At Tue Oct 25 02:57:46 UTC 2022 (about three hours from this post), the elapsed time will be 1,666,666,666 seconds since the #Unix Epoch.
/bin/sh & #bash one-liner:
printf "\033[2J"; while true; do sleep 0.5; printf "\033[2H%s " "Current time:"; date; printf "\n%s " "Seconds since the Unix Epoch:"; sec=$(date +%s); printf "%s\n" "$sec" | sed "s/^\(.\)\(...\)\(...\)\(...\)/\1,\2,\3,\4/"; if [ "$sec" -ge 1666666666 ]; then printf "\n%s\n" 'Happy one triple triple six seconds!'; fi; done