Sunday, 20 May 2018
World Metrology Day marks the Metre Convention and the role of accurate measurement in society.
Frequently asked questions
- When is World Metrology Day 2018?
- World Metrology Day 2018 is on Sunday, 20 May 2018.
- What day of the week is World Metrology Day 2018?
- It falls on Sunday.
- How is World Metrology Day calculated?
- This event is observed every year on 20 May.