reference time in a sentence

Examples

1. Prettymuchamazing chose Ramona Falls'drummer Paul Alcott as best drummer of SXSW 2012 for his " insane, massive fills " and stage antics, referencing times when Alcott would " come out from behind his kit, stand on bass amps and yell along, drum on the walls, play cymbals backwards, and shake around his giant red  fro ."
2. In service level agreements, it is common to mention a percentage value ( per month or per year ) that is calculated by dividing the sum of all downtimes timespans by the total time of a reference time span ( e . g . a month ) . 0 % downtime means that the server was available all the time.