Mole Day 1977

Sunday, 23 October 1977

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 1977?
Mole Day 1977 is on Sunday, 23 October 1977.
What day of the week is Mole Day 1977?
It falls on Sunday.
How is Mole Day calculated?
This event is observed every year on 23 October.