Today is a unique mirror date: 1702/2017
Today's date, 17-02-2017, is a palindrome date when written in dd-mm-yyyy format. It means that day's date can be read the same way backwards and forwards.
Palindrome dates vary from country to country as dates are written in different formats in different parts of the world. For example, July 10, 2017 or 7-10-2017 is a palindromic date in the m-dd-yyyy format, but is not if the date is written in mm-dd-yyyy.
What is significant is that such dates are a rarity and tend to occur only in the first few centuries of a millennium.
According to a finding, there are 21 Palindrome dates in the current century as per the dd-mm-yyyy format, whereas in mm-dd-yyyy format there are 12 such days.