It is a global event to appreciate light and its role in science, culture and art, education, and sustainable development.
Arizona is home to world-class optics and photonics businesses and institutions with decades of innovation in the science of light and the many industries that apply it: astronomy, biomedicine, communications, sensors, defense and security, manufacturing, electronics, energy, and imaging.
Started by the United Nations Educational, Scientific, and Cultural Organization, the International Day of Light allows people around the world to celebrate and demonstrate how science, technology, art and culture can help achieve the goals of UNESCO – education, equality, and peace.
The May 16, 2020, event in Tucson has been postponed due to COVID-19. We’ll announce new event information in the future. In the meantime, we invite you to celebrate and share the science and technology of light from your home: