I tried to implement what you suggested, but now it just constantly shows a 0. Here is what I added to my FormCalc;var fullTime = 0if (Table1.Row4.Cell2 ne null and Table1.Row5.Cell2 ne null) then if (Time2Num(Table1.Row4.Cell2.formattedValue, "HH:MM") lt Time2Num(Table1.Row5.Cell2.formattedValue, "...