Spring Equinox: Definition Facts And Date
Spring Equinox occurs on March 21. Spring is the transition period between winter and summer. Along with the progress of spring season, the days are also enlarged than the previous ones. At the time of spring equinox, the sun crosses over the equator of earth and it has a northern movement on the northern hemisphere. The moment of spring equinox is determined by the density of light and not by the duration of its beginning and ending. Sometimes, it is also termed as vernal equinox.