Today is a very unusual and rare day in our calendar.
The date, which has been dubbed ‘Twosday’, is what is referred to as a palindrome - as our dating format shows it as 22/02/2022.
A palindrome can be a word or a set of numbers that can be read in the same way backwards as it appears forwards.
It is also an ambigram, which means that the date can be read the same upside down.
This occasion is a very rare phenomenon, and there has only been seven palindromes recorded so far this century.
The first of these came on February 10, 2001, as it appeared as 10/02/2001.
Experts say that the last palindrome of the 21st century will fall on February 29, 2092 - which is also a leap day, making it even rarer than today.
The next date that will be both a palindrome and an ambigram won’t come until February 8, 2080, when the date will appear as 08/02/2080.
Today’s occasion is so rare that even Google is taking part in the celebrations.
When you search under the term ‘Twosday’ , confetti and number twos will rain down the tab of the Google search.
Speaking about the day, the University of Oxford tweeted: “Today (22-02-2022) is a palindrome day, which is a number or word that can be read the same forwards and backwards.
“We’re looking forward to the last palindrome day of this century, as it’s on a leap day, 29 February 2092 (29-02-2092). It’ll be a Friday too!”
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