A "palindrome week" occurs for 10 days straight, nine years in a row, in the second decade of every century. 

The date "9-10-19" marks the beginning of the last palindrome week for this century. 

A palindrome simply means a word or number sequence that you can read the same back and forth. Some palindrome words include wow, radar, and madam. The names Hannah and Ava are also palindromes. However, a palindrome number sequence only occurs in dates over a nine-year period in the second decade of each century.  

According to Time and Date, dates are typically written in the format "mm-dd-yy," however, a palindrome date's format is written as, m-dd-yy. This format allows the dates to be read the same both ways. 

The dates this week read: 

  • 9-10-19
  • 9-11-19
  • 9-12-19
  • 9-13-19
  • 9-14-19
  • 9-15-19
  • 9-16-19
  • 9-17-19
  • 9-18-19
  • 9-19-19

This century's palindrome phenomenon began back in 2011. Just think about it: Since humans only live an average of 80-90 years, this is likely the last palindrome week we'll ever experience. The next won't occur until November 11, 2111. The phenomenon will repeat periodically through 2119.

Don't worry: if it took you five minutes to understand what a palindrome week is, you are not alone! 

What do you think about this phenomenon? Did you know that it was a palindrome week? Tell us your thoughts in the comments!

 

Caitlin Helveston
Caitlin Helveston is a recent graduate of Old Dominion University (ODU) with a Bachelor's in English: Professional Writing. Her number one goal in life is to help people through her writing. She spends her spare time working out, writing two books, and hanging out with her cats while reading or watching movies.
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