International Day of Light

When

May 17, 2026    
10:00 am - 5:00 pm

Where

Flandrau Science Center
1601 E. University Blvd., Tucson, AZ

Event Type

Map Unavailable

Free planetarium programs

Free science exhibit admission

Free optics activities for families, teachers, and science enthusiasts of all ages!


Join us Sunday, May 17 at Flandrau Science Center & Planetarium for free planetarium programs for all ages! First come, first seated!

Optics and photonics are the science and engineering of light used by everyone, everywhere, every day. This free, family-friendly STEM event, presented by Optics Valley, offers a captivating experience for all ages. Mark your calendars and get ready to explore the wonders of light with us!