Today is the spring equinox, aka the vernal equinox. It is the first official day of spring and it begins when the sun crosses directly over the earth’s equator. For 2017, the spring equinox occurs at 6:29 a.m. EDT in the northern hemisphere.
However, today is only the first day of the astronomical spring. The meteorological spring started on March 1. According to the Metro, “Meteorological seasons are based on the annual temperature cycle. As the meteorological calendar is split into four seasons of roughly the same length, it’s widely accepted that March 1 is the first day of spring.”
Contrary to popular belief, there’s nothing “magical” about this day. A common old wives’ tale is that you can balance an egg or a broom on its end during the spring equinox.
Here’s a video of an egg being balanced during a non-astrological event day:
Besides the four major astrological events, there’s also something called an “equilux,” which means “equal light” in Latin. The spring equilux occurs about four days before the spring equinox, which means it occurred on March 17. According to the Pine River Observatory, an equilux is “the day that has equal hours and minutes of sun above and below the horizon.”
Read more about the first day of Spring in Spanish at AhoraMismo.com: