Here’s what you need to know for the start of spring. The spring season roughly starts on the Vernal Equinox on March 19-21.

This system is mainly used by meteorologists. The spring, or vernal, equinox occurs March 19 at 11:06 p.m. ET. This equinox happens when the sun crosses the celestial equator, an imaginary line ...

As the end of the year nears, so does the winter solstice. Days are getting shorter and shorter by seconds ... During the year, there are two solstices and two equinoxes that occur. There is an ...

The solstice occurs at the same time everywhere on Earth, this year it happens Dec. 21 at 4:21 a.m. EST. For the Northern Hemisphere, it marks the astronomical start of winter because the North Pole ...

Throughout the year, Earth experiences two solar equinoxes and two solstices. The equinoxes occur in spring and fall, while the solstices fall in summer and winter. An equinox is when the northern and ...

An equal night and equal day will occur for both hemispheres ... in winter those points are closer to the south. Only at an equinox does the Sun rises due east and set due west, which can have ...

However, totality occurs occasionally on the date of the equinox itself. It last happened in 2015, when an eclipsed sun was seen in clear skies from Svalbard—one of the world’s cloudiest places.