0 Britannica Login Search Britannica Itertainment & Pop Culture Geography & Travel rch 20, 2022 rst Day of Spring 5s that hot beverage; away YOur sweaters, and bring the sandals. Spring officially starts on March 20 with arrival of the veral equinox in the Northern misphere: This means longer days, warmer weather; wing plants; and animals The Transition from Winter Cold put mating