World Metrology Day 2019

E287420

international observance scientific commemoration

World Metrology Day 2019 marked the global celebration of the historic redefinition of the International System of Units (SI), when several base units were newly defined in terms of fundamental physical constants.

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All labels observed (1)

Label	Occurrences
World Metrology Day 2019 canonical	1

Statements (33)

Predicate	Object
instanceOf	international observance ⓘ scientific commemoration ⓘ
aimsTo	inform stakeholders about the new SI definitions ⓘ raise awareness of the importance of accurate and reliable measurement ⓘ
associatedWith	International Bureau of Weights and Measures ⓘ surface form: BIPM International Organization of Legal Metrology ⓘ surface form: OIML national metrology institutes ⓘ
celebratedIn	many countries worldwide ⓘ
commemorates	redefinition of SI base units in terms of fundamental physical constants ⓘ redefinition of the International System of Units ⓘ
date	2019-05-20 ⓘ
focusesOn	measurement standards ⓘ metrology ⓘ
follows	World Metrology Day 2018 ⓘ
hasOfficialWebsite	https://www.worldmetrologyday.org/2019 ⓘ
hasTheme	International System of Units ⓘ surface form: The International System of Units – Fundamentally better
highlights	definition of the ampere via the elementary charge ⓘ definition of the kelvin via the Boltzmann constant ⓘ definition of the kilogram via the Planck constant ⓘ definition of the mole via the Avogadro constant ⓘ
languageOfOfficialMaterial	English ⓘ French ⓘ
marks	entry into force of the revised SI adopted in 2018 ⓘ global transition to constant-based definitions of SI units ⓘ
organizedBy	International Bureau of Weights and Measures ⓘ International Organization of Legal Metrology ⓘ
partOf	annual World Metrology Day observance ⓘ
precedes	World Metrology Day 2020 ⓘ
relatedTo	International System of Units ⓘ SI base units ⓘ fundamental physical constants ⓘ
subjectOf	conferences and seminars on new SI definitions ⓘ public outreach activities on the SI redefinition ⓘ

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

26th General Conference on Weights and Measures → effectiveDateOfNewDefinitions → World Metrology Day 2019 ⓘ