Another way to tell is by following the spring equinox, which is a more scientific way of measuring the first day of spring. In the Northern Hemisphere, the first day of spring is called the ...

The official start of the season, also known as the spring equinox or vernal equinox, is Tuesday, March 20 at 12:15PM. The event, which always falls on either March 20 or 21, marks one of the two ...