Northern Hemisphere | Range | Southern Hemisphere | Range |
Spring | March 1-May 31 | Spring | Sept 1-Nov 30 |
Summer | Jun 1-Aug 31 | Summer | Dec 1-Feb 28 |
Fall | Sept 1-Nov 30 | Fall | March 1-May 30 |
Winter | Dec 1-Feb 28 | Winter | Jun 1-Aug 31 |