Generally, September 22.
We call it Fall or Autumn....I call it Fall/Autumn, it doesn't matter to me...
Spring
Autumn.
In North America, fall is mostly called fall, and sometimes autumn.
When it is fall (autumn) in southern latitudes it is spring in northern latitudes.
In North America, it occurs from September to November. In South America, it occurs from March to May.
panama is where north America ends and Columbia is where south America begins.
It never did begin
North America, South America and Europe
Australia is south of the equator, so seasons are reversed from those in North America. Summer in America is winter in Australia. Spring in Australia is autumn in America.
The first day of Autumn/Fall is September 22nd.
Europe, North America and South America are continents. They do not begin with the letter A.