World Metrology Day 2100

Thursday, 20 May 2100

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 2100?
World Metrology Day 2100 is on Thursday, 20 May 2100.
What day of the week is World Metrology Day 2100?
It falls on Thursday.
How is World Metrology Day calculated?
This event is observed every year on 20 May.