Fibonacci Day 1942

Monday, 23 November 1942

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 1942?
Fibonacci Day 1942 is on Monday, 23 November 1942.
What day of the week is Fibonacci Day 1942?
It falls on Monday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.