May 16 - International Day of Light

16 May, 2018

UNESCO Proclaims May 16 as the International Day of Light
CIE is pleased to be part of the inaugural IDL Steering Committee

Follow www.lightday.org for updates and activities of the IDL

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CIE President Dr. Jennifer Veitch Inducted as Fellow of the Royal Society of Canada

The International Commission on Illumination (CIE) is proud to announce that its President, Dr.

The 31st Quadrennial Session of the CIE, Nanjing, China

Hosting organizations:

CIE NC China: 13th International Forum of Automative Lighting (IFAL2025)

CIE Australia Lighting Research Conference 2025

CIE Australia is pleased to announce the 2025 edition of the CIE Australia Lighting Research Conference…

CIE Visits Silver Supportive Member LMT in Berlin

On the 4th of December, Dr. Peter Blattner, CIE Past President, and Dr.

CIE 253:2024 Overview of Methods for Evaluating Colour Rendition of White-Light Sources beyond Colour Fidelity

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Technical Report CIE 253:2024 includes an overview of seven methods to characterize specific colour rendition characteristics of white-light sources beyond… more

CIE 2024 Position Statement on Integrative Lighting - Recommending Proper Light at the Proper Time, 3rd Edition

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Knowledge about the effects of light on human health, behaviour, and well-being is advancing rapidly, as is interest in applying this knowledge in lighting technologies and practice.

This… more

CIE 252:2024 Assessment of Discomfort Glare from Daylight in Buildings

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Glare models developed for electric lighting conditions are not applicable to daylight situations. This report summarizes the daylight glare prediction models which were confirmed by independent studies… more

CIE 254:2024 A roadmap toward basing CIE colorimetry on cone fundamentals

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This Technical Report presents a roadmap for the CIE, to help guide its development of a new, complete, self-consistent system of CIE colorimetric measures, based directly on cone fundamentals, with… more