24/7 would usually be four shifts. The most common schedule is for each shift to run 12 hours, working three days one week and four the next, for a total of 84

24/7 would usually be four shifts. The most common schedule is for each shift to run 12 hours, working three days one week and four the next, for a total of 84 hours per two weeks. Three shifts works well for 24/5, each shift running eight hours a day.