Palindrome Date Today: What’s Special About 22/02/2022? Know Significance Of The Rare Day

Palindrome Date Today: What’s Special About 22/02/2022? Know Significance Of The Rare Day


New Delhi: Did you notice any difference in the date 22 February 2022 when written as 22/02/2022? Yes, the date is special because it has two rare things. Today’s date is both a palindrome and an ambigram.

If you remove the slash and read the number 22/02/2022 it can be read the same way backward and forward making it a palindrome. It is an ambigram as well because it is the same upside down.

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The rare date falls on Tuesday and is special because it won’t appear again in our lifetime. Also, termed as mirror day it is also referred to as ‘Twosday’. The tweet below will give you an idea of how it appears palindrome and an ambigram.

If we drop the slash marks from today’s date, you will notice that it contains only two digits — 0 and 2. The palindrome and ambigram work for the British date format (dd-mm-yyyy) but not for the US date format (mm-dd-yyyy) for the 22nd of February 2022.

According to a leading website on time Timeanddate.com, Aziz S. Inan, an electrical engineering professor at the University of Portland, calculated that in the mm-dd-yyyy format, palindrome days tend to occur only in the first few centuries of each millennium.

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Dr. Inan was quoted by the website saying, “In the mm-dd-yyyy format, the first of 36 Palindrome Days in the current millennium (January 1, 2001 to December 31, 3000) was October 2, 2001 (10-02-2001) and the last such day will be September 22, 2290 (09-22-2290).”

According to Inan, there are 12 palindrome days in the 21st century in the mm-dd-yyyy format with the first one on October 2, 2001 (10-02-2001) while the last one will be on September 2, 2090 (09-02-2090).

If you consider the dd-mm-yyyy format, then there are 29 palindrome days in the current century. The first one was on 10 February 2001 (10-02-2001) while the last one will fall on a leap day. 29 February 2092 (29-02-2092) will be the last palindromic day of the 21st century.





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