Mole Day 2820

Friday, 23 October 2820

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 2820?
Mole Day 2820 is on Friday, 23 October 2820.
What day of the week is Mole Day 2820?
It falls on Friday.
How is Mole Day calculated?
This event is observed every year on 23 October.