ![]() The earth tilts at a 23.5-degree angle in its orbit. The earth orbits around the sun in our solar system. While the lengths of day and night are equivalent on the equinoxes, the summer solstice is the longest day, and the winter solstice the shortest. As the spring and fall equinox signal the beginning of their respective seasons, the solstices signal the beginning of their respective summer and winter seasons. The Moment of the SeasonsĪn equinox also takes place in fall in the Northern Hemisphere, which corresponds to spring in the Southern Hemisphere. Because of leap year every four years and other alterations in the calendar, however, the spring equinox always occurs within a day of March 20. The day can vary over time because the calendar doesn’t equate exactly to astronomical time. In the Southern Hemisphere, it’s the beginning of fall. On March 20 in the Northern Hemisphere, this corresponds to the beginning of spring. ![]() On the spring equinox, the point of sunlight passes directly over the equator, heading north, with the sun sitting directly overhead. If you looked at a record of this point moving across the surface of the earth over time, it would look like many lines crisscrossing the planet. The focal point of the sun’s light hits the earth and travels across its surface as the earth spins. There is a complex relationship between the movement of the sun and the earth. This year, the spring equinox occurs at 4:24pm on Monday, March 20. The equinox which translates to “equal night” from the Latin, means that daytime and nighttime are of equal length on this day. The kick-off to the season begins with an astronomical event called the spring equinox, also called the vernal equinox. We all look forward to the arrival of spring, with warming temperatures, increased sunlight, and the budding of new life. ![]()
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