Original: Therefore, in meteorology for the Northern hemisphere, spring begins on 1 March, summer on 1 June, autumn on 1 September, and winter on 1 December.
Simplified: In Denmark, spring begins on March 1, summer on June 1, autumn on September 1 and winter on December 1. In Australia, summer begins on December 1, autumn on March 1, winter on June 1, and spring on September 1.