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  • Equinox - Wikipedia
    Equinoxes are defined on any planet with a tilted rotational axis A dramatic example is Saturn, where the equinox places its ring system edge-on facing the Sun
  • Equinox | Definition, Dates, Facts | Britannica
    Equinox, either of the two moments in the year when the Sun is exactly above the Equator and day and night are of equal length; also, either of the two points in the sky where the ecliptic (the Sun’s annual pathway) and the celestial equator intersect
  • The Equinoxes and the Solstices - timeanddate. com
    The Equinoxes 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
  • Equinox – Definition, Facts, Dates - Science Notes and Projects
    Equinoxes happen twice each year, around March 20 and September 23 These dates vary slightly due to Earth’s elliptical orbit and leap years The equinox names reflect the seasons they herald in the Northern Hemisphere:
  • Solstices and Equinoxes [Dates and Times] - Equinox World
    Equinoxes and solstices are two of the most important celestial events on Earth The equinoxes occur around March 20 and September 22 each year, corresponding to an equal length of day and night The Earth tilts on its axis so that the sun shines directly over the equator on these days
  • What Are the Equinoxes and Why Do They Matter?
    The equinoxes are among the most significant celestial events in the Earth’s annual journey around the sun Occurring twice a year, around March 20th and September 23rd, they mark the moments when day and night are of nearly equal length across the globe
  • What is an equinox? | Space
    Twice a year, day and night are about the same length in both the Southern and Northern Hemispheres This phenomenon is called an equinox, which comes from the Latin words "aequus" (equal) and
  • Why the equinox ushers in the arrival of spring
    Every six months, the equinox splits Earth's day almost in half Here's how it happens—and why people have celebrated it since ancient times A flock of swans fly at sunrise on the first day of
  • Equinox 2025 Date, Time | When Is Equinox 2025 | When Are the Equinoxes . . .
    At these instants of time, the Sun is directly above the equator, and both hemispheres receive nearly equal amounts of sunlight This astronomical event is called an equinox The equinoxes mark the transition from winter to spring and from summer to fall
  • Equinox - Education | National Geographic Society
    The equinoxes are the only time when both the Northern and Southern Hemispheres experience roughly equal amounts of daytime and nighttime On Earth, there are two equinoxes every year: one around March 21 and another around September 22





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