2026 International Day of Light Celebration

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2026 International Day of Light Celebration

When

May 17, 2026, 10 a.m. – 5 p.m.

Free planetarium programs for all ages! First come, first seated! No Registration Required!

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!

Program:
10:00am – 5:00pm:  Fun with Optics!
Explore basic optics principles with local experts and enthusiasts at the free, hands-on activity tables inside Flandrau. Plus venture through the new exhibit set to open May 1 at Flandrau! More to come…

10:00 am:  Three Full-Dome Shows – To Be Announced
Seating is limited to first come, first seated.


Want to help spread the love of optics and photonics? The Wyant College of Optical Sciences is looking for volunteers for the International Day of Light celebration. We'll have a wide range of optics demos, and there will be several planetarium shows throughout the day. Please reach out to the OSC Optics for All club if you are interested in volunteering! OPSCI-opticsforall@arizona.edu