The Summer Solstice is an annual astronomical phenomenon that brings the longest day of the year and the first day of summer in the Northern Hemisphere. The solstice was an important cultural event in many ancient societies, and it remains one for some contemporary groups. The 2020 Summer Solstice will occur in the Northern Hemisphere on June 20th, also marking the beginning of winter for those in the Southern Hemisphere. 

These sunny activities are perfect for celebrating the longest day of the year or brightening up any summer day!


  1. Visit Nature at the Confluence to pick up your own sunflower seeds, and participate in the Sunzilla Sunflower Growing Challenge. 
  2. Find out how to make a sunflower house from Klehm Arboretum.
  3. Enjoy the sunset or sunrise at a park or forest preserve, or tune in to watch it live at Stonehedge on June 20th.
  4. Teach your children about solar power, and look around your neighborhood for houses or businesses that have solar panels. 
  5. Check out the sundial located in the outdoor gardens of Nicholas Conservatory to see if you can tell time using the sun instead of a clock. 
  6. Learn about Spring and Summer flowers by watching Wildflower Walkabouts, created by Severson Dells Nature Center and the Natural Land Institute.


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