International Day of Light

Quick Facts - US

ℹ HashtagsCompiled on05:13	#LightDay2022, #InternationalDayOfLight, #DayofLight
Related Hashtags	#IDL2022, #Photonics, #SPIE
2023 Date	May 16, 2023
2024 Date	May 16, 2024

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International Day of Light in 2023

Tuesday, May 16

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International Day of Light History

International Day of Light seeks to raise awareness about light and the role it plays in science, art, and education. Light is a vital resource that sustains every living creature on Earth. This day aims to highlight how important light is within science and technology. It aims to highlight the importance of light science and its many applications.

International Day of Light was established in 2017 by UNESCO. It is observed annually on May 16th, a date that serves as the anniversary of the first successful operation of a laser in 1960 by physicist Theodore Maiman.

Top Tweets for International Day of Light -

Updated 05:13

In a darkening world, the future depends on light. Celebrate #LightDay2022 with the International Day of Light trailer - https://t.co/x8oOMSVeYg @IEEEPhotonics @SPIEtweets @IDLofficial #IDL2022 https://t.co/Dt2cGdJONz
— Optica (@OpticaWorldwide) May 16, 2022

Happy International Day of Light! The IES celebrates light today and every day. In honor of the International Day of Light, celebrated on May 16th, join the IES this week using the code IDL2022 and save 16% on a new IES individual membership. #LightDay2022 #TheIES #IDL2022 https://t.co/gnkSSRQAEG
— Illuminating Engineering Society (@The_IES) May 16, 2022

I'm proud to sponsor a bipartisan resolution with my colleague @RepBrianMast to recognize May 16 as the National Day of Light. It's a great day to highlight the use of light-based technologies already driving scientific advancements, medical treatments, and more. #LightDay2022 https://t.co/JUTauAbZqr
— Joe Morelle (@RepJoeMorelle) May 16, 2022

International Day of Light Facts

Light travels in a straight line. If objects are in its path, they will cause the light to bend or refract.
The speed of light is 186,282 miles or 299,792 km per second.
According to facts.net, it takes over 8 minutes for light from the sun to reach earth.
According to thechocolatestore, chocolate manufacturers in the US use about 3.5 million pounds of whole milk every day to make chocolate.

In the News and Trending for International Day of Light

Updated 05:13 Celebrating International Day of Light 2022

acs.org

gLoBaL ERG - International Day of Light: Illuminate

lbl.gov

Ramon Pascual’s #My1stLight on International Day of Light!

lightsources.org

Action-Packed Trailer Kicks Off International Day of Light 2022

photonics.com

International Day of Light Top Events and Things to Do

Discover events near you. UNESCO hosts activities and events for people of all ages and backgrounds. They participate globally so that everyone around the world can gain an appreciation for the central role of light in science and culture.
Stay informed about upcoming news. UNESCO periodically releases news about scientific progress involving light technology.
Check out the International Day of Light video if you missed it. It addresses how light science and technology can provide solutions to global challenges.