Fibonacci Day 1448

Thursday, 23 November 1448

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 1448?
Fibonacci Day 1448 is on Thursday, 23 November 1448.
What day of the week is Fibonacci Day 1448?
It falls on Thursday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.