User blog comment:Pmhpc/Planta vs. zombies Wiki To-do list/@comment-26239911-20160621200702/@comment-26520884-20160622133855

I don't know much about JavaScript, but I'm gonna say that the problem is the DisplayTimer. When log off the Clock on the utility bar doesn't show up so the live clock does instead. So you can only have one active clock at a time.