While the season you’re in depends on the hemisphere, the start and end dates are the same.
- Northern Hemisphere Spring & Southern Hemisphere Fall: March 20 – June 19
- Northern Hemisphere Summer & Southern Hemisphere Winter: June 20 – September 21
- Northern Hemisphere Fall & Southern Hemisphere Spring: September 22 – December 20
- Northern Hemisphere Winter & Southern Hemisphere Summer: December 21 – March 19