holidays
Vernal equinox related observances (see also March 20)
Related Wikipedia articles
March equinox
When sun appears directly over equator
The March equinox or northward equinox is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox in the Northern Hemisphere…Source: Wikipedia (CC BY-SA)
March 20
Day of the year
March 20 is the 79th day of the year in the Gregorian calendar; 286 days remain until the end of the year.Source: Wikipedia (CC BY-SA)