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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
  • 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 A solstice is the day when the sun is at its highest or lowest point in the sky
  • 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
  • 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
  • Solstices and Equinoxes in Seattle for 2024 year
    When the solstices and equinoxes are in Seattle (Washington, United States), 2024–2031 year What is the beginning of the astronomical seasons: spring, autumn, summer, winter On the day of the spring (March) equinox, the sun crosses the celestial equator, moving along the ecliptic On this date, the day is equal in length to the night
  • 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:
  • 2025 Solstice and Equinox dates - Greater Seattle on the Cheap
    There are two equinoxes every year, in spring (March) and autumn (September) 2025 Solstice and Equinox dates Exact date and time of each solstice and equinox depends on your geographic location Listed below are the dates and times for the seasonal solstices and equinoxes in Seattle
  • 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
  • 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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