where is the the summer equinox
In the southern hemisphere: MARCH 20 (the Sun crosses the Equator moving northward). SPRING EQUINOX: The first day of the Season of Spring-and the beginning of a long period of sunlight at the Pole. In the northern hemisphere: MARCH 20 (the Sun crosses the Equator moving northward). In the southern hemisphere: SEPTEMBER 22 (the Sun crosses the Equator moving southward).