How is Fibonacci Day calculated?

This event is observed every year on 23 November.

When is Fibonacci Day 2027?

Name: Fibonacci Day
Start: 2027-11-23
End: 2027-11-23
Location: Worldwide

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

Download an iCalendar file for Fibonacci Day and add it to your calendar app.

When is Fibonacci Day 2027?: Fibonacci Day 2027 is on Tuesday, 23 November 2027.
What day of the week is Fibonacci Day 2027?: It falls on Tuesday.
How is Fibonacci Day calculated?: This event is observed every year on 23 November.