Come March 19, we will have a change of the seasons: the occurrence of the vernal equinox, marking the official start of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.
The 2020 vernal equinox will bring the earliest spring to the US in 124 years
SPACE.com - 17 Mar 2020 17:20
Come March 19, we will have a change of the seasons: the occurrence of the vernal equinox, marking the official start of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.
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