The March equinox[1][2] or northward equinox[3] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading …

Dec 4, 2025 · What Is the Spring Equinox? In the Northern Hemisphere, the spring equinox (also called the March equinox or vernal equinox across the globe) occurs when the Sun crosses …

The astronomical definition is based on the equinoxes and solstices, and spring begins with the spring equinox or vernal equinox. In the Northern Hemisphere, it is the equinox in March; …

Mar 19, 2025 · Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in …

Astronomical Seasons, Spring, Summer, Fall / Autumn, Winter, Equinox, Solstice

Mar 15, 2017 · The vernal equinox takes place in March each year and signals the start of spring in the Northern Hemisphere.

Mar 20, 2025 · Here's everything you need to know about the spring equinox, including when it occurs in 2025, what it is, what it means and why we celebrate it.

Therefore, the equinox in March is referred to as the Spring Equinox even though Fall is happening in the southern hemisphere. The page on Variation in Times of Perihelion and …

Mar 15, 2025 · Also known as the vernal equinox, the spring equinox marks one of the two instances each year when our sun and the Earth’s equator align. The spring equinox always …

Mar 20, 2025 · The spring equinox marks the astronomical beginning of spring in the Northern Hemisphere. The balance of daylight shifts, marking the start of warmer, longer days.