When is the spring equinox? At precisely 5:01 a.m. ET on Thursday, the sun's rays fall directly on the equator, marking the first official day of spring.

At precisely 5:01 a.m. ET on Thursday, the sun's rays fall directly on the equator, marking the first official day of spring. Meteorologists consider March 1 the start of spring.

Spring equinox has begun, but what is it exactly? by: The Associated Press Posted: Mar 20, 2025 / 02:23 PM EDT Updated: Mar 20, 2025 / 02:23 PM EDT Spring is almost here — officially, at least.

FILE – Visitors hold their hands out to receive the sun’s energy as they celebrate the Spring equinox atop the Pyramid of the Sun in Teotihuacan, Mexico, Thursday, March 21, 2019.

ORLANDO, Fla. – Spring has officially arrived! The vernal equinox arrived on March 20, marking the start of the season for the Northern Hemisphere. But what does that really mean? Let’s break ...

FILE – Visitors hold their hands out to receive the sun’s energy as they celebrate the Spring equinox atop the Pyramid of the Sun in Teotihuacan, Mexico, Thursday, March 21, 2019.

Spring equinox has begun, but what is it exactly? by: The Associated Press Posted: Mar 20, 2025 / 02:17 PM EDT Updated: Mar 20, 2025 / 02:26 PM EDT Spring is almost here — officially, at least.

Spring equinox has begun, but what is it exactly? by: The Associated Press Posted: Mar 20, 2025 / 02:56 PM EDT Updated: Mar 20, 2025 / 02:56 PM EDT Spring is almost here — officially, at least.

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.