Spring Equinox: Beginning of Spring

Spring Equinox

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The spring equinox marks the start of spring in the Northern Hemisphere on March 19 at 11:06 p.m. EDT. It’s one of two equinoxes yearly, with equal day and night. While meteorological spring started on March 1, astronomical spring aligns with Earth’s orbit around the sun. In the Southern Hemisphere, fall begins as spring starts up north. Various traditions accompany the equinox, including the Iranian New Year, Nowruz. The next solstice occurs on June 20, marking the start of summer, while autumn begins on September 22. Winter starts on December 21.