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March 20, 2025
- The sun crosses the celestial equator – a line directly above Earth’s equator – at 9:02 UTC on March 20, 2025 (4:02 p.m. CDT).
earthsky.org/astronomy-essentials/everything-you-need-to-know-vernal-or-spring-equinox/
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The sun crosses the celestial equator – a line directly above Earth’s equator – at 9:02 UTC on March 20, 2025 (4:02 p.m. CDT).
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.
Sun Crosses Celestial Equator. The March equinox is the moment the Sun crosses the celestial equator —an imaginary line in the sky above Earth’s equator— from south to north. This happens on March 19, 20, or 21 every year. 10 facts about the March equinox.
At the September equinox, the sun is moving from north to south as it crosses above the equator. It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.
Sep 20, 2024 · 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.
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. [a]
Sep 18, 2024 · The equinox is on September 22, 2024. At the equinoxes, the ecliptic and the celestial equator intersect. See the intersection point on this imaginary great circle, representing the dome of...
