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  • The Equinoxes and the Solstices - 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
  • Equinox - Wikipedia
    On the day of the equinox, the Sun appears to rise directly east and set directly west This occurs twice each year, around 20 March and 23 September [a] An equinox is equivalently defined as the time when the plane of Earth's equator passes through the geometric center of the Sun's disk
  • 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:
  • Equinoxes and Solstices in United States 2025 - Sunrise and Sunset Time
    An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length The vernal equinox marks the beginning of astronomical spring, while the autumnal equinox marks the beginning of autumn
  • The summer solstice arrives, marking the longest day of the year | AP News
    The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year Its fall – or autumnal — equinox can land between Sept 21 and 24 On the equator, the sun will be directly overhead at noon Equinoxes are the only time when both the north and south poles are lit by sunshine at the same time
  • 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
  • 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
  • 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
  • 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
  • Equinox 2025: What Is an Equinox? - Star Walk
    Equinox 2025: What Is an Equinox? The equinox is almost here — it will occur on March 20! In the Northern Hemisphere, this day signals the long-awaited end of winter, while in the Southern Hemisphere, it marks the arrival of autumn But what exactly is an equinox, how is it connected with the seasons, and when will the next equinox occur?





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