Fibonacci Day 2028

Thursday, 23 November 2028

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 2028?
Fibonacci Day 2028 is on Thursday, 23 November 2028.
What day of the week is Fibonacci Day 2028?
It falls on Thursday.
How is Fibonacci Day calculated?
This event is observed every year on 23 November.