International Day Of Light 2024 Theme. The best way to navigate is to scroll down and browse the posts by month or search by keyword. On this day we celebrate careers in optics and photonics.

The international day of light is celebrated on 16 may each year, the anniversary of the first successful operation of the laser in 1960 by physicist and engineer, theodore maiman. Through the efforts of unesco, the international day of light (idl) inspires events and activities taking place on 16 may around the world, each raising awareness associated with this theme.