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In the Northern Hemisphere, the March equinox is also known as the spring or vernal equinox; the September equinox can be called the fall or autumnal equinox. In the Southern Hemisphere, the names are the other way around. On the date of the equinox, at any location, the lengths of day and night are roughly equal.
Equinox. A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September.
Jun 22, 2024 · Find out when the equinoxes and solstices occur each year from 2017 to 2036. See the exact dates and times in Coordinated Universal Time (UTC) for each celestial event.
Learn the basic concept of equinox and solstice and how they are related to the tilt of the earth's axis and its orbit around the sun. Find out the dates of equinoxes and solstices in a year and their effects on day and night lengths.
May 31, 2024 · Learn about the two equinoxes that mark the beginning of spring and autumn in the Northern Hemisphere, and how they are related to the Sun's path and the celestial equator. Find out the dates of the equinoxes and the precession of the equinoxes.
- The Editors of Encyclopaedia Britannica
Oct 19, 2023 · Learn what an equinox is, how it affects Earth's seasons and daylight, and how it is celebrated in different cultures. Find out when the next equinoxes are and how they vary across the planet.
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Find out the dates and times of spring, summer, fall and winter seasons for Roanoke Rapids, North Carolina, based on astronomical calculations. See the vernal and autumnal equinoxes and the summer and winter solstices for the next 10 years.
