Fibonacci Day 2035

Friday, 23 November 2035

Fibonacci Day uses the month and day notation 11/23 to echo the opening numbers of the Fibonacci sequence: 1, 1, 2, 3.

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Frequently asked questions

When is Fibonacci Day 2035?
Fibonacci Day 2035 is on Friday, 23 November 2035.
What day of the week is Fibonacci Day 2035?
It falls on Friday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.