Mole Day 1910

Sunday, 23 October 1910

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 1910?
Mole Day 1910 is on Sunday, 23 October 1910.
What day of the week is Mole Day 1910?
It falls on Sunday.
How is Mole Day calculated?
This event is observed every year on 23 October.