INTERNATIONAL DAY OF LIGHT
16 MAY

January 28, 2020

Pale Blue Dot: Astronomy for Global Citizenship and Environmental Awareness is an IAU100 global project that celebrates the 30th anniversary of the iconic image.

November 28, 2019

Learn how to make the most of the International Day of Light resources for your activities in 2020!

November 07, 2019

The organizers of this event want to give special emphasis to Light, Vision and Visual Health.

October 22, 2019

IDL Recognizes Success in 2019 and Prepares for Bigger Celebrations in 2020

May 16, 2019

May 16th 2019 marks the global celebration of the second edition of the International Day of Light.  The International Day of Light is an official observance of UNESCO  that provides an annual focal point for the continued appreciation of light and the role it plays in science, culture and art, education, and sustainable development, and in fields as diverse as medicine, communications, and energy. 

May 09, 2019

On May 11th, the IDL2019 Special Event — ‘Light+?’ — initiated by China Optical Society, will launch its opening ceremony in Changchun China Optical Science and Technology Museum.

May 06, 2019

Light Painting World Alliance proudly presents massive international light art project OMNIA LUCE, dedicated to International Day Of Light by UNESCO and also International Light Painting Day.

May 02, 2019

On 16 May 2019, people around the world will celebrate the central role that light plays in the lives of the citizens of the world in areas of science, culture and art, education, sustainable development, and in fields as diverse as medicine, communications and energy by creating their own events. While taking part in a global celebration may seem intimidating, it is actually very easy to create an event.

April 23, 2019

The 2019 International Day of Light (IDL) on 16 May is less than one month away and people worldwide are getting ready to celebrate. To date, over 200 events have officially registered to participate in the global event in 54 countries worldwide. 

February 27, 2019

In 2019, the International Astronomical Union (IAU) is celebrating its 100th anniversary. One of the IAU100 Global projects, the Dark Skies for All initiative, aims to raise awareness of the preservation of quiet and dark skies.

February 14, 2019

Marking the milestone of their 100th Global Voyage, Peace Boat, a Japan-based non-governmental organization, is partnering with Liter of Light (1LL) to bring solar lights around the world. 

February 06, 2019

The organizers of the International Day of Light conference at the UNESCO Category 1 Institute ICTP in Trieste on 16 May 2019 are delighted to announce the first speakers of what will be a rich and exciting programme.  

October 26, 2018

Under the leadership of UNESCO, the first International Day of Light was celebrated on the 16 May 2018.  Over 640 events took place worldwide in more than 80 countries, kicked off by a spectacular inauguration at UNESCO headquarters in Paris. 

On 16 May 2018 the first International Day of Light celebrated the vital role of light and related technologies in science, culture and art, education and sustainable development. More than 600 events were held in 87 countries reaching hundreds of thousands of people, and a spectacular afternoon and evening celebration was also held at UNESCO headquarters in Paris, France.

Check the IDL2018 Official Video.

The International Astronomical Union Network for Astronomy School Education (IAU-NASE) will celebrate the International Day of Light by encouraging people worldwide to perform William Herschel’s historic experiment that turned out on the discovery of infrared light.