title: Excel formula for calculating difference between two date columns
body: <p>I have to 10k rows with two date columns. Can excel experts please provide an excel formula to calculate time difference(looking for diff in minutes) between below two date columns. </p>
  
  <p>I have tried the formula =A1-B1 but its throwing #VALUE! </p>
  
  <p>column A1 = 05/30/2019 21:16:48 +00:00</p>
  
  <p>column B1 = 05/30/2019 21:10:28 +00:00</p>