March 20, however, is an outlier because it can be read with the full year written out (3/20/2023) or shortened (3/20/23). The first palindrome date in the series occurred on March 20 (3/20/23 ...

A palindrome is a word, number, phrase, or other sequence of letters or numbers that reads the same backward as forward. “Racecar,” “civic” and “level” are all examples of this.

The first palindrome date in the series occurred on March 20 (3/20/23), and the last one for a while takes place on March 29 (3/29/23).