Fibonacci Day 1848

Thursday, 23 November 1848

Fibonacci Day uses the month and day notation 11/23 to echo the opening numbers of the Fibonacci sequence: 1, 1, 2, 3.

Frequently asked questions

When is Fibonacci Day 1848?
Fibonacci Day 1848 is on Thursday, 23 November 1848.
What day of the week is Fibonacci Day 1848?
It falls on Thursday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.