20-03-2018- Spring Equinox's Arrival
Equinox 2018 will be at 9:45 PM on Tuesday, 20 March. WHAT? The March equinox or spring equinox is the equinox on the Earth when the sub solar point appears to leave the southern hemisphere and cross the celestial equator, heading northward as seen from Earth. In the Northern Hemisphere the March equinox is known as the vernal equinox , and in the Southern Hemisphere as the autumnal equinox . The March equinox may be taken to mark the beginning of spring and the end of winter in the Northern Hemisphere but marks the beginning of autumn and the end of summer in the Southern Hemisphere WHEN? This date is when day and night are around the same length, each lasting around 12 hours. It usually takes place on 19, 20 or 21 March every year. In the southern hemisphere, the opposite occurs, as autumn begins at the same time. Spring starts in September south of the equat...