We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.

If you want to calculate how much time is left until a certain expiry date, you can use the DATEDIF function. This function returns the difference between two dates in terms of days, months, or years.

How to Calculate the Midpoint of Two Dates in Excel. When you enter a number into an Excel cell that looks like a date, such as "Jun-1" or "6/1," Excel automatically adjusts the format of the cell ...

To calculate someone's age in Excel, enter the formula =DATEDIF (A2,TODAY ()," y"), where cell A2 contains the date they were born and "Today" is today's date. Press Enter, and Excel will output ...

Open a new Microsoft Excel 2010 spreadsheet. Click on cell A1 and enter the earliest date and time from where you want to count. Enter the date first, then press "Space" and enter the time using a ...