Mole Day 2722

Monday, 23 October 2722

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 2722?
Mole Day 2722 is on Monday, 23 October 2722.
What day of the week is Mole Day 2722?
It falls on Monday.
How is Mole Day calculated?
This event is observed every year on 23 October.