Fibonacci Day 1735

Wednesday, 23 November 1735

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 1735?
Fibonacci Day 1735 is on Wednesday, 23 November 1735.
What day of the week is Fibonacci Day 1735?
It falls on Wednesday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.