James D. Kondo

What Day Is Fibonacci Day 2025. Fibonacci day is a time to consider one of the greatest mathematicians of all time. His seminal work, “liber abaci,” published in 1202, introduced the.

Fibonacci day is an unofficial holiday celebrated on november 23rd, as the date can be written as 11/23 in the month/day date format, which represents the first four numbers. November 23, 2025 fibonacci day is observed by math geeks around the world on november 23.