The March equinox [7] [8] or northward equinox [9] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth.

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. Equinox Local Time & Date

Many cultures claim March 21 as the date of the March equinox. In reality, the equinox can happen on March 19, 20, or 21. Spring or March equinox? The March equinox is the vernal (spring) equinox in the Northern Hemisphere, but the …

Bottom line: Happy equinox! The 2025 March equinox falls March 20 at 9:01 UTC. So many parts of the world will see the equinox arrive on March 19. All you need to know here.

Contrary to popular wisdom, the March equinox can take place on March 19, 20 or 21. In the 21st century, the March equinox has only occurred twice on March 21—2003 and 2007. A March 19 equinox will be more frequent during the last decades of the century.

Mar 17, 2024 · When the vernal equinox takes place on Tuesday evening in the U.S., it will already be March 20 for most of the world. A March 21 equinox won't occur on the continental U.S. during the...

Jan 15, 2025 · Astronomically speaking, the first day of spring is marked by the spring equinox, which falls on March 19, 20, or 21. The equinox happens at the exact moment worldwide, although our clock times reflect a different time zone.

Dec 11, 2024 · In the Northern Hemisphere the vernal equinox falls about March 20 or 21, as the Sun crosses the celestial equator going north.

Nov 28, 2024 · It is said that March 21 st was selected as the ecclesiastical vernal equinox because the Church of Alexandria, whose staff were reputed to have astronomical expertise, reckoned that March 21 st was the date of the equinox …

When the solstices and equinoxes are in Tempe (Arizona, 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.