title: Date cleaning in excel,date values align to the left
body: <p>I have excel file a date column, some of date are align to the right while others to the left.when i read the into r am getting this error.</p>
  
  <blockquote>
    <p>Expecting date in A3547 / R3547C1: got '13/04/2018'</p>
  </blockquote>
  
  <p>on dates align to the left. I have tried to clean the date in excel with no success,</p>