Mole Day 2645

Thursday, 23 October 2645

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.

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Frequently asked questions

When is Mole Day 2645?
Mole Day 2645 is on Thursday, 23 October 2645.
What day of the week is Mole Day 2645?
It falls on Thursday.
How is Mole Day calculated?
This event is observed every year on 23 October.