Rabi Gurung on Instagram: "Add Minute To Time In Excel - Excel Tips and Tricks To add 15 minutes to a time in Excel, you can simply use the formula "=A1 + TIME(0,15,0)" where A1 is the cell containing the original time. If you want Excel to add up minutes, you can use the SUM function, like "=SUM(A1:A5)", where A1 to A5 are the cells containing minutes you want to add. Adding 10 minutes to a date and time in Excel can be done by using the formula "=A1 + TIME(0,10,0)", where A1 holds the original