5 facts about Spring equinox March 20th is the date for the Spring equinox. The Spring equinox is also known as the vernal equinox. It marks the first day of spring in the northern hemisphere. It marks the first day of spring in the northern hemisphere. The Spring equinox occurs when the sun crosses the celestial equator, heading northward. This day is celebrated as a time of renewal and new beginnings. Here are five facts about the Spring equinox: #springequinox #spring #ostara #equinox
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