Fibonacci Day 1487

Wednesday, 23 November 1487

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 1487?
Fibonacci Day 1487 is on Wednesday, 23 November 1487.
What day of the week is Fibonacci Day 1487?
It falls on Wednesday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.