Equinox - Wikipedia
WEBAn equinox is when the Sun crosses the Earth's equator and day and night are of equal length. The March equinox is the vernal or spring equinox in the Northern Hemisphere and the autumnal or fall equinox in the Southern Hemisphere.
Equinox Definition & Meaning - Merriam-Webster
WEBAn equinox is a time of the year when day and night are of equal length, or a point on the celestial sphere where the sun crosses the equator. Learn more about the word history, examples, and related articles of equinox from Merriam-Webster dictionary.
What Is the Equinox? And What Is the Solstice? - timeanddate.com
WEBLearn how Earth's tilt and orbit around the Sun cause equinoxes and solstices, the two moments each year when day and night are equal or longest. Find out when and where they occur, and how they differ from seasonal changes on other planets.
EQUINOX Definition & Meaning | Dictionary.com
WEBAn equinox is the time when the sun crosses the plane of the earth's equator, making day and night of approximately equal length. Learn about the two types of equinoxes, their dates, their history, and their examples.
Equinox | Definition, Dates, & Facts | Britannica
WEBAug 23, 2024 · An equinox is a moment when the Sun is exactly above the Equator and day and night are of equal length. Learn about the two equinoxes in the year, their dates, and how they relate to the seasons and the celestial sphere.
EQUINOX | English meaning - Cambridge Dictionary
WEBAn equinox is when the sun is directly above the Equator and day and night are about the same length. Learn more about the spring and autumn equinoxes, their dates, and …
Equinox - National Geographic Society
WEBOct 19, 2023 · An equinox is when the sun is directly above the Equator, creating equal day and night on Earth. Learn about the science, history, and culture of the equinoxes, and how they affect different regions and planets.
What Does Equinox Mean? - Merriam-Webster
WEBEquinox comes from Latin words meaning "equal night" and refers to the day when day and night are of equal length. Learn how ancient astronomers used the equinox as a celestial reference point and how it relates to the seasons and the stars.
EQUINOX | definition in the Cambridge English Dictionary
WEBAn equinox is when the sun is directly above the equator and day and night are about the same length. Learn more about the spring and autumn equinoxes, their dates, and …
Equinox Definition & Meaning | Britannica Dictionary
WEBAn equinox is a day when day and night are the same length. Learn about the two equinoxes in the year, the spring and autumn equinoxes, and how they compare to solstices.