Mole Day 1912

Wednesday, 23 October 1912

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.

Frequently asked questions

When is Mole Day 1912?
Mole Day 1912 is on Wednesday, 23 October 1912.
What day of the week is Mole Day 1912?
It falls on Wednesday.
How is Mole Day calculated?
This event is observed every year on 23 October.