Fibonacci Day 2001

Friday, 23 November 2001

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 2001?
Fibonacci Day 2001 is on Friday, 23 November 2001.
What day of the week is Fibonacci Day 2001?
It falls on Friday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.