Spring and Autumn/Fall, for the Northern Hemisphere spring equinox is around March 21st and Autumn/Fall Equinox is around September 21st and for the Southern Hemisphere its the exact opposite.
Spring
Spring
The vernal equinox marks the beginning of spring, on or around March 21st.
No.
no
The next equinox is the vernal equinox, which takes place on March 19th or 20th, depending on where you are located on the earth.
The September equinox can occur at any time from the 21st to the 24th of September.
The Equinox signifies the midpoint of the Earth's elliptical orbit around the Sun and when the warm growing season begins.
No i don't think so.
Spring
Another name for the season of Spring is the vernal equinox! :D
The "autumnal equinox" is a single point in time, not a period. In 2015, the autumnal equinox will happen at 08:20 (UT) on the 23rd September.