Northward equinox and southward equinox: names referring to the apparent direction of motion of the Sun. The northward equinox occurs in March when the Sun crosses the equator from …

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, …

Oct 5, 2024 · Occurring twice a year, around March 20th and September 23rd, they mark the moments when day and night are of nearly equal length across the globe.

Sep 4, 2024 · The equinox marks a significant astronomical event that occurs twice a year, signaling a moment of balance between day and night across the globe. It is when Earth’s tilt …

Oct 11, 2025 · Equinox, either of the 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 …

Sep 22, 2022 · The first day of the Northern Hemisphere's seasons correspond with the Earth's tilt toward or away from the sun.

Oct 19, 2023 · As its name suggests, an equinox indicates equally illuminated hemispheres, with the solar terminator equally dividing Earth from north to south. (The solar terminator is the …