Each year IUPAC endorses a large number of independently organized conferences, symposiums and workshops that cover a wide range of specialized topics in chemistry. Endorsement by IUPAC attests to the quality of the scientific program and indicates the host country’s assurance that scientists from all countries may participate. See program details.

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20 May 2025 @ 12:00 am

World Metrology Day

In 2024, May 20 was recognized by UNESCO as a official UNESCO International Day. This designation opens new avenues to promote metrology, aligning with UNESCO’s mission to construct a better world through science and education.

Following the launch event held at the UNESCO Headquarters in Paris on 14 May 2024 to celebrate 20 May becoming a UNESCO International Day, a web page has been published by UNESCO with a video explaining the importance of metrology, and also a special message from Audrey Azoulay, the UNESCO Director-General.

Metrology provides the foundation for data-driven decision-making and policy development in sustainability. By ensuring accurate measurements across various aspects of sustainability, it helps organizations, governments and individuals make informed choices that contribute to a more sustainable future.

The focus for World Metrology Day in 2024 was on the numerous measurement opportunities that contribute to the establishment of a sustainable global economy and environment.

WATCH THIS SPACE for the announcement of the theme for the 2025 celebration!

Date & Time

20 May 2025

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12:00 am

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