Mole Day 1971

Saturday, 23 October 1971

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 1971?
Mole Day 1971 is on Saturday, 23 October 1971.
What day of the week is Mole Day 1971?
It falls on Saturday.
How is Mole Day calculated?
This event is observed every year on 23 October.