World Metrology Day 2131

Sunday, 20 May 2131

World Metrology Day marks the Metre Convention and the role of accurate measurement in society.

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Frequently asked questions

When is World Metrology Day 2131?
World Metrology Day 2131 is on Sunday, 20 May 2131.
What day of the week is World Metrology Day 2131?
It falls on Sunday.
How is World Metrology Day calculated?
This event is observed every year on 20 May.