>I believe the markers change from year to year.
Maybe this is the purpose of the clock?
Perhaps a simple Caesar cipher to shift the marker references? https://en.wikipedia.org/wiki/Caesar_cipher
Very interesting quote from the article:
“There was no way to take away that pain.
You can’t eat that pain.
There’s no way to give them any solace, because leadership was not going to acknowledge number one, publicly, that it happened.”