Palindromic times

 

 

 

 

 

 

 

 

1. A time such as 3:59:53 is palindromic, that is, it reads the same forward and backward. in a day starting from 0:00:00 to 23:59:59, there are 660 occasions when the time is palindromic. Among them which of the two is closest?

    

    

   Source: Nobuyuki Yoshigahara
   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

09:59:59 and 10:00:01