October 23rd, from 6:02am to 6:02pm is Mole Day, in honour of the scientific measurement of the Mole (mol).
One mole is 6.02 x10^23 parts of anything. 1mol of Hydrogen is 6.02 x10^23 atoms of Hydrogen. 1mol of Elephants is 6.02 x10^23 elephants.
So, Happy Mole Day!
