March is the third month of the year with 31 days. It marks the beginning of spring in the Northern Hemisphere (around March 20) and the start of autumn in the Southern Hemisphere. St. Patrick's Day falls on March 17.
The spring equinox in the Northern Hemisphere falls around March 20 or 21 each year.
March has 31 days.
St. Patrick's Day (Mar 17), International Women's Day (Mar 8), and the spring equinox.