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The International Day of Light 16 Mary logo©️ Private

Trust science and see the light on The International Day of Light


On 16 May 2021, the world will celebrate the fourth annual International Day of Light.

As a leading photonics company, G&H are proud to support and celebrate this global UNESCO initiative. The International Day of Light provides a platform 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.

People and companies around the globe will come together to celebrate and appreciate the central role that light science and technologies play in the lives of individuals every day around the world. View all the events taking place.

The science of light has brought endless benefits to our lives from clean energy solutions and water purification through to communications infrastructure and less-invasive healthcare options, to name but a few. This year, the theme for the 2021 International Day of Light is trust science – something that we do every day at G&H. By utilising the power of light and our own precision and passion, we develop market leading photonics solutions which transform all areas of society including aerospace and defense, industrial and telecom and life sciences.

The International Day of Light is a great opportunity for us to celebrate the impact of photonics on scientific discoveries. You can mark the occasion and help us all come together in support of science by signing the pledge to trust science.

As a key enabling technology of the future, we are proud to be changing the world with photonics.

The 2021 Trust Science Campaign petition