Tuesday, 20 May 2645
World Metrology Day marks the Metre Convention and the role of accurate measurement in society.
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Add to calendarFrequently asked questions
- When is World Metrology Day 2645?
- World Metrology Day 2645 is on Tuesday, 20 May 2645.
- What day of the week is World Metrology Day 2645?
- It falls on Tuesday.
- How is World Metrology Day calculated?
- This event is observed every year on 20 May.