Mole Day

October 23, Wednesday

Mole Day is an unofficial holiday celebrated among chemists, chemistry students and chemistry enthusiasts on October 23, between 6:02 a.m. and 6:02 p.m., making the date 6:02 10/23 in the American style of writing dates. The time and date are derived from the Avogadro number, which is approximately 6.02×1023, defining the number of particles (atoms or molecules) in one mole (mol) of substance, one of the seven base SI units.
Many high schools around the United States, Canada celebrate Mole Day as a way to get their students interested in chemistry, with various activities often related to chemistry or moles.

Mole Day

Mole Day – days left: 305. Create Countdown to Event

Mole Day in other years

2021 October 23, Saturday
2022 October 23, Sunday
2023 October 23, Monday
2025 October 23, Thursday

Mole Day in other countries

United States