Happy spring! The vernal equinox explained

Spring officially arrived at 6:28 Monday morning. The day is formally known as the vernal equinox. What is the vernal equinox? The word “equinox” means the point at which the sun crosses the Earth’s equator. The equinox results in a “nearly” equal amount of daylight and darkness almost everywhere on Earth.

Related: How Does a Discovery in Chile Suggest Possible Life on Mars?

On this day, the sun shines directly on the equator, This happens on March 19, 20 or 21 every year. In a year there are two equinoxes (spring and autumn) and two solstices (summer and winter).q

Originally published at SocialUnderground.