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- DictionarySpring e·qui·nox/ˌspriNG ˈekwəˌnäks/
noun
- 1. another term for vernal equinox
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When is the spring equinox?
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Mar 15, 2017 · The spring equinox brings nearly equal amounts of daylight and darkness. Falling in March, it marks the start of spring in the Northern Hemisphere.
Mar 20, 2017 · In the northern hemisphere, the spring, or vernal equinox happens around March 21, when the sun moves north across the celestial equator. The autumnal equinox occurs around September 22nd, when the sun crosses the celestial equator going south.
Mar 19, 2024 · Spring is here — officially, at least. The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere. READ MORE: How springing forward to daylight...
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.
spring. March. September. vernal equinox, 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 Editors of Encyclopaedia Britannica
Mar 19, 2024 · The vernal equinox, marking the beginning of spring in the Northern Hemisphere, occurs about March 21, when the Sun moves north across the celestial equator. The autumnal equinox falls about September 23, as the Sun crosses the celestial equator going south.
Mar 19, 2022 · In 2024, the spring equinox occurs at 11:06 p.m. EDT on March 19 (03:06 UTC on March 20) in the Northern Hemisphere. The autumn, or fall, equinox will happen at 8:43 a.m. EDT (12:43...
