Mole Day 2065

Friday, 23 October 2065

Mole Day is a celebration of chemistry observed on 23 October, honouring Avogadro's number (6.02×10²³) and encouraging interest in science through educational activities and events.

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Frequently asked questions

When is Mole Day 2065?
Mole Day 2065 is on Friday, 23 October 2065.
What day of the week is Mole Day 2065?
It falls on Friday.
How is Mole Day calculated?
This event is observed every year on 23 October.