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  1. www.timeanddate.com › astronomy › equinox-solsticeWhat Is the Equinox? And What Is the Solstice? - timeanddate.com

    There are only two moments each year when neither pole points toward the Sun, and the Sun lies directly above Earth’s equator. These moments are the equinoxes. The March equinox happens sometime between March 19 and 21. The September equinox occurs sometime between September 21 and 24.

  2. greenwichmeantime.com › equinox-solstice-2021-2030Solstice and Equinox Dates 2021-2030 - World Time & Converters

    Mar 19, 2024 · Summer and Winter Solstice, Spring and Autumn Equinox Dates 2021-2030. Visualize the current position of the Sun relative to the seasons with the Astro Clock, a creative timepiece.

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  4. en.wikipedia.org › wiki › EquinoxEquinox - Wikipedia

    Usually, a satellite travels either north or south of the Earth's shadow because Earth's axis is not directly perpendicular to a line from the Earth to the Sun at other times. During the equinox, since geostationary satellites are situated above the Equator, they are in Earth's shadow for the longest duration all year.

  5. blogs.nasa.gov › Watch_the_Skies › 2021/03/19March Equinox Brings 2 Seasons: Spring, Autumn

    Mar 19, 2021 · The March equinox – also called the vernal equinox – is the beginning of the spring season in the Northern Hemisphere and autumn season in the Southern Hemisphere. It arrives on March 20, 2021, at 09:37 UTC (Coordinated Universal Time) or 4:37 a.m. CDT (Central Daylight Time).

  6. www.metoffice.gov.uk › weather › learn-aboutThe Equinox and Solstice - Met Office

    The Equinox in the Northern Hemisphere occurs twice a year around 20 March (the spring equinox) and around 22 September (the autumn equinox). They occur between the summer and winter...

  7. wxguys.ssec.wisc.edu › 2021/03/22 › spring-equinoxWhat should I know about the spring equinox? | The Weather Guys

    Mar 22, 2021 · This year the equinox arrived at 4:37 a.m. Saturday. The equinoxes (equi for “equal,” and nox “night”) occur when the sun’s rays strike the equator at noon at an angle of 90 degrees. During the spring and fall equinoxes, the sun is above the horizon for all locations on Earth for 12 hours.

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  9. earthsky.org › astronomy-essentials › equinox-trackEquinox fun: Track sun’s shift between now and the solstice

    Mar 19, 2024 · At 65 degrees north latitude (Fairbanks, Alaska; Siberia; Iceland), the sun also rises and sets close to due east and due west on the day of the equinox. But two weeks later, on April 4,...