Spring begins on the March or vernal equinox, which is when the amount of sunshine is approximately 12 hours long. The amount of sunlight will incrementally increase until the first day of Summer.
The vernal equinox marks the moment the Sun crosses the celestial equator. This is the imaginary line in the sky above the Earth’s equator, from south to north. This happens on March 19, 20 or 21 every year in the Northern Hemisphere. In the Southern Hemisphere, this same event marks the beginning of fall. Meteorologists actually mark the spring from March 1 through May 31st.
In 2016, spring arrived a little earlier due to it being a leap year. On Leap Day, there’s a little math lesson regarding the Gregorian calendar. To keep our calendar following the seasons so that spring happens when flowers grow and winter arrives when snow falls, an additional day was figured into years divisible by the number four. This has caused the 2016 spring to occur earlier than any living human being alive had ever seen. Before 2016, the earliest spring on record took place in 1896.
For more information visit almanac.com.
HOW TO OBSERVE
Get ready for longer days and increased sunshine. Tune up the lawn mower. More sunshine means the grass will be growing. Use #SpringBegins to post on social media.
Human beings have been following the sun and creating a calendar based on seasons since the beginning of time.
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