Light Of Day 2024. 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. Here's a look at when the time changes this year, and what is the purpose of daylight saving time in the first place.
The international day of light is an annual, global initiative celebrating light and the role it plays in science, culture and art, education, and sustainable development. The day is observed by the united nations.