91 | Las Vegas adding snipers for New Year's Eve celebration

http://www.cnn.com/2017/12/28/us/las-vegas-security-new-years-events/index.html

It's another example of creating the problem and providing the solution (more police).

Notice this will come 91-days after the shooting at the Route 91 Harvest Festival, which took place on the day leaving 91-days left in the year.

*You could also say it is a span of 93-days to New Year's Day, January 1, 2018.