limit=$(( now - 60 * min_limit ))
age_sec=$(( now - last_sec ))
e $((age_sec / 60)):$(( age_sec % 60 )) ago. to:$to from:$from $latest
limit=$(( now - 60 * min_limit ))
age_sec=$(( now - last_sec ))
e $((age_sec / 60)):$(( age_sec % 60 )) ago. to:$to from:$from $latest