I'd like a query executed that shows the duration of the outage

[Sandeep007]

can anyone help me to write a Splunk query for when I have an outage I'd like a query executed that shows the duration of the outage.

[Roy_9]

Are you looking for splunk outage?

[Sandeep007]

NO .. If I check 5XX or 4XX errors, It will show some logs in  hour 5 or 10 mins period ex: I checked 500 errors 10pm to 11pm...  in that one hour, errors started from 10:15pm to 10:45pm , I want only period {10:15pm to 10:45pm } no need logs  .. for that How I need to write quarry