We have two SLAs, on called "Time to first response" which is set to 8 hours and the other being "Time to resolution" which is set to 80 hours. Those times being for our most common, medium priority tickets. We also have our business hours set to 9 am - 5 pm EST.
Recently we have had some strange issues with our SLA clocks. One example is this:
We have also had instances where our sla clocks seem to have been continuing to run outside of our business hours. But both of these issues are intermittent.