Mole Day 2665

Monday, 23 October 2665

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 2665?
Mole Day 2665 is on Monday, 23 October 2665.
What day of the week is Mole Day 2665?
It falls on Monday.
How is Mole Day calculated?
This event is observed every year on 23 October.