(1<={-TimeNow.Minute-},{-TimeNow.Minute-}<9,10<={-TimeNow.Minute-},{-TimeNow.Minute-}<19,20<={-TimeNow.Minute-},{-TimeNow.Minute-}<29,30<={-TimeNow.Minute-},{-TimeNow.Minute-}<39,40<={-TimeNow.Minute-},{-TimeNow.Minute-}<49,50<={-TimeNow.Minute-},{-TimeNow.Minute-}<59) решил так... Работает!