It's time to say goodbye to winter - at least in the Northern Hemisphere.
On Monday (March 20) at 5:24 p.m. EDT (2:24 p.m. PDT) the spring (or vernal) equinox occurred. At that moment, the sun comes to one of two places where its rays shine directly down on the equator. It will then be shining equally on both halves of the Earth. More precisely at that moment, the sun will be shining directly down on the equator at a point over the Pacific Ocean, roughly 1,900 miles (3,100 km) southeast of the Hawaiian Islands.