Splunk query for UPtime and Downtime?

Hi Folks, Can anyone please help in forming the query for internal splunk components up and downtime reporting, i found a similar but this gives only uptime, | rest /services/server/info | eval LastStartupTime=strftime(startup_time, "%Y/%m/%d %H:%M:%S") | eval timenow=now() | eval daysup = round((timenow - startup_time) / 86400,0) | eval Uptime = tostring(daysup) + " Days" | table splunk_server LastStartupTime Uptime