They’re also dates, and starting on Saturday, we’ve got a whole string of them – 10 in a row to be exact! Saturday is April 20, 2024, or when you put it in all numbers, 4/20/24, which is a palindrome.

After he discussed palindrome numbers with his students, many of them started playing with elements of their own birthdates. The U of P prof doesn’t limit this sort of thing to numbers.