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March 20, 2026 Spring Equinox

March 20, 2026 Spring Equinox

It’s officially spring the Northern Hemisphere! Curious about the equinox? 

  • Why does the Sun rise due east and set due west?
  • Why are day and night equal in length on the equinoxes?
  • What happens in the Southern Hemisphere?
  • What are some of the most beautiful constellations in spring skies?


Join us under the Dome for our popular talk series Colorado Skies on March 21 at 7pm. We'll answer all your questions and fill your soul with a sense of awe! 

Margenta spring hyacinths