path: root/since.sh

#!/bin/sh

CUR=$(journalctl -qS today | awk 'NR == 1 { print $3 " "; end }')
DIFF=$(($(date +%s) - $(date --date $CUR +%s)))
UPTIME=$(date -u --date @$DIFF "+%H:%M:%S")

echo "<txt>$CUR</txt>"
echo "<tool>$UPTIME</tool>"