Spring Equinox 2019 date: When is the Spring Equinox? What does the Equinox mean? THE Spring Equinox is a key seasonal marker in Earth’s orbit around the Sun. So exactly when is the 2019 Spring Equinox and what does it mean? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Oliver Smithies, Tinkerer Who Transformed Genetics and Won a Nobel, Dies at 91Parkinson’s ‘game changer’ – New research says it starts in the gut and NOT the brainTrilobites: Why Killer Whales Go Through MenopauseParkinson’s ‘game changer’ – New research says it starts in the gut and NOT the brainSKY TO LIGHT UP: Biggest astronomical event in years coming as STAR set to EXPLODEBlack hole at centre of galaxy spitting out PLANET-sized objects towards Earth