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News Archive

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Online Success for the 2020 Day of Light

August 03, 2020

Although the planned celebrations for the 2020 Day of Light were impacted significantly by the global pandemic, many individuals and organizations were able to reorganize to move activities and events online.  Click the image to learn more.

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Early Years of the Laser in Switzerland

June 09, 2020

The Swiss scientific and industry communities have prepared a report to record the development and milestones in laser science from 1960 to 1980 in Switzerland. Click the image to learn more.

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Illuminating Life Online Event

May 26, 2020

Due to the impacts of the COVID-19 pandemic, various IDL2020 events adopted online formats and virtual celebrations around 16 May to celebrate the role of light in our daily lives. This includes the interactive Illuminating Life online gathering. Click the image to learn more.

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Announcement of 2020 Daylight Award Laureates

May 16, 2020

On the occasion of the 2020 International Day of Light, the Daylight Award has announced the 2020. Click the image to learn more.

New Materials Published for #SEETHELIGHT and IDL2020

May 13, 2020

The International Day of Light Secretariat is delighted to share a variety of new resources and materials that are now available to the IDL community and partners. Click the image to learn more.

Celebrate the International Day of Light 2020 from your home!

April 16, 2020

In these challenging times, let’s come together to share the role of light in our lives! We are excited to announce two new initiatives for IDL2020. Click the image to learn more.

The International Day of Light and COVID-19

March 17, 2020

Updates for the 2020 International Day of Light in view of the ongoing COVID-19 concerns. Click the image to learn more.

Celebrate the 60th Anniversary of the Laser in 2020!

March 05, 2020

Discover how the 60th anniversary of the laser is being celebrated this year as part of IDL2020 and how you can participate! Click the image to learn more.

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A Spec of Light in the Cosmos: Celebrate the 30th Anniversary of the Pale Blue Dot Image

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.

 Click the image to learn more.

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Making use of IDL Resources 

November 28, 2019

Learn how to make the most of the International Day of Light resources for your activities in 2020.  Click the image to learn more.

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Terrassa to hold the 2020 Central IDL Event in Spain 

November 7, 2019

The organizers of this year's event in Spain want to give special emphasis to Light, Vision and Visual Health..  Click the image to learn more.

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Launch of the 2020 International Day of Light

October 22, 2019

IDL Recognizes Success in 2019 and Prepares for Bigger Celebrations in 2020. Click the image to learn more.

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The World Celebrates the Second International Day of Light in 2019 

May 16, 2019

May 16th 2019 marks the global celebration of the second edition of the International Day of Light. Click the image to learn more.

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Light+? in Changchun China 

May 9, 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. Click the image to learn more.

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Light Painting World Alliance Presents OMNIA LUCE

May 6, 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. Click the image to learn more.

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A Quick Guide to Organising an Event for the 2019 International Day of Light

May 2, 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. Click the image to learn more.

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Excitment Grows for the 2019 International Day of Light

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. Click the image to learn more.

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IAU celebrates its 100th anniversary with Dark Skies for All

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 Click the image to learn more.

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Partners in Sustainable Development: Liter of Light Joins Peace Boat’s 100th Voyage

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. Click the image to learn more.

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First Speakers announced for UNESCO-ICTP Illuminating Education Conference

February 6, 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.  Click the image to learn more.

First Plans Announced for UNESCO International Day of Light 2019

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, and they have set the scene for even more engagement during 2019.  Click the image to learn more.

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International Day of Light sees Worldwide Success

May 21, 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.  Click the image to learn more.

International Day of Light Video

April 4, 2018

Check out the IDL2018 video!  Click the image to learn more.

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International Day of Light activity: Discovery of the Infrared

February 22, 2018

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. Click the image to learn more.

IDL Logo is Now Available in 33 Languages

February 14, 2018

The International Day of Light logo is now available in multiple languages.  Click the image to learn more.

Quick guide to organize IDL2018 events

February 13, 2018

While taking part in a global celebration may seem intimidating, it is actually very easy to create an event. Here are suggestions to organize an IDL 2018 event.  Click the image to learn more.

Physics Students Worldwide volunteer for International Day of Light

February 6, 2018

The International Association of Physics Students (IAPS) is going to contribute to the UNESCO International Day of Light, organizing new activities and participating with a delegation of volunteers to the IDL Flagship event at UNESCO headquarters in Paris, France..  Click the image to learn more.

International Day of Light January 2018 Newsletter

January 30, 2018

Involve UNESCO Associated Schools in your IDL events, new Resources and More.  Click the image to learn more.

Involve the UNESCO Associated Schools Network in your International Day of Light Event

January 24, 2018

Involve UNESCO Associated Schools Network in your IDL event.  Click the image to learn more.

CLEO to host International Day of Light Speaker: Nobel Laureate John C. Mather

January 24, 2018

To celebrate the International Day of Light, Nobel Laureate John Mather will give a plenary presentation, entitled, “Exploring the Universe at the Speed of Light,” at CLEO on 16 May 2018. Click the image to learn more. 

SPIE Announces Digital Resources in Support of the International Day of Light

January 24, 2018

SPIE has developed digital resources to share with the global photonics community in support of the International Day of Light. Click the image to learn more. 

First plans announced for International Day of Light inauguration at UNESCO HQ

December 27, 2017

UNESCO will inaugurate the first International Day of Light at their headquarters in Paris, France on 16 May 2018. Click the image to learn more. 

OSA to distribute Optics Suitcases in support of International Day of Light

December 6, 2017

The Optical Society (OSA) and the OSA Foundation will Distribute 150 Special Edition International Day of Light Optics Suitcases to Student Chapters and Local Sections. Click the image to learn more. 

SPIE Announces 2017 SPIE-IDL Photo Contest Winners

November 21, 2017

Photographers from India, Slovakia, and Chinese Taipei were named winners of the 2017 SPIE photo contest, from more than 950 entries depicting the world of light theme. Click the image to learn more. 

UNESCO General Conference proclaims the International Day of Light

November 13, 2017

The 39th Session of the UNESCO General Conference has today proclaimed the date of May 16th as the International Day of Light. Click the image to learn more. 

International Day of Light October Newsletter

October 16, 2017

Register your International Day of Light 2018 Events, Sponsorship opportunities and More. Click the image to learn more. 

International Day of Light September Newsletter

September 6, 2017

Welcome to the first edition of the International Day of Light Newsletter! We will be sending these short communications regularly to provide the latest information about how you can get involved. Click the image to learn more. 

Press Release. Planning begins for the first International Day of Light

May 31, 2017

Following the highly successful International Year of Light and Light-based Technologies 2015, the Executive Board of UNESCO (United Nations Educational, Scientific and Cultural Organization) has endorsed an annual International Day of Light.  Click the image to learn more.