Mole Day 1975

Thursday, 23 October 1975

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 1975?
Mole Day 1975 is on Thursday, 23 October 1975.
What day of the week is Mole Day 1975?
It falls on Thursday.
How is Mole Day calculated?
This event is observed every year on 23 October.