What national days are on October 23, 2026?

October 23, 2026 has 1 observance: Mole Day.

What day of the year is October 23?

October 23 is the 296th day of 2026, out of 365 days.

There are 69 days left in 2026 after October 23.

October 23, 2026 falls on a Friday.

October 23 is Mole Day. Here’s the story behind it and how to celebrate.

1observance on this date

296thday of 2026 (out of 365)

69days left in 2026

Oct 23

Mole Day on October 23 celebrates Avogadro's number, a key unit in chemistry. Learn why it's celebrated from 6:02 a.m. to 6:02 p.m.

What national days are on October 23, 2026?: October 23, 2026 has 1 observance: Mole Day.
What day of the year is October 23?: October 23 is the 296th day of 2026, out of 365 days.
How many days are left in the year after October 23?: There are 69 days left in 2026 after October 23.
What day of the week is October 23, 2026?: October 23, 2026 falls on a Friday.